Datasheet S5A1901H02-Q0R0 Datasheet (Samsung)

Page 1

AUDIO EFFECT PROCESSOR S5A1901H02

PRODUCT OVERVIEW

OVERVIEW

The S5A1901H02, Audio Effect Processor, reproduces vivid sound of certain places and dynamic sound of movies. The S5A1901H02 has over 15 sound effect modes including two kinds of Karaoke mode. In addition to the sound modes, the S5A1901H02 provides mic-echo, vocal canceller, loudness function, graphic equalizer, spectrum analyzer interface, tone control and volume/balance control so that it can satisfy various sound requirements of audio systems including TV, stereo audio systems, etc. Furthermore, the S5A1901H02 has built-in 16 bit stereo Σ−∆ ADC and DAC for easy application. The S5A1901H02 also includes two digital source interface blocks and a

host interface block supporting normal microcontroller and I2C bus interfaces.

KEY FEATURES

• Over 15 Sound Effect Modes including two kinds of Karaoke mode

100−QFP−1420C

• 3/5/7-band Graphic Equalizer and 5/7-band Spectrum Analyzer Interface

• Mic-Echo, Loudness Function and Vocal Canceller

• Digital Volume/Balance/Tone Control

• Fader Function for Car Stereo System

• Programmable Sound Mode

• 33 MIPS 16 bit fixed point DSP Core (SSP1610)

• Built-in Stereo 16 bit Σ−∆ ADC and DAC

• External Clock: 16.9344MHz

• Sampling Frequency: 44.1kHz

• Support Various Digital Audio Interface Formats

• Normal Microcontroller Interface and I2C Bus Interface

• 0.5 Kword Internal Data RAM and 6 Kword Delay Memory for Sound Effect

• 6 Kword Internal Program ROM and 0.5 Kword Parameter ROM for Movie Mode

• 5 V Single Power Supply

• 0.5µm Triple Metal CMOS Process

• Package: 100 QFP

ORDERING INFORMATION

Device Package Temperature Range

S5A1901H02-Q0R0 (Audio Effect Processor) 100−QFP−1420C 0°C − 70°C

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S5A1901H02 AUDIO EFFECT PROCESSOR

APPLICATIONS

• CD Player

• Video CD

• TV

• Karaoke System

• Car Stereo System

• General Stereo Audio Systems

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AUDIO EFFECT PROCESSOR S5A1901H02

TYPICAL APPLICATION

Spectrum Analyzer

Digital Source

-COM AEP

for Recording

Analog Source

Digital Source

Vol Bal Tone

Spectrum Analyzer

-COM AEP

Vol Bal Tone

Sound Effect & Karaoke Mode

( ProLogic )

with ProLogic

Figure 1. S5A1901H02 Typical Application

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S5A1901H02 AUDIO EFFECT PROCESSOR

BLOCK DIAGRAM

RESB

SPWDN

TINT1

CONTROL & TEST

LOGIC

Program

ROM

Data RAM

DSP

Data RAM

CIU

CRU

DSIU1

DSIU2

16 Bit Stereo Σ -

CODEC

DLRCKO2,DBCKO2, DSDO2 DLRCKI2,DBCKI2, DSDI2

ALI,ARI

∆

CMCLKS

ALO,ARO VREF,VREFI

DLRCKI1,DBCKI1, DSDI1 DLRCKO1,DBCKO1

DSDO1

CLK1

CLKS

CLK2

(33.8688MHz)

(16.9344MHz)

CGU

MCLK

CLK3

(11.2896MHz)

CLKO

MIU

SEIU

SAIU

HIU

I2C

* CRU : Configuration Register Unit * CIU : Built-in CODEC Interface Unit * DSIU1 : Digital Source Interface Unit 1 * DSIU2 : Digital Source Interface Unit 2 * MIU : Memory Interface Unit * SEIU : Stereo Enhancement Interface Unit * HIU : Host Interface Unit * SAIU : Spetrum Analyzer Interface Unit * I2C : I2C Interface Unit * CGU : Clock Generation Unit

Delay RAM

3-D

Parameter ROM

HDATA

HWEB,HCLK HMS,SAS

SDA SCL

HACK

Figure 2. S5A1901H02 Block Diagram

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AUDIO EFFECT PROCESSOR S5A1901H02

DLRCKO2

PIN ASSIGNMENT

VCC2

ALI

ARI

VREF

VREFI

VSS1

VCC1

ALO

ARO

VSS2 VDD13 GND13

VDD0

GND0

NC NC NC NC

VDD1

GND1

NC NC NC NC

VDD2

GND2

NC NC NC NC NC NC NC NC

VDD3

GND3

SAS

RESBNCNCNCNCNCNC

100

1 2 3 4 5 6 7 8

9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

959493

(Audio Effect Processor)

S5A1901H02

VDD12

GND12NCNCNCNC

VDD11

GND11

GND10

VDD10

MCLK

CLKS

GND9

VDD9

CLKO

SPWDN

TINT1

HACK

GND8

VDD8

DLRCKI1

DBCKI1

DSDI1

GND7

VDD7

DLRCKO1

HMS

HCLK

HWEB

VDD4

HDATA

363738

GND4

SCL

SDA

VDD5

GND5

DSDI2

DBCKI2

DLRCKI2

Figure 3. S5A1901H02 Pin Assignmen

VDD6

GND6

DSDO2

DBKCO2

DSDO1

DBCKO1

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S5A1901H02 AUDIO EFFECT PROCESSOR

S5A1901H02 PIN DESCRIPTION

No Pin Name I/O Function Pad Type Pull Up/Down

1 ALO AO D/A analog output: left channel, 1Vrms

− −

magnitude centered around VREF

2 ARO AO D/A analog output: right channel, 1 Vrms

− −

magnitude centered around VREF 3 VSS2 AG Codec analog ground − − 4 VDD13 DP Codec digital power +5 V − − 5 GND13 DG Codec digital ground − − 6 VDD0 DP Codec digital power +5 V − − 7 GND0 DG Codec digital ground − −

8~11 NC − Reserved for chip test − −

12 VDD1 DP Digital power +5 V − − 13 GND1 DG Digital ground − −

14~17 NC − Reserved for chip test − −

18 VDD2 DP Digital power +5 V − − 19 GND2 DG Digital ground − −

20~27 NC − Reserved for chip test − −

28 VDD3 DP Digital power +5 V − − 29 GND3 DG Digital ground − − 30 SAS DI

31 HMS DI

I2C bus interface slave address selection

Host interface mode selection (0: normal, 1: I2C)

32 HCLK DI Normal host interface bit clock (max 400kHz) 33 HWEB DI Normal host interface write enable

− Down

Schmitt trigger Schmitt trigger

Up Up

(HWEB = 0: write, HWEB = 1: read)

34 HDATA I/O Normal host interface data In/Out

Schmitt trigger

Down

(HWEB = 0: in, HWEB = 1: out)

35 VDD4 DP Digital power +5 V − − 36 GND4 DG Digital ground − − 37 SCL DI

38 SDA I/O

I2C bus interface serial bit clock

I2C bus interface serial data in/out

Open drain − Open drain −

39 VDD5 DP Digital power +5 V − − 40 GND5 DG Digital ground − −

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AUDIO EFFECT PROCESSOR S5A1901H02

S5A1901H02 PIN DESCRIPTION (Continued)

No Pin Name I/O Function Pad Type Pull Up/Down

41 DSDI2 DI Digital serial data input 2 (DSDI2) 42 DBCKI2 DI DSDI2 bit clock 43 DLRCKI2 DI DSDI2 left/right flag clock

Schmitt trigger Schmitt trigger Schmitt trigger

44 VDD6 DP Digital power +5 V − − 45 GND6 DG Digital ground − − 46 DSDO2 DO Digital serial data output 2 (DSDO2) − − 47 DBCKO2 DO DSDO2 bit clock − − 48 DLRCKO2 DO DSDO2 left/right flag clock − − 49 DSDO1 DO Digital serial data output 1 (DSDO1) − − 50 DBCKO1 I/O DSDO1 bit clock 51 DLRCKO1 I/O DSDO1 left/right flag clock

Schmitt trigger Schmitt trigger

Down

Down 52 VDD7 DP Digital power +5 V − − 53 GND7 DG Digital ground − − 54 DSDI1 DI Digital serial data input 1 (DSDI1) 55 DBCKI1 DI DSDI1 bit clock 56 DLRCKI1 DI DSDI1 left/right flag clock

Schmitt trigger Schmitt trigger Schmitt trigger

57 VDD8 DP Digital power +5 V − −

−

58 GND8 DG Digital ground − − 59 HACK DO Normal host interface acknowledge − − 60 TINT1 DO Interrupt indicator − − 61 NC - Reserved for chip test − − 62 SPWDN DO System power down indicator − − 63 NC - Reserved for chip test − − 64 CLKO DO Clock output 33.8688 / 3 = 11.2896MHz − − 65 VDD9 DP Digital power +5 V − − 66 GND9 DG Digital ground − − 67 XO DO Crystal oscillator output terminal (16.9344MHz) − − 68 XI DI Crystal oscillator input terminal (16.9344MHz) − − 69 CLKS DI System clock source selection (0: doubler, 1:

− Down

external)

70 MCLK I/O External clock input/doubler clock output

− Down

according to CLKS

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S5A1901H02 AUDIO EFFECT PROCESSOR

S5A1901H02 PIN DESCRIPTION (Continued)

No Pin Name I/O Function Pad Type Pull Up/Down

71 VDD10 DP Digital power +5 V − − 72 GND10 DG Digital ground − −

73−76 NC − Reserved for chip test − −

77 GND11 DG Digital ground − − 78 VDD11 DP Digital power +5 V − −

79−84 NC − Reserved for chip test − −

85 GND12 DG Digital ground − − 86 VDD12 DP Digital power +5 V − −

87−92 NC − Reserved for chip test − −

93 RESB DI System reset (active low) − Υπ 94 VCC1 AP Codec analog power +5 V − − 95 VSS1 AG Codec analog ground − − 96 VREFI AO Codec 2.5V reference to VSS1 − − 97 VREF AO Codec 2.25V reference to VSS1 − − 98 ARI AI A/D right channel input magnitude centered

− −

around VREF should be less than or equal to 1 Vrms

99 ALI AI A/D left channel input magnitude centered

− −

around VREF should be less than or equal to 1 Vrms

100 VCC2 AP Codec analog power +5V − −

NOTES:

• DI Digital Input

• DO Digital Output

• I/O Digital Input and Output

• AI Analog Input

• AO Analog Output

• DP Digital Power

• DG Digital Ground

• AP Analog Power

• AG Analog Ground

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AUDIO EFFECT PROCESSOR S5A1901H02

HARDWARE DESCRIPTION

DSP Core

• Up to 33 MIPS 16 bit fixed point High Performance DSP core (SSP1610)

• 16 x 16 multiplier with 32 bit product

• 32 bit ALU/accumulator

• 0.5 µm triple metal CMOS technology

Memory

• 0.5 Kword data RAM

• 6 Kword delay RAM for sound field effect

• 6 Kword program ROM

• 0.5 Kword parameter ROM for Movie Mode

Built-in A/D and D/A converters

• Stereo 16 bit Σ−∆ A/D converter

• Stereo 16 bit Σ−∆ D/A converter

Peripheral Interface

• Hardware configuration (extended to five registers using bit manipulation)

• Codec and DSIU2 interface

• DSIU1 interface

• Delay memory interface

• Parameter ROM used in Movie Mode interface

• Host interface

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S5A1901H02 AUDIO EFFECT PROCESSOR

Extended Hardware Configuration Registers

DSIU1ICR Input format control of digital source interface unit 1

DSIU1OCR Output format control of digital source interface unit 1

DSIU2ICR Input format control of digital source interface unit 2

DSIU2OCR Output format control of digital source interface unit 2/ Codec format control

CHIPCR Chip Control: DSDO1 clock source selection, Input Source Configuration Selection

General Description of Digital Audio Interface of the S5A1901H02

The digital audio interface of the S5A1901H02 consists of 3 blocks mainly: CIU, DSIU1 and DSIU2. The CIU block is the interface block for the built-in codec. The DSIU1 and DSIU2 blocks are for external ADC and DAC interfaces. The DSIU2 and CIU are mutually exclusive in a sense that only one of two is working. The interface blocks can work either slave or master mode (for DSIU1 output, both modes) depending on wether the S5A1901H02 supplies the bit clocks and LR clocks (master), or DAC (ADC) provides the clocks (slave). For example, the DSIU1 takes the digital audio outputsin master/32 Fs mode, which means that the S5A1901H02 (or DSIU1) provides the bit and the LR clocks to the DAC and the audio data format 32 Fs (32 bit clocks in a LR clock period).

When an external ADC or (and) DAC is used, it is strongly recommended to use the clock, CLKO (pin #64), provided by S5A1901H02 as the master clock for clock synchronization.

DSIU2 CIU DSIU1

slave

(support

all format*)

ADC DAC

(32Fs, 16bit)

master

(32Fs)

16 bit 16 bit

ADC DAC

master

CODEC

master

(32Fs)

S5A1901H02

slave

(support all formats*)

master & slave

(support all formats*)

ADC DAC

Figure 4. Digital Audio Interface Formats of the S5A1901H02

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AUDIO EFFECT PROCESSOR S5A1901H02

Codec Interface

The S5A1901H02 has on chip 16 bit stereo ADC and DAC with digital filters and serial interfaces to provide CD quality sound for audio application. The digital A/D decimation filter takes in the encoded signals from Σ−∆ A/D modulator, and outputs 16 bit stereo digital audio data through the serial interface. The D/A interpolation filter takes 16 bit stereo audio data from the serial interface, and outputs one bit signal to the Σ−∆ D/A. The oversampling rate of the digital filter is 128xFs, where Fs can be varied from 4kHz to 48kHz and can be changed on the fly. The serial

data interface is running at 32xFs and supports both right justified format and I2S data format. To set input and output formats of codec, see Table and Table .

Digital Source Interface Unit 1 (DSIU1)

The DSIU1 has a digital serial data input source (DSDI1) and a digital serial data output source (DSDO1). It supports 16/18/20/24 bit data length, and supports right justified, left justified or I2S format in data position. The format

of DSIU1 is controlled by a microcontroller through Host Interface Unit (HIU) and Configuration Register Unit (CRU) as in Table 19 and Table . In formats of DSDI1 and DSDO1, only 16 bit data length is supported when the data rate is 32xFs. The DSDO1 can operate either in slave or master mode while DSDI1 operates only in slave mode by Configuration Register Unit (CRU) setting. Note that the MSB is transferred first.

DLRCKI1/DLRCKO1

DBCKI1/DBCKO1

RJ/16 bit/64 fs RJ/18 bit/64 fs

RJ/20 bit/64 fs

RJ/24 bit/64 fs

LJ/16 bit/64 fs LJ/18 bit/64 fs

LJ/20 bit/64 fs

LJ/24 bit/64 fs

IIS/16 bit/64 fs IIS/20 bit/64 fs IIS/18 bit/64 fs IIS/24 bit/64 fs

L-ch R-ch

L-ch = Low, Data is synchronized with the falling edge of DBCKI1/DBCKO1

Figure 5. Data Format in DSIU1

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S5A1901H02 AUDIO EFFECT PROCESSOR

Digital Source Interface Unit 2 (DSIU2)

The DSIU2 has a digital serial data input source (DSDI2) and a digital serial data output source (DSDO2). The DSDI2 operates in slave mode, while the DSDO2 operates in master mode. The format of DSDI2 is same as that of DSDI1. The format of DSDO2 is same as that of built-in codec. The format of DSDO2 supports 16 bit and 32xFs right-justified or IIS format. The format of DSIU2 is controlled by a microcontroller through Host Interface Unit (HIU) and Configuration Register Unit (CRU) as in Table and Table . Note that the MSB is transferred first.

DLRCKI2

DBCKI2 RJ/16 bit/64 fs RJ/18 bit/64 fs

RJ/20 bit/64 fs

RJ/24 bit/64 fs

LJ/16 bit/64 fs LJ/18 bit/64 fs

LJ/20 bit/64 fs

LJ/24 bit/64 fs

IIS/16 bit/64 fs IIS/20 bit/64 fs IIS/18 bit/64 fs IIS/24 bit/64 fs

DLRCKO2

DBCKO2

RJ/16 bit/32 fs

IIS/16 bit/32 fs

L-ch R-ch

MSB LSBMSB LSB

MSB MSBLSB LSB

Figure 6. Data Format in DSIU2

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AUDIO EFFECT PROCESSOR S5A1901H02

Host Interface Unit (HIU)

The S5A1901H02 receives commands and parameters in serial format from microcontroller through built-in HIU. The data must be in byte unit (8 bit). The host commands are composed of the following three types.

• Command Only

• Command followed by Parameter

• Command followed by Parameter #1 (high byte) followed by Parameter #2 (low byte) The details on commands used in the S5A1901H02 can be found in Chapter 4.

The HIU supports either normal microcontroller interface or I2C bus interface. In normal host interface, the related pins are HCLK (Normal Host Interface Bit Clock), HWEB (Normal Host Interface Write Enable) and HDATA (Nor-

mal Host Interface Data In/Out). In I2C bus interface, the related pins are SDA (Serial Data Line), SCL (Serial Clock Line) and SAS (I2C Bus Interface Programmable Slave Address Selection). One can refer to I2C Bus Specification by Philips. The I2C bus interface in the S5A1901H02 operates in Slave-Transmitter mode. The other function of

HIU is the spectrum request function. The spectrum value is sent to microcontroller. The maximum bit clock (HCLK or SCL) is 400kHz. Note that since the chip is being initialized for at least 1ms after reset, commands should be transferred to the chip after 1ms.

2-Byte Operation1-Byte Operation

HWEB

HCLK

HDATA

Write Operation(Command) Write Operation(Command)

Processing Operation

MSB

From Micom

MSB

From Micom

Figure 7. Data Format in Normal Host Interface

Write Operation(Data)

Processing Operation

MSB

From Micom

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S5A1901H02 AUDIO EFFECT PROCESSOR

Other Write OperationSpectrum Request Operation

Write Operation Read Operation

HWEB

HCLK

HDATA

MSB

From Micom

MSB

From Chip

MSB

From Micom

Figure 8. Data Format in Normal Host Interface-Spectrum Request

I2C Bus Interface

The S5A1901H02 can be controlled by a microcontroller via the 2-line I2C bus, SDA (Serial Data Line) and SCL (Serial Clock Line). Both lines must be connected to a positive supply via pull-up resistor. Data transfer may be initiated only when the bus is not busy. When the bus is free, both lines are high. The data on the SDA line must be stable during the high period of clock, SCL. When the SCL is low, the SDA can change. Every byte transferred through the SDA line must contain 8 bits including programmable slave address and read/write direction control bit. Each byte must be followed by acknowledge bit which is sent back to the microcontroller by the S5A1901H02 by pulling down the SDA line. The MSB is transferred first. The setup and hold time on the SCL and SDA lines can be

found in I2C Specification by Philips.

• I2C bus interface start and stop condition

The start condition is high to low transition of the SDA line while the SCL is high. The stop condition is low to high transition of the SDA line while SCL is high.

SDA

SCL

Change

of Data

Allowed

Stop

Condition

SDA

SCL

Data Valid

Start

Condition

Figure 9. Data Validity and Start/Stop Condition in I2C Bus

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AUDIO EFFECT PROCESSOR S5A1901H02

• I2C Bus Interface Acknowledge

The acknowledge related clock pulse is generated by a microcontroller. The transmitter releases the SDA line (high) during the acknowledge clock pulse. The receiver must pull down the SDA line during the acknowledge clock pulse so that it remains stable low during the high period of this clock pulse. The slave-transmitter generates negative acknowledge when read operation processes. The negative acknowledge is generated by a master (microcontroller).

• I2C Bus Interface Slave Address Selection

Pin Name Status

Low 80 81

SAS

High 82 83

• I2C Bus Interface Specification

Chip Address Function Address DATA

MSB MSB MSB

S 1 0 0 0 0 0 A0 W A

SCL

SDA

1 0 0 0 0 0 0

Figure 10. I2C Bus Interface Format-Write Operation (SAS = 0)

LSB

Selected Slave Address (Hex)

Write Address Read Address

LSB

Chip Address Function Address DATA

MSB MSB MSB

S 1 0 0 0 0 0 A0 R A

SCL

SDA

1 0 0 0 0 0 0

(S: Start Condition P: Stop Condition R: Read Operation W: Write Operation A:Acknowledge N/A: Negative Acknowledge)

LSB

Figure 11. I2C Bus Interface Format-Read Operation (SAS = 0)

LSB

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S5A1901H02 AUDIO EFFECT PROCESSOR

System Clock

In the S5A1901H02, there are two ways to supply the system clock,

• Using Clock Doubler The CLKS should be set to LOW and X-tal oscillator of 16.9344MHz is connected to XI and XO pins. Then, the

clock doubler doubles 16.9344MHz to 33.8688MHz and outputs to MCLK.

• Using External Clock Source

The CLKS should be set to HIGH. In this case, the MCLK pin is the input which is the system clock of 33.8688MHz.

Reset

The S5A1901H02 provides hardware reset and software reset. In hardware reset using RESB pin, the reset signal has to be kept for L/R one cycle pulse width (approx. 22.67µs) for stable initialization of built-in codec. In the software reset (command code: 0x00) through HIU, system initialization is internally processed.

Power Down

The system power down mode set by host command through HIU disables all hardware macro blocks in the S5A1901H02, i.e., DSP, delay RAM, data RAM, program ROM, glue logic and codec. Every host command can wake-up the system power down mode.

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AUDIO EFFECT PROCESSOR S5A1901H02

FUNCTIONAL DESCRIPTION

Bypass Mode

In bypass mode, the input is bypassed to the output with the control of volume, balance and tone.

Stereo Emulation Mode I, II

These modes emulate mono input signal to stereo signal. The block diagram realizing these modes is shown in Figure . The Stereo Emulation Mode I and II are different in the strength of effect. The Stereo Emulation Mode II produces more stereo effect than Stereo Emulation Mode I.

Lin = Rin Lout

Delay

Figure 12. Block Diagram for Stereo Emulation Modes

Super Woofer Mode I, II, III

Super Woofer modes highly emphasize very low frequency component of input signal, and then, add echo effect. The block diagram realizing these modes is shown in Figure . The Super Woofer Mode I, II and III are different in the strength of the effect. The effect becomes stronger from Super Woofer I to Super Woofer III.

Lin Lout

Prefilter

+ Postfilter

Filter

Rout

Delay

Buffer

Prefilter

Figure 13. Block Diagram for Super Woofer Modes

+Rin

Rout

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S5A1901H02 AUDIO EFFECT PROCESSOR

Hall Mode I, II and Stage Mode

Hall modes and stage mode produce effects that one feels as if he or she is in a hall or a stage respectively. The block diagram realizing these modes is shown in Figure . The Hall Mode I and II are different in the hall size which one can feel. The Hall Mode II produces the effect of a larger hall than that of Hall Mode I.

Lin Lout

+ Filter

Delay

Buffer

Rin

Figure 14. Block Diagram for Hall and Stage Modes

Arena Mode I, II

Arena modes produce effects that one feels as if he or she is in an arena. The block diagram realizing these modes is shown in Figure . The Arena Mode I and II are different in the arena size which one can feel. The Arena Mode I produces the effect of wider arena than that of Arena Mode II.

Lin Lout

+ Filter Delay +

Delay

Rout

Rin

Figure 15. Block Diagram for Arena Mode I, II

Rout

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AUDIO EFFECT PROCESSOR S5A1901H02

News/Drama Mode

This mode enhances high frequency component of signal to improve the speech recognizability for news or drama program.

Karaoke Mode I, II

The Karaoke modes receive inputs from both a microphone and an audio source. In Karaoke Mode I, the microphone input is echoed by the echo filter 1 and the audio source input is effected with the stage mode. When the vocal canceller is selected, the audio source whose vocal component is cancelled is bypassed without stage effect. In Karaoke Mode II, the microphone input is echoed by the echo filter 2 and the audio source input is bypassed.

Voice

Music

Voice

Music

Mic Echo I

Stage Effect

Vocal

Canceller

Karaoke Mode I

Mic Echo II

Vocal

Canceller

Karaoke Mode II

Equalizer

Figure 16. Karaoke Mode I, II

In Mic echo filter 1, the delay gains remain large and they are shortly decayed as time goes by. Thus, one can feel plenty of echo while there is little aliasing between echos and original sound. The Mic echo filter 2 has a similar structure to that of Hall mode. The effect is not stronger than that of Mic echo filter 1, but it produces a widely spread echo which is very impressive.

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S5A1901H02 AUDIO EFFECT PROCESSOR

User Defined Mode

The User Defined Mode enables one to design a new sound effect mode by setting the parameters of existing filter structure. The block diagram of this filter structure is shown in Figure . One can set these parameters by sending host commands corresponding to each parameters. The commands used for this mode are listed in Chapter 4. The command codes from 0x49 to 0x71 are assigned to User Defined Mode. The usage of individual parameter in Figure is as follows:

• The gain parameters, G0 and G1, are used to control left and right input gains respectively.

• The parameters, BL0, BL1 and AL1, are coefficients of the IIR filter used for left prefilter. The parameters, BR0, BR1 and AR1, are coefficients of the IIR filter used for right prefilter. The parameters, BD0, BD1 and AD1 are coefficients of the IIR filter used for postfilter. The structures of all three filters are realized by the first order IIR. The zero of the transfer function of each filter is − BX1 / BX0 and the pole is − AX1, where X is L or R or D.

• The parameters, G2, G3 and G4, are left term gain, right term gain and feed-back term gain respectively.

• The parameters, G5 to G11, are gains of delayed signals in the left channel. The parameters, G14 to G20, are gains of delayed signals in the right channel. The parameters, G12 and G21, are gains of effected output signals. The parameters, G13 and G22, are gains of directed output signals.

• The parameter, T0, is the pointer address of the feed-back signal in the delay memory. The parameter, Tc, is the pointer address of the current input signal. The parameters, T1 to T7, are pointers designating addresses of the 7 different delayed signals. Note that the pointer address is same as the amount of delay. Thus, T0 to T7 values can be simply determined as the amount of delay which one wants to set.

BL0

BL1

BR0

BR1

AL1

Left Prefilter

AR1

Right Prefilter

BD0

BD1

AD0

Postfilter Delay Line Buffer

T1T2T3T4T5T6T

G21

G13

G22

++G12

G5 G6 G7 G8

G9 G10 G11

G14 G15 G16 G17 G18 G19 G20

Figure 17. Block Diagram for User Defined Mode

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AUDIO EFFECT PROCESSOR S5A1901H02

Movie Mode I, II

The Movie Mode I and II create 3-dimensional sound images from 2-channel stereo input signals. The Movie ModeI enhances stereo images dynamically using the Samsung proprietary TLA (Table Lookup Algorithm) method. One perceives as if he or she is in the live stage. The Movie Mode II uses a sound source relocalization technique based on Head Related Transfer Function (HRTF). Only using two front speakers, one can perceive as sound coming from various directions.

Graphic Equalizer

The S5A1901H02 provides the graphic equalizer having following features.

• 3/5/7-band graphic equalizer

• 5/7-band spectrum analyzer display

• ± 12dB adjustable range The 3-band graphic equalizer can be used as a simple digital tone control (as bass and treble control).

Center Frequencies of Equalizer Bands (Hz)

Band 3-Band Mode 5-Band Mode 7-Band Mode

Band0 63 100 63 Band1 1 K 300 160 Band2 16 K 1 K 400 Band3 − 3 K 1 K Band4 − 10 K 2.5 K Band5 − − 6.4 K Band6 − − 16 K

The gain control of each band uses an attenuation table containing attenuation values, which has the size of 25 to implement ±12dB with 1dB step control

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S5A1901H02 AUDIO EFFECT PROCESSOR

Attenuation

0 dB

Maximum tone Vc+Tm

Current volume scale Vc

Minimum tone Vc+Tm

90 dB

MUTE (inf dB)

+12 dB

Volume range

+-12dB@1dB step

-12 dB

Figure 18. Dynamic Range of Each Control Band

Gain Table for Tone Level Control

Index Gain Value (Hex) Gain Scale (dB) Index Gain Value (Hex) Gain Scale (dB)

0 0809 − 12 13 23e7 1 1 0904 − 11 14 2849 2 2 0a1e − 10 15 2d33 3 3 0b5a − 9 16 32b7 4 4 0cbd − 8 17 38e7 5 5 0e4b − 7 18 3fd9 6 6 1009 − 6 19 47a3 7 7 11fe − 5 20 5061 8 8 1430 − 4 21 5a30 9

9 16a7 − 3 22 6531 10 10 196b − 2 23 718a 11 11 1c85 − 1 24 7f64 12 12 2000 0

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AUDIO EFFECT PROCESSOR S5A1901H02

Spectrum Analyzer

The spectrum analyzer displays the power of each equalizer band output. The band number in spectrum analyzer is identical to that in graphic equalizer except for the 3-band equalizer mode. In this case, the spectrum analyzer follows 7-band equalizer mode in spite of the 3-band equalizer mode being selected. The 16 bit analyzer outputs are transformed to generate a byte value (256 levels), which can be applied to an external LCD or other display devices. At each input sample, only one band output power is calculated in every sampling period, because it is not necessary to display all band power at each sampling period. (At 44.1kHz sampling frequency, the period is only 0.0227 msec)

Vocal Canceller

The structure of vocal canceller function used in the S5A1901H02 is given in Figure .

Left input

Right input

This structure is based on the fact that the vocal component in music sound is center channel component (i.e., mono). Thus, subtracting left signal from right signal, the signal in the low line from above diagram has no vocal component. However, there are lots of loss in other signal components. For instance, since drum beat is usually mono, it also disappears after the vocal cancellation. The process in the upper line compensates this loss of some components. The added two signal is filtered by a band stop filter in which the lower and upper cutoff frequencies are 120Hz and 10kHz respectively. Thus, the stereo components below 120Hz and above 10kHz are emphasized, whereas the vocal components between cutoff frequencies are eliminated. To obtain the left and the right signals, the filtered signal is subtracted from the lower part of signals to obtain the left signal, and is added to the lower part of signal to obtain the right signal.

- +

Figure 19. Structure of Vocal Canceller

Band Stop

Filter

Left output

Right output

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S5A1901H02 AUDIO EFFECT PROCESSOR

Loudness Control

The loudness control compensates human aural insensitivity to low and high frequency components of low volume level. Loudness control increases the tone levels of low (lower than 100Hz) and high frequency (higher than 10kHz) signals according to the actual volume setting. When loudness control is on, the current equalizer mode is stored and does not work until loudness control is turned off.

GainGain

Gain Gain

MIN MAX

VOLUME

Figure 20. Loudness gain according to the actual volume setting

Figure 21. Loudness compensated level with respect to volume level

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AUDIO EFFECT PROCESSOR S5A1901H02

Volume Control

Volume control uses an attenuation table containing attenuation values, which has the size of 110 to implement 0dB to −∞dB attenuation.

Attenuation Step size

0 dB

Maximum volume

35 dB

70 dB

90 dB

MUTE (inf dB)

0.5 dB /step

1.0 dB /step 110 steps in total

5 dB /step

Figure 22. Dynamic Range for Volume Contro

l Volume Gain Table

Index Gain Value (Hex) Gain Scale (dB) Index Gain Value (Hex) Gain Scale (dB)

0 7fff 0 19 2ae0 − 9.5 1 78d6 − 0.5 20 287a − 10.0 2 7214 − 1.0 21 2636 − 10.5 3 6bb2 − 1.5 22 2413 − 11.0 4 65ac − 2.0 23 220e − 11.5 5 5ffc − 2.5 24 2026 − 12.0 6 5a9d − 3.0 25 1e5a − 12.5 7 558c − 3.5 26 1ca7 − 13.0 8 50c3 − 4.0 27 1b0d − 13.5

9 4c3e − 4.5 28 198a − 14.0 10 47fa − 5.0 29 181c − 14.5 11 43f4 − 5.5 30 16c3 − 15.0 12 4026 − 6.0 31 157d − 15.5 13 3c90 − 6.5 32 1449 − 16.0 14 392c − 7.0 33 1326 − 16.5 15 35fa − 7.5 34 1214 − 17.0

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S5A1901H02 AUDIO EFFECT PROCESSOR

Volume Gain Table (Continued)

Index Gain Value (Hex) Gain Scale (dB) Index Gain Value (Hex) Gain Scale (dB)

16 32f5 − 8.0 35 1111 − 17.5 17 301b − 8.5 36 101d − 18.0 18 2d6a − 9.0 37 0f36 − 18.5 38 0e5c − 19.0 74 016f − 39.0 39 0d8e − 19.5 75 0147 − 40.0 40 0ccc − 20.0 76 0124 − 41.0 41 0c15 − 20.5 77 0104 −42.0 42 0b68 − 21.0 78 00e7 − 43.0 43 0ac5 − 21.5 79 00ce − 44.0 44 0a2a − 22.0 80 00b8 − 45.0 45 0999 − 22.5 81 00a4 − 46.0 46 090f − 23.0 82 0092 − 47.0 47 088e − 23.5 83 0082 − 48.0 48 0813 − 24.0 84 0074 − 49.0 49 079f − 24.5 85 0067 − 50.0 50 0732 − 25.0 86 005c − 51.0 51 06cb − 25.5 87 0052 − 52.0 52 066a − 26.0 88 0049 − 53.0 53 060e − 26.5 89 0041 − 54.0 54 05b7 − 27.0 90 003a − 55.0 55 0565 − 27.5 91 0033 − 56.0 56 0518 − 28.0 92 002e − 57.0 57 04cf − 28.5 93 0029 − 58.0 58 048a − 29.0 94 0024 − 59.0 59 0449 − 29.5 95 0020 − 60.0 60 040c − 30.0 96 001d − 61.0 61 03d2 − 30.5 97 001a − 62.0 62 039b − 31.0 98 0017 − 63.0 63 0367 − 31.5 99 0014 − 64.0 64 0337 − 32.0 100 0012 − 65.0 65 0309 − 32.5 101 0010 − 66.0 66 02dd − 33.0 102 000e − 67.0

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AUDIO EFFECT PROCESSOR S5A1901H02

Volume Gain Table (Continued)

Index Gain Value (Hex) Gain Scale (dB) Index Gain Value (Hex) Gain Scale (dB)

67 02b4 − 33.5 103 000d − 68.0 68 028d − 34.0 104 000b − 69.0 69 0269 − 34.5 105 000a − 70.0 70 0246 − 35.0 106 0005 − 75.0 71 0207 − 36.0 107 0003 − 80.0 72 01ce − 37.0 108 0001 − 85.0 73 019c − 38.0 109 0000 − ∞

Balance Control

When balance control selects the left (right) channel, the right (left) channel diminishes. Balance control uses the same table that is used for volume control as in Table , which performs 0 dB to -∞ dB (mute) attenuation by 1dB per step.

Attenuation

0 dB

Current volume scale Vc

Output Volume range

90 dB

MUTE (inf dB)

Figure 23. Dynamic Range for Balance Control

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S5A1901H02 AUDIO EFFECT PROCESSOR

Input/Output Configurations

The S5A1901H02 can receive one analog input from the built-in ADC and one digital input from DSDI1, or two digital inputs from DSDI1 and DSDI2 simultaneously. It can also send output to the built-in DAC, DSDO1 and DSDO2. As described in Chapter 4, the S5A1901H02 has Mixing, Input/Output source selection and Bypass On-Chip Function to support a various Input/Output source configurations as described below.

• Input/Output Configuration 1

Built-in DAC

DSDO2

DSDI1 Sound Effect Graphic Equalizer Volume/ Balance

DSDO1

Figure 24. Block Diagram of Input/Output Configuration

For this configuration, one should set Mixing and Bypass On-Chip Function to be turned off while DSDI1 is enabled by using Chip Control Command as described in Chapter 4. The digital input from DSDI1 can be processed by one of sound effect modes. In output side, the signal effected by one of sound modes is passed to DSDO1, and the output after graphic equalizer followed by volume and balance control is passed to the built-in DAC and DSDO2. To obtain Configuration 1, one can send host commands from microcontroller in the order of the commands listed in Table 8

Host Commands for Input/Output Configuration 1.

Command Code (Hex) Parameter Description

34 c1 (e1) Select DSDI1 (When DSDO1 uses internal clock) 2a − Bypass On-Chip Function: Off 2c − Mixing Function: Off 2d − Output Channel Selection: Normal

If one selects Output Channel Selection (command code: 0x2e) to be inverted, then two output connections are switched.

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AUDIO EFFECT PROCESSOR S5A1901H02

• Input/Output Configuration 2

Built-in ADC

DSDI2

DSDI1 Sound Effect Graphic Equalizer Volume/ Balance

DSDO1

Built-in DAC

DSDO2

Figure 25. Block Diagram of Input/Output Configuration 2

For this configuration, one should set Mixing to be turned off and Bypass On-Chip Function to be turned on. In this configuration, the S5A1901H02 receives two digital input signals through DSDI1 and DSDI2, or one analog and one digital signals through the built-in ADC and DSDI1 respectively according to input channel configuration using Chip Control Command as described in Chapter 4. With this selection, the input from the built-in ADC or DSDI2 is bypassed to DSDO1 while the input from DSDI1 is processed by selected functions of the S5A1901H02. Thus, it permits that other process, which the S5A1901H02 does not provide, be applied to the digital signal from DSDO1. Also, this result can be an input to DSDI1 for further processing by functions of the S5A1901H02 as shown in Figure . In this configuration, the Output Channel Selection cannot be inverted. To obtain Configuration 2, one can send host commands from microcontroller in the order of commands listed in Table 9.

Host Commands for Input/Output Configuration 2

Command Code (Hex) Parameter Description

c3 (e3) Select built-in ADC & DSDI1 (When DSDO1 uses internal clock)

c4 (e4) Select DSDI1 & DSDI2 (When DSDO1 uses internal clock) 29 − Bypass On-Chip Function: On 2c − Mixing Function: Off

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S5A1901H02 AUDIO EFFECT PROCESSOR

• Input/Output Configuration 3

Built-in DAC

DSDO2

Built-in ADC

DSDI2

This configuration is exactly same as Configuration 1 except for input source. For this configuration, one should set Mixing and Bypass On-Chip Function to be turned off while the built-in ADC or DSDI2 is enabled. To obtain Configuration 3, one can send host commands from microcontroller in the order of the commands listed in Table 10.

Sound Effect Graphic Equalizer Volume/ Balance

DSDO1

Figure 26. Block Diagram of Input/Output Configuration 3

Host Commands for Input/Output Configuration 3

Command Code (Hex) Parameter Description

34 c0 (e0) Select built-in ADC (When DSDO1 uses internal clock)

c2 (e2) Select DSDI2 (When DSDO1 uses internal clock) 2a − Bypass On-Chip Function: Off 2c − Mixing Function: Off

If one selects Output Channel Selection (command code: 0x2e) to be inverted, then two output connections are switched.

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AUDIO EFFECT PROCESSOR S5A1901H02

• Input/Output Configuration 4

DSDI1

Built-in ADC

DSDI2

Sound Effect

Graphic Equalizer Volume/Balance

Built-in DAC

DSDO2

DSDO1

Figure 27. Block Diagram of Input/Output Configuration 4

For this configuration, one should set Mixing to be turned on and Bypass On-Chip Function to be turned off. Input signals from different sources can be mixed with controllable gains. After mixed, the flow is identical to Configuration 1 and 3. To obtain Configuration 4, one can send host commands from microcontroller in the order of the commands listed in Table 1.

Host Commands for Input/Output Configuration 4

Command Code (Hex) Parameter Description

34 c3 (e3) Select built-in ADC & DSDI1 (When DSDO1 uses internal clock)

c4 (e4) Select DSDI1 & DSDI2 (When DSDO1 uses internal clock) 2a − Bypass On-Chip Function: Off 2b − Mixing Function: On 2d − Output Channel Selection: Normal

If one selects Output Channel Selection (command code: 0x2e) to be inverted, then two output connections are switched.

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S5A1901H02 AUDIO EFFECT PROCESSOR

• Input/Output Configuration 5

Built-in ADC

DSDI2

DSDI1

Mic Echo

Vocal canceller

Stage Effect

Graphic Equalizer Volume/ Balance

Built-in DAC

DSDO2

DSDO1

Figure 28. Block Diagram of Input/Output Configuration 5

This configuration is for Karaoke Mode I. To have this configuration, one should set Mixing and Bypass On-Chip Function to be turned off. According to input channel source setting, one of inputs from the built-in ADC or DSDI2 is processed by mic-echo, and the other input from DSDI1 is processed by stage effect mode or by vocal canceller. After mixed, the result is bypassed to DSDO1. This signal is also passed to the built-in DAC and DSDO2 after processed by graphic equalizer, volume and balance control. To obtain Configuration 5, one can send host commands from microcontroller in the order of the commands listed in Table 2.

Host Commands for Input/Output Configuration 5

Command Code (Hex) Parameter Description

c3 (e3) Select built-in ADC & DSDI1 (When DSDO1 uses internal clock)

c4 (e4) Select DSDI1 & DSDI2 (When DSDO1 uses internal clock) 11 − Select Karaoke Mode I 16 − Source Selection in Karaoke Mode I: Normal

23 (24) − Vocal Canceller: On (Off)

2a − Bypass On-Chip Function: Off 2c − Mixing Function: Off 2d − Output Channel Selection: Normal

If one selects Output Channel Selection (command code: 0x2e) to be inverted, then two output connections are switched.

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AUDIO EFFECT PROCESSOR S5A1901H02

• Input/Output Configuration 6

DSDI1

Built-in ADC

DSDI2

Mic Echo

Vocal canceller

Stage Effect

Graphic Equalizer Volume/ Balance

Built-in DAC

DSDO2

DSDO1

Block Diagram of Input/Output Configuration 6

This configuration is also for Karaoke mode I as shown in Configuration 5. The difference between them is that sources for mic-echo and stage effect mode are exchanged. To obtain this configuration, one should set Input Source Selection in Karaoke I to be inverted and other switches (Mixing, Bypass On-Chip Function) to be turned off. To obtain Configuration 6, one can send host commands from microcontroller in the order of the commands listed in Table 3.

Host Commands for Input/Output Configuration

Command Code (Hex) Parameter Description

34 c3 (e3) Select built-in ADC & DSDI1 (When DSDO1 uses internal clock)

c4 (e4) Select DSDI1 & DSDI2 (When DSDO1 uses internal clock) 11 − Select Karaoke Mode I 17 − Source Selection in Karaoke Mode I: Inversion

23 (24) − Vocal Canceller: On (Off)

2a − Bypass On-Chip Function: Off 2c − Mixing Function: Off 2d − Output Channel Selection: Normal

If one selects Output Channel Selection (command code: 0x2e) to be inverted, then two output connections are switched.

Default Setting in S5A1901H02

Functions Selection Remark

Sound Mode Bypass Graphic Equalizer Mode 7-band Spectrum Analyzer 7-band Tone Level 0x0c 0 dB Vocal Canceller Off Loudness Off

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S5A1901H02 AUDIO EFFECT PROCESSOR

Functions Selection

Bypass On-Chip Function Off

Off Output Channel Selection Input Gain (ADC/DSDI2) 0x3fff 6 dB Input Gain (DSDI1) − 6 dB

0x7fff 0 dB

0x46 − DSIU1ICR [7:0] 0x00 DSIU1OCR [7:0] 0x00 DSIU2ICR [7:0] 0x00 DSIU2OCR [7:0] 0x00 CHIPCR [7:0] 0xc0

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AUDIO EFFECT PROCESSOR S5A1901H02

COMMAND SET

The S5A1902 receives data from and sends data to microcontroller through its HIU (Host Interface Unit) in the length of byte. It provides I2C bus interface as well as normal microcontroller interface. To design and program a

microcontroller, one may refer to the specification of host interface described in Chapter 2. The commands used in the S5A1901H02 are classified into the three types as follows:

• Type1: Command Only (1 Byte Command)

• Type2: Command followed by Parameter (2 Byte Command)

• Type3: Command followed by Parameter 1 and Parameter 2 (3 Byte Command) Note that all data regardless of types must be sent to the S5A1901H02 in the length of byte. In type3, the high byte

is followed by the low byte. The command class contained in each type are listed in the following table. (see also Table )

Classification of Command

Type Class

System Control

TYPE1

TYPE2

TYPE3

Sound Mode Selection Source Selection in Karaoke I Graphic Equalizer Mode Selection Band Spectrum Request Vocal Canceller Loudness Mute/Release Bypass On-Chip Function Mixing Output Channel Selection Digital Data Format & Input Configuration Volume Balance Mic-echo Scale Equalizer Tone Level Control Input Gain Control Output Gain Control Parameters for User Defined Mode

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S5A1901H02 AUDIO EFFECT PROCESSOR

COMMAND SET DESCRIPTION

• Format

Command Code (Hex) Command Name

Reset

Description

2. SYSTEM POWER DOWN

•

Command for System Power Down

Command Code (Hex)

03 System Power Down

Description

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AUDIO EFFECT PROCESSOR S5A1901H02

3. SOUND MODE SELECTION

• Format

Commands for Sound Mode Selection

Command Code (Hex) Command Name Command Code (Hex) Command Name

05 Bypass 0e Arena I 06 Stereo Emulation I 0f Arena II 07 Stereo Emulation II 10 News/Drama 08 Super Woofer I 11 Karaoke I 09 Super Woofer II 12 Karaoke II 0a Super Woofer III 13 User Defined Mode 0b Hall I 14 Movie I 0c Hall II 15 Movie II 0d Stage

Description The S5A1901H02 presents various sound effect and Movie modes as listed above. For detailed description on each mode, refer to “Functional Description” in Chapter 3.

4. SOURCE SELECTION IN KARAOKE MODE I

• Format

Commands for Source Selection in Karaoke Mode I

Command Code (Hex) Command Name

16 Normal 17 Inversion

Description In Karaoke mode I, two input sources are processed by mic-echo and stage effect mode respectively, and then, they are mixed. In normal selection, the signal coming from built-in ADC or DSDI2 is the input for mic-echo, and the signal coming from DSDI1 is the input for stage effect mode. In inversion selection, the signal coming from built-in ADC or DSDI2 is the input for stage mode, and the signal coming from DSDI1 is the input for mic-echo

Input Source

Source Selection

Mic-Echo Stage Effect

Normal ADC or DSDI2 DSDI1

Inversion DSDI1 ADC or DSDI2

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S5A1901H02 AUDIO EFFECT PROCESSOR

5. GRAPHIC EQUALIZER MODE SELECTION

• Format

Commands for Graphic Equalizer Mode Selection

Command Code (Hex) Command Name

18 3-band Tone Control 19 5-band Tone Control 1a 7-band Tone Control 1b Defeat

Description The S5A1901H02 provides 3, 5 or 7-band equalizer mode and tone control. For detailed description on graphic equalizer and tone control, refer to “Functional Description” in Chapter 3. Note that if loudness function is selected, then any equalizer mode cannot be selected. After an equalizer mode is selected, tone level of each band is controlled by Tone Control Command. To select an equalizer mode, the loudness function should be turned off

6. SPECTRUM VALUE REQUEST

• Format

Commands for Spectrum Value Request

Command Code (Hex) Command Name

1c Band0 in 5/7-band equalizer mode 1d Band1 in 5/7-band equalizer mode 1e Band2 in 5/7-band equalizer mode

1f Band3 in 5/7-band equalizer mode 20 Band4 in 5/7-band equalizer mode 21 Band5 in 7-band equalizer mode 22 Band6 in 7-band equalizer mode

Description The S5A1901H02 provides spectrum data corresponding to 5/7-band equalizer mode to host (microcontroller). The spectrum value of each band is calculated in every sampling period. When the spectrum value of a specific band is requested by host, the one-word spectrum value (16 bit) is transformed to a byte value (8 bit) through built-in spectrum interface unit to transfer to host.

Requested Spectrum Value Transferred Spectrum Value Condition

Spectrum [Band [i]] [15:0]

Spectrum [Band [i]] [11:4] Spectrum [Band [i]] < 2

Spectrum [Band [i]] > 2

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AUDIO EFFECT PROCESSOR

7. VOCAL CANCELLER

Format

Commands for Vocal Canceller

Command Code (Hex)

23 Vocal Canceller On

Vocal Canceller Off

The vocal canceller function is used to decrease the level of vocal component from a music source. It is useful function for Karaoke modes to distinct the vocal component from a microphone and the vocal component from

8. LOUDNESS

•

Commands for Loudness

Command Code (Hex)

25 Loudness On

Loudness Off

Description one can listen a sound evenly for all frequency ranges. Note that while the loudness is on, the tone level control

does not work because it uses specified tone levels. The changed tone values are updated after the loudness is

9. MUTE/RELEASE

•

Commands for Mute and Release

Command Code (Hex)

27 Mute

Release

Description

∞ dB. Selecting release, the volume level before mute is recovered. By chang-

volume level before mute, but updated by selected volume level.

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S5A1901H02 AUDIO EFFECT PROCESSOR

10. BYPASS ON-CHIP FUNCTION

• Format

Commands for Bypass On-Chip Function

Command Code (Hex) Command Name

29 Selection 2a No Selection

Description With the selection of this function, the input from built-in ADC or DSDI2 is bypassed to DSDO1 while the input from DSDI1 is processed by functions of the S5A1901H02. Thus, it permits that other functions, which are not available in the S5A1901H02, can be applied to the digital output from DSDO1. This result can also be an input to DSDI1 for further processing by functions of the S5A1901H02. Note that this function cannot be selected in Karaoke modes since these modes require two input sources. If the mixing function is selected previously, it is automatically turned off with the selection of Bypass On-Chip Function.

• In Karaoke modes, Bypass On-Chip Function cannot be selected

• When Bypass On-Chip Function is selected, the Mixing is automatically turned off if it is on.

ADC

DSDI2

Off-Chip Other Functions

(e.g. Prologic )

DSDI1 On-Chip Function

DSDO1

DAC

DSDO2

Figure 29. System Block Diagram when Bypass On-Chip Function is Selected

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AUDIO EFFECT PROCESSOR S5A1901H02

11. MIXING

• Format

Commands for Mixing

Command Code (Hex) Command Name

2b Mixing On 2c Mixing Off

Description This function is to mix two inputs with appropriate mixing gains using input gain control commands, and the result is processed by functions of the S5A1901H02. After mixed, the result is the input for a sound mode, and thus, the mixing function cannot be selected in Karaoke modes. If Bypass On-Chip Function is selected previously, it is automatically turned off with the selection of mixing function.

• In Karaoke modes, the mixing function cannot be selected

• When the mixing function is selected, the Bypass On-Chip Function is automatically turned off if it is on.

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S5A1901H02

12. OUTPUT CHANNEL INVERSION

Format

Commands for Output Channel Inversion

Command Code (Hex) Command Name

Normal

In normal selection of output channel, the output of a sound mode is passed to DSDO1 for recording before processed by equalizer, volume and balance. After further processed by equalizer, volume and balance, this result is

switched. Note that this function cannot be selected if Bypass On-Chip Function is selected already.

•The output channel cannot be inverted if the Bypass On-Chip Function is selected.

Output Channel Selection = Normal

Sound Mode Equalizer/ Tone Control Volume/ Balance Control DAC/ DSDO2

DSDO1

Output Channel Selection = Inversion

Sound Mode Equalizer/ Tone Control Volume/ Balance Control DSDO1

DAC/ DSDO2

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AUDIO EFFECT PROCESSOR S5A1901H02

13. DSIU1 INPUT FORMAT

• Format

Command for DSIU1 Input Format

Command Code (Hex) DSIU1ICR Command Name

30 [7:0] DSIU1 Input Format

Description The S5A1901H02 supports various input and output digital formats. After the command, desired format can be set using DSIU1ICR [7:0].

DSIU1ICR[7:0] Register Setting for DSIU1 Input Format

[7:0] Value Description Related Pin

[7]

[6]

[5:4]

[3:2]

[1:0]

0 DLRCKI1 is low for L-ch 1 DLRCKI1 is high for L-ch 0 DSDI1 is synchronized with falling edge of DBCKI1

1 DSDI1 is synchronized with rising edge of DBCKI1 00 32 Fs 01 48 Fs 10 64 Fs 11 Reserved 00 16 bit 01 18 bit 10 20 bit 11 24 bit 00 01 10 11

I2S Reserved Right Justified Left Justified

DLRCKI1

(LR Clock)

DBCKI1

(Bit Clock)

DSDI1

Serial Data Fs

DSDI1 Data Length

DSDI1 Data Position

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S5A1901H02 AUDIO EFFECT PROCESSOR

14. DSIU1 OUTPUT FORMAT

• Format

Command for DSIU1 Output Format

Command Code (Hex) DSIU1OCR Command Name

31 [7:0] DSIU1 Output Format

Description The S5A1901H02 supports various input and output digital formats. After the command, desired format can be set using DSIU1OCR [7:0].

DSIU1OCR[7:0] Register Setting for DSIU1 Output Format

[7:0] Value Description Related Pin

[7]

[6]

[5:4]

[3:2]

[1:0]

0 DLRCKO1 is low for L-ch 1 DLRCKO1 is high for L-ch 0 DSDO1 is synchronized with falling edge of DBCKO1

1 DSDO1 is synchronized with rising edge of DBCKO1 00 32 Fs 01 48 Fs 10 64 Fs 11 Reserved 00 16 bit 01 18 bit 10 20 bit 11 24 bit 00

I2S 01 Reserved 10 Right Justified 11 Left Justified

DLRCKO1 (LR Clock)

DBCKO1

(Bit Clock)

DSDO1

Serial Data Fs

DSDO1 Data Length

DSDO1 Data Position

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AUDIO EFFECT PROCESSOR S5A1901H02

15. DSIU2 INPUT FORMAT

• Format

Command for DSIU2 Input Format

Command Code (Hex) DSIU2ICR Command Name

32 [7:0] DSIU2 Input Format

Description The S5A1901H02 supports various input and output digital formats. After the command, desired format can be set using DSIU2ICR [7:0].

DSIU2ICR[7:0] Register Setting for DSIU2 Input Format

[7:0] Value Description Related Pin

[7]

[6]

[5:4]

[3:2]

[1:0]

0 DLRCKI2 is low for L-ch 1 DLRCKI2 is high for L-ch 0 DSDI2 is synchronized with falling edge of DBCKI2

1 DSDI2 is synchronized with rising edge of DBCKI2 00 32 Fs 01 48 Fs 10 64 Fs 11 Reserved 00 16 bit 01 18 bit 10 20 bit 11 24 bit 00

I2S 01 Reserved 10 Right Justified 11 Left Justified

DLRCKI2

(LR Clock)

DBCKI2

(Bit Clock)

DSDI2

Serial Data Fs

DSDI2 Data Length

DSDI2 Data Position

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S5A1901H02 AUDIO EFFECT PROCESSOR

16. DSIU2 OUTPUT FORMAT

• Format

Command for DSIU2 Output Format

Command Code (Hex) DSIU2OCR Command Name

33 [7:0] DSIU2 Output Format

Description The data length and bit rate for DSDO2 are fixed to 16 bit and 32xFs respectively. Note that the data position for DSDO2 supports IIS or right justified. The data position for built-in ADC and DAC also follows that of DSDO2. After the command, desired format can be set using DSIU2OCR [7:0].

DSIU2OCR[7:0] Register Setting for DSIU2 Output Format

[7:0] Value Description Related Pin

[7:3] 00000 Reserved Reserved

[2]

[1]

[0]

0 DLRCKO2 is low for L-ch DLRCKO2 1 DLRCKO2 is high for L-ch

(LR Clock)

0 DSDO2 is synchronized with falling edge of DBCKO2 DBCKO2 1 DSDO2 is synchronized with rising edge of DBCKO2 0

I2S

1 Right Justified

(Bit Clock) Codec In/Out,

DSDO2 Data Position

Page 47

• Format

Command Code (Hex) CHIPCR

34 [7:0]

Description DSDO1 using CHIPCR [7:0].

CHIPCR[7:0] Register Setting for Input Source Selection

[7:0] Value Description

[7] ‘1 Reserved [6] ‘1 Reserved

S5A1901H02

[5]

DLRCKO1/DBCKO1 Clock Source

Internal

[4:3] Reserved

ADC enable DSIU1 enable

010

External

[2:0]

Input Source Configurations

011 ADC & DSIU1 enable

DSIU1 & DSIU2 enable

101–111

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S5A1901H02 AUDIO EFFECT PROCESSOR

18. VOLUME CONTROL

Format

Command for Volume Control

Volume_index Command Name

[7:0] Volume Control

The S5A1901H02 provides 110 levels in volume control. The desired volume level is invoked by selecting its index using incoming byte, Volume_index [7:0]. The index of the highest volume level corresponds to 0x00 (0dB attenua-

−∞

• Minimum volume index 0x6d corresponds to ∞dB attenuation Maximum volume index 0x00 corresponds to 0dB attenuation

19. BALANCE CONTROL

Format

Command for Balance Control

Balance_index Command Name

[7:0] Balance Control

The MSB of Balance_control [7:0] represents balance left if it is 0 and balance right if it is 1. The volume index used in volume control is also used for balance control, i.e., 0x00 to 0x6d as follows:

For balance left, Balance_control [7:0] has the range of 0x00 (equal balance) to 0x6d (max balance)

•

In balance left (right), the volume level of the left (right) channel is kept, whereas the volume of the right (left) channel is attenuated by the scale corresponding to Balance_index [7:0].

Page 49

AUDIO EFFECT PROCESSOR S5A1901H02

20. TONE CONTROL

• Format

Commands for Tone Control

Command Code (Hex) Tone_index Command Name

Band0 Tone Value in 3/5/7-band equalizer mode 39 Band1 Tone Value in 3/5/7-band equalizer mode 3a Band2 Tone Value in 3/5/7-band equalizer mode 3b Band3 Tone Value in 5/7-band equalizer mode

[7:0] 3c Band4 Tone Value in 5/7-band equalizer mode 3d Band5 Tone Value in 7-band equalizer mode 3e Band6 Tone Value in 7-band equalizer mode

Description The S5A1901H02 provides 25 levels of tone level for each band according to selected equalizer mode. This tone level is set by using incoming byte, Tone_index [7:0], after the command. Levels have the range of 0x00 (min) to 0x18 (max). Note that if the loudness function is on, then the tone control does not work since tone levels are preset in this case. Changed tone values while the loudness function is on, are updated as soon as the loudness function is turned off.

• While the loudness function is being selected, the tone control is not permitted

Page 50

S5A1901H02

21. INPUT GAIN CONTROL

• Format

Commands for Input Gain Control

Command Code (Hex) High Byte Low Byte Command Name

46 Ingain_adc [15:8] Ingain_adc [7:0] Input Gain Control of ADC or DSDI2 47 Ingain_dsdi1 [15:8] Ingain_dsdi1 [7:0] Input Gain Control of DSDI1

Description The S5A1901H02 permits to control the input gains of ADC (or DSDI2) and DSDI1 using incoming two bytes after the command. The preset values for input gains are 0x3fff (6dB attenuation) in both.

Page 51

AUDIO EFFECT PROCESSOR S5A1901H02

22. OUTPUT GAIN CONTROL

Format

Command for Output Gain Control

Command Code (Hex) Low Byte Command Name

Outgain_dsdo1 [15:8] Outgain_dsdo1 [7:0]

Description The S5A1901H02 permits to control the output gain of DSDO1 using incoming two bytes after the command. The

volume control can be used.

Page 52

S5A1901H02 AUDIO EFFECT PROCESSOR

23. PARAMETERS FOR USER DEFINED MODE

Format

Commands for Setting Parameters of User Defined Mode

High Byte Low Byte

49 G0 [15:8] Gain for Left Input 4a G1 [7:0] Gain for Right Input

BL0 [15:8] BL0 [7:0] 4c BL1 [15:8] Prefilter Coeff. (Left) 4d AL1 [7:0] Prefilter Coeff. (Left)

BR0 [15:8] BR0 [7:0]

4f BR1 [15:8] Prefilter Coeff. (Right)

50 AR1 [7:0] Prefilter Coeff. (Right)

G2 [15:8] G2 [7:0] 52 G3 [15:8] Gain for Right Term 53 G4 [7:0] Gain for Feedback Term

BD0 [15:8] BD0 [7:0] 55 BD1 [15:8] Postfilter Coeff. 56 AD1 [7:0] Postfilter Coeff.

G5 [15:8] G5 [7:0] 58 G6 [15:8] Gain for T2 Delay Term (Left) 59 G7 [7:0] Gain for T3 Delay Term (Left)

G8 [15:8] G8 [7:0] 5b G9 [15:8] Gain for T5 Delay Term (Left) 5c G10 [7:0] Gain for T6 Delay Term (Left)

G11 [15:8] G11 [7:0]

5e G12 [15:8] Gain for Left Effected Term

5f G13 [7:0] Gain for Left Original Term

G14 [15:8] G14 [7:0] 61 G15 [15:8] Gain for T2 Delay Term (Right) 62 G16 [7:0] Gain for T3 Delay Term (Right)

G17 [15:8] G17 [7:0] 64 G18 [15:8] Gain for T5 Delay Term (Right) 65 G19 [7:0] Gain for T6 Delay Term (Right)

G20 [15:8] G20 [7:0]

Page 53

AUDIO EFFECT PROCESSOR S5A1901H02

Commands for Setting Parameters of User Defined Mode (Continued)

Command Code (Hex) High Byte Low Byte Command Name

67 G21 [15:8] G21 [7:0] Gain for Right Effected Term 68 G22 [15:8] G22 [7:0] Gain for Right Original Term 69 T0 [15:8] T0 [7:0] Delay Buffer Pointer of T0 6a Tc [15:8] Tc [7:0] Current Delay Buffer Pointer 6b T1 [15:8] T1 [7:0] Delay Buffer Pointer of T1 6c T2 [15:8] T2 [7:0] Delay Buffer Pointer of T2 6d T3 [15:8] T3 [7:0] Delay Buffer Pointer of T3 6e T4 [15:8] T4 [7:0] Delay Buffer Pointer of T4

6f T5 [15:8] T5 [7:0] Delay Buffer Pointer of T5 70 T6 [15:8] T6 [7:0] Delay Buffer Pointer of T6 71 T7 [15:8] T7 [7:0] Delay Buffer Pointer of T7

Description These parameters are provided for user to design his or her own sound mode. The list of parameters (see Block Diagram for User Defined Mode in Chapter 3.) is one of sound modes provided in the S5A1901H02. In fact, most of sound modes in the S5A1901H02, e.g., hall, super woofer and so on, have similar structure. By changing parameters given in Figure , one can obtain completely different sound mode. Loading parameters which are redefined by user can be done in running of any sound mode since the memory site for these parameters does not overlap with that for any other modes. Designed mode after loading all parameters to DSP is defined as User Defined Mode. To run this mode, simply select the command code 0x13 (see Command for Mode Selection).

Page 54

COMMAND SUMMARY The List of Commands for Audio Effect Processor (S5A1901H02)

Class Function

(Hex)

AUDIO EFFECT PROCESSOR

Control

Reset

sound mode 01 02 Reserved

System Power Down Disable DSP and built-in peripherals

Reserved

05 Bypass For sound mode description, see Chapter 3

Stereo Emulation I 07 08 Super Woofer I

Super Woofer II 0a 0b Hall I

Hall II 0d 0e Arena I

Arena II 10 11 Karaoke I

Karaoke II 13 14 Movie I

Movie II 16

Selection in

Karaoke I

Inversion The above input sources are exchanged

Equalizer

19 5-band tone control

Mode

Input for mic-echo comes from built-in ADC or DSDI2. Input for stage mode comes from DSDI1

3-band tone control

1a 7-band tone control 1b No selection

Page 55

AUDIO EFFECT PROCESSOR S5A1901H02

Command Code

(Hex)

1c Spectrum

1d Band1 Request band1 spectrum value in 5/7-band tone

1e Band2 Request band2 spectrum value in 5/7-band tone

1f Band3 Request band3 spectrum value in 5/7-band tone

20 Band4 Request band4 spectrum value in 5/7-band tone

21 Band5 Request band5 spectrum value in 7-band tone

22 Band6 Request band6 spectrum value in 7-band tone

23 Vocal

24 Off No selection

Class Command Name Function

Band0 Request band0 spectrum value in 5/7-band tone

Request

mode

On Cancel vocal component in a sound mode except

Canceller

for Movie I, II

25 Loudness On Emphasis low & high freq. components according

to volume level 26 Off No selection 27 Mute On Set volume level to – ∞ dB 28 Off Recover the volume level 29 Bypass On

Chip Function

On Bypass input from built-in ADC or DSDI2 to

DSDO1 2a Off No selection 2b Mixing On Two input signals are added to produce an input for

sound mode 2c Off No selection 2d Output

Channel

Selection

Normal The result effected by sound mode is passed to

DSDO1 for recording

The result further controlled by equalizer, volume

and balance is passed to built-in DAC and DSDO2

for speaker output 2e Inversion The above connection is exchanged

2f Reserved

Page 56

S5A1901H02 AUDIO EFFECT PROCESSOR

Command Code

(Hex)

30 Digital data

31 Format for DSDO1 Select format for digital output source1 using

32 Format for DSDI2 Select format for digital input source2 using

33 Format for DSDO2 Select format for digital output source2 using

34 Format for Chip

35 Volume Volume Control Set volume level using incoming byte

36 Balance Balance Left/Right

37 Mic-echo

Class Command Name Function

Format for DSDI1 Select format for digital input source1 using

format & Input

incoming byte

Configuration

incoming byte

incoming byte Define Input Configuration & Control Interrupt using

Control

incoming byte

0 x 00: max level, 0 x 6d: min level Set left/right balance level using incoming byte

Control

Balance left: 0 x 00 (min) to 0 x 6d (max) Balance right: 0 x 80 (min) to 0 x ed (max)

Mic-echo scale Select mic-echo delay using incoming byte

scale

0 x 01 (min delay) to 0 x 05 (max delay)

38 Equalizer

Tone Level

Control

Band0 Tone Level Set band0 tone level in 3/5/7-band mode using

incoming byte 0 x 00 (min level) to 0 x 18 (max level)

39 Band1 Tone Level Set band1 tone level in 3/5/7-band mode using

incoming byte

3a Band2 Tone Level Set band2 tone level in 3/5/7-band mode using

incoming byte

3b Band3 Tone Level Set band3 tone level in 5/7-band mode using

incoming byte

3c Band4 Tone Level Set band4 tone level in 5/7-band mode using

incoming byte

3d Band5 Tone Level Set band5 tone level in 7-band mode using

incoming byte

3e Band6 Tone Level Set band6 tone level in 7-band mode using

incoming byte

3f Reserved for Host Test

Page 57

AUDIO EFFECT PROCESSOR S5A1901H02

Class Function

(Hex)

41 42 43

45 46

control

Built-in ADC & DSDI2 Set input gain value for built-in ADC & DSDI2 using

incoming two bytes

DSDI1 Input Gain Value

48 Output Gain DSDO1 Output Gain

Value bytes

for

User Defined

G0 Set left input gain using incoming 2 bytes G1 Set right input gain using incoming two bytes BL0 Set left prefilter coeff. using incoming two bytes

(see Block

Diagram in

BL1

4e BR0

4f BR1

AR1 51 Set left term gain using incoming two bytes 52 Set right term gain using incoming two bytes 53 Set feedback term gain using incoming two bytes 54 Set postfilter coeff. using incoming two bytes 55 56 AD1

G5 Set left delay gains using incoming two bytes

G6 59 5a G8

G9 5c 5d G11

Page 58

S5A1901H02 AUDIO EFFECT PROCESSOR

Command Code

(Hex)

5e Parameters

5f G13 Set left original term gain using incoming two bytes 60 G14 Set right delay gains using incoming two bytes 61 G15 62 G16 63 G17 64 G18 65 G19 66 G20 67 G21 Set right effected term gain using incoming two

68 G22 Set right original term gain using incoming two

69 T0 Set delay buffer pointer using incoming two bytes 6a Tc 6b T1

Class Command Name Function

G12 Set left effected term gain using incoming two

for User

bytes

Defined Mode

(see Block Diagram in Chapter 3)

bytes

(Delay pointer should follow inequality: 0 x 1800 > T0 > T7 > T6 > T5 > T4 > T3 > T2 > T1)

6c T2 6d T3 6e T4

6f T5 70 T6 71 T7

Page 59

AUDIO EFFECT PROCESSOR S5A1901H02

NOTIFICATION FOR MICROCONTROLLER PROGRAMMING Fade-in/ Fade-out:

To avoid noise due to abrupt change of signal, hardware configuration or filter coefficients, the fade-out and fade-in processes in the S5A1901H02 happen in following situations.

• Change sound mode

• Change equalizer mode

• Change hardware configuration related to “Digital data format and Input configuration”.

• Change “Source selection in Karaoke mode I”

• “Vocal Canceller” is turned on or off

• “Loudness Function” is turned on or off

• “Mixing Function” is turned on or off

• “Bypass On-chip Function” is turned on or off

• “Output channel selection” is turned into reversion from normal, or vise versa. The time for finishing fade-out and fade-in processes needs about 0.9 ms for sound mode change and about 0.4

ms for other cases. Note that the S5A1901H02 denies process of any function received from microcontroller during fade-out or fade-in process.

Sound Mode Selection:

• When one of Karaoke modes is selected, “Bypass On-chip Function” or “Mixing Function” is automatically turned off if one of them is turned on and “Source selection in Karaoke I” is set to normal. Thus, the microcontroller should change the status of “Mixing Function”, “Bypass On-chip Function” and “Source selection in Karaoke I” at this time. Note that “Source selection in Karaoke I” can be inverted only in Karaoke mode I.

Equalizer Mode Selection:

• Equalizer modes and loudness function are exclusive, and thus, equalizer mode cannot be selected while loudness function is working. To select equalizer mode, the loudness function should be turned off first.

Vocal Canceller:

• Movie modes do not work with this function. In S5A1901H02, this function is ignored in one of Movie modes. Thus, if the sound mode is one of Movie modes, the microcontroller dose not make this function to be selected.

Page 60

S5A1901H02 AUDIO EFFECT PROCESSOR

Flowchart for initialization:

After reset, at least

10ms required for

hardware initialization

Reset

Only when using

digital ports

Command: 0xe0 (ADC on), 0xe1 (DSIU1 on), 0xe2 (DSIU2 on), 0xe3 (ADC & DSIU1 on), 0xe4 (DSIU1 & DSIU2 on)

Command: 0x18 (3-band) 0x19 (5-band) 0x1a (7band) 0x1b (Defeat)

Mute

Set Digital Data Formats

Input Source Selection

Sound Mode Selection

Equalizer Mode Selection

Command: 0x27

Command: 0x05 (No Effect Mode) 0x06 (Stereo Emulation I) 0x07 (Stereo Emulation II) 0x08 (Super Woofer I) 0x09 (Super Woofer II) 0x0a (Super Woofer III) 0x0b (Hall I) 0x0c (Hall II) 0x0d (Stage) 0x0e (Arena I) 0x0f (Arena II) 0x10 (News/ Drama) 0x11 (Karaoke I) 0x12 (Karaoke II) 0x13 (User Defined Mode) 0x14 (Movie I) 0x15 (Movie II)

Command: 0x38 + parameter (band0) 0x39 + parameter (band1) 0x3a + parameter (band2) 0x3b + parameter (band3) 0x3c + parameter (band4) 0x3d + parameter (band5) 0x3e + parameter (band6)

parameter: 0x00 (-12dB) ~ 0x18 (+12dB)

Tone Control

Volume Control

Command: 0x35 + parameter parameter: 0x00 (0dB) ~ 0x6d (-infdB)

Page 61

AUDIO EFFECT PROCESSOR S5A1901H02

ELECTRICAL CHARACTERISTICS

Absolute Maximum Ratings

Characteristics Symbol Value Unit

DC Supply Voltage V DC Input Voltage V Storage Temperature T Operating Temperature T

stg

− 0.3 − +7.0 V

− 0.3 − VDD + 0.3 V

− 40 − + 125 °C

− 40 − + 110 °C

Recommended Operating Conditions

Characteristics Symbol Value Unit

DC Supply Voltage V DC Input Voltage V Commercial Temperature T

4.75 − 5.25 V 0 − V

0 − +70 °C

Industrial Temperature −20 − +85 °C

Page 62

S5A1901H02 AUDIO EFFECT PROCESSOR

DC Characteristics (VDD = 4.75 ~ 5.25 V, Ta = 0 ~ 70 °C)

Characteristics Symbol Condition Min. Typ. Max. Unit

High Level Input Voltage V Low Level Input Voltage V Schmitt trigger, positive-

going threshold Schmitt trigger, negative-

going threshold High Level Input Current I

Low Level Input Current I

High Level Output

Voltage Low Level Output Voltage V

Operating Current I Static Current I

T+

CMOS 0.7 V

CMOS − − 0.3 V

− − V

CMOS − − 4.0 V

CMOS 1.0 − − V

T-

VIN = V

− 10 10 µA

(Input Buffer) VIN = V

− 0.3 0.9 mA

(with pull-down) VIN = V

− 10 10 µA

(Input Buffer) VIN = V

− 100 − 50 − 10 µA

(with pull-up) IOH = -1mA 2.4 − − V

IOL = 1mA − − 0.4 V XI = 16.9344MHz 120 150 mA

All input/ Bidirection pins = V

1.5 10 mA

except RESB, MCLK, HWEB,CLKS

Operating Frequency F

OSC

CLKS = 0 XI = 16.9344MHz

±5 %

Page 63

AUDIO EFFECT PROCESSOR S5A1901H02

Codec Analog Characteristics

Parameter Min Typ Max Unit

Sampling Rate (Fs) Over Sampling Rate Master Clock Frequency ADC Resolution DAC Resolution Passband Stopband Common Mode Voltage

Signal to Noise Ratio

i. measured from low pass filter (30KHz cutoff) output

4 44.1 50 KHz

− 128 − Fs

− 256 − Fs

− 16 − bits

0 − 0.4 Fs Hz

0.4 Fs − 0.6 Fs Hz

2.0 2.25 2.45 V

− 80 − dB

Page 64

S5A1901H02 AUDIO EFFECT PROCESSOR

System Clock and Reset

(16.9344MHz)

MCLK

(33.8688MHz)

TXIR TXIF

CLKO

(11.2896MHz)

MCLK

(33.8688MHz)

TXIRO TXIFO

X-tal Oscillator SYSTEM CLOCK(CLKS=0)

TCLKL TCLKH

RESB TRESB

AC Characteristics Symbol Min. Typ. Max. Unit

XI Rise Edge to MCLK T XI Fall Edge to MCLK T XI Rise to CLKO T XI Fall to CLKO T External Clock High Width T External Clock Low Width T External Clock Rise Time T External Clock Fall Time T Reset Pulse Width T

TR TF

External SYSTEM CLOCK(CLKS=1)

SYSTEM RESET

Figure 31.

XIR

XIF

XIRO

XIFO

CLKH

CLKL

RESB

− 10 − ns

− 11 − ns

− 12 − ns

− 13 − ns

− 14.75 − ns

− − 2 ns

22.6 − − µs

Page 65

AUDIO EFFECT PROCESSOR S5A1901H02

Host Interface Timing Diagram

WEBS

HCLKL

HCLKH

HWEB

HCLK

HDATA

HDATASTHDATAH

AC Characteristics Symbol Min. Typ. Max. Unit

HWEB Setup to First HCLK Edge T HWEB Hold to Last HCLK Edge T HCLK Pulse Width High T HCLK Pulse Width Low T HDATA Input Setup Time T HDATA Input Hold Time T HWEB Wait Time T

WEBS

WEBH

HCLKH

HCLKL

HDATAS

HDATAH

WAIT

Figure 32.

50 − − ns 50 − − ns

1.25 − − µs

1.25 − − µs 50 − − ns 50 − − ns

1 − − ms

HWEBH

WAIT

Page 66

S5A1901H02 AUDIO EFFECT PROCESSOR

Digital Audio Interface 1 Timing Diagram

BCKIL

LRCKIS

BCKIH

DLRCKI

DBCKI

DSDI

DSDISTDSDIH

AC Characteristics Symbol Min. Typ. Max. Unit

DLRCKI Setup to First DBCKI Edge T DLRCKI Hold to Last DBCKI Edge T DBCKI Pulse Width High T DBCKI Pulse Width Low T DSDI Input Setup Time T DSDI Input Hold Time T

LRCKIS

LRCKIH

DBCKIH

DBCKIL

DSDIS

DSDIH

Figure 33.

20 − − ns

20 − − ns 177 − 354 ns 177 − 354 ns

10 − − ns

LRCKIH

Page 67

AUDIO EFFECT PROCESSOR S5A1901H02

LRCKOS

BCKOL

BCKOH

DLRCKO

DBCKO

DSDO

DSDOSTDSDOH

AC Characteristics Symbol Min Typ Max Unit

DLRCKO Setup to First DBCKO Edge T DLRCKO Hold to Last DBCKO Edge T DBCKO Pulse Width High T DBCKO Pulse Width Low T DSDO Output Setup Time T DSDO Output Hold Time T

LRCKOS

LRCKOH

DBCKOH

DBCKOL

DSDOS

DSDOH

Figure 34.

LRCKOH

20 − − ns

20 − − ns 177 − 354 ns 177 − 354 ns

10 − T

− 10 ns

BCKOL

BCKOH

Page 68

S5A1901H02 AUDIO EFFECT PROCESSOR

APPLICATION CIRCUIT DIAGRAM

1. AUDIO

68P

16.9344MHZ

CRYSTAL

C4 C0.1uF

CTSDI74CTPWDN

DS276GND1177VDD1178EBC79PDC

4.7UF

C14

100UF

R1 ohm(1/4W)

R18 R1(1/4W)

2.7K

C5 C0.1uF

CTEST

DTEST

TCSEL0

TCSEL1

GND12

VDD12

TUPD

TCLK

TSEN

TIDR

CTRAPFI

CTLAPFI

RESB

VCC1

VSS1

VREFI

VREF

ARI

ALI

100

VCC2

C18 100UF

4.7UFC19

GND13

VDD13

GND0

VDD0

VSS2

EB158EB149EB1310EB12

ALO

AR0

C0.1uF

4.7UFC20

R2 10K

10K

330pF

10UF

C15 330pF

ZD1

5.6V

C11

R19 1K

R20 1K

10UF

C12

ZD2

5.6V

10UF

VDD965GND966XO67XI68CLKS69MCLK70VDD1071GND1072CMCLKS

KD16901

S5A1901H02

GND1

GND2

VDD1

VDD2

EB1114EB10

EB916EB8

C16

VDD857GND858HACK59TINT160CTSDO61SPWDN62TODR63CLKO

DLRCKI1

EB720EB621EB522EB423EB324EB225EB126EB0

R10

2.7K

VDD752GND753DSDI154DBCKI1

GND3

VDD3

DLRCKO1

DBCKO1

DLRCKO2

DBCKO2

DLRCKI2

DBCKI2

SAS

DSDO1

DSDO2

GND6

VDD6

DSDI2 GND5

VDD5

GND4

VDD4

HDATA

HWEB

HCLK

SDA

HMS

C0.1uF

48 47 46 45 44 43 42 41 40 39 38 37

SCL

36 35 34 33 32 31

NC11NC2212VDC3LIN4RIN5AGND65VDC7SDA8SCL9DGND10LOUT11ROUT

CNS01-12P

U2A

4558

8 4

VEE

1 Ohm(1/4W)R15

C23 100UF

C26

C27 10UF

10UF

R13 300

4.7UF

C24

R16

R300

R17 R300

R12

7.5K

KA22686

LIN

PSN1

PSN2

PSN3

PSN4

PSN5

PSN6

VCC

LPF1

SCL

SDA

VSS

WOOC

VOLC

BALC

Ka22686

VBLAS

WOUT

REOUT

LIOUT

RIOUT

OFCL

LOUT ROUT OFCR

BA.R TR.R

WNF

GND TR.L BA.L

RIN

+12VDC

32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17

8 4

C25 10UF

U2B

4558

VEE+12VDC

R14 300

R11

7.5K

22UFC21

10UFC22

Figure 35.

Page 69

AUDIO EFFECT PROCESSOR S5A1901H02

APPLICATION CIRCUIT DIAGRAM

2. KARAOKE

DVCC

C12 470PF

AVCC

RESB

C4 10UF

C27 C0.1uF

AVCC

DBCKI1 DLRCKI1

81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99

100

C24

2.2nF

10UF C25

GND

VCC

DSDI1

CTEST DTEST TCSEL0 TCSEL1 GND12 VDD12 TUPD TCLK TSEN TIDR CTRAPFI CTLAPFI RESB VCC1 VSS1 VREFI VREF ARI ALI VCC2

ALO

R11 R1K

LOUTJ6ROUT

AR0

VSS2

10UF

VDD13

2.2nF

C25

DS276GND1177VDD1178EBC79PDC

GND13

VDD0

C24

C27 C0.1uF

CTSDI74CTPWDN

GND0

EB158EB149EB1310EB12

39P

16.9344MHZ

R2 1M

VDD965GND966XO67XI68CLKS69MCLK70VDD1071GND1072CMCLKS

KD16901A

S5A1901H02

GND1

GND2

VDD1

VDD2

EB1114EB10

EB916EB8

C27

0.1uF

C27 C0.1uF

VDD857GND858HACK59TINT160CTSDO61SPWDN62TODR63CLKO64DLRCKI1

EB720EB621EB522EB423EB324EB225EB126EB0

C27

0.1uF

VDD3

VDD752GND753DSDI154DBCKI1

GND3

DLRCKO1

DBCKO1

DSDO1

DLRCKO2

DBCKO2

DSDO2

GND6 VDD6

DLRCKI2

DBCKI2

DSDI2 GND5 VDD5

GND4 VDD4

HDATA

HWEB

HCLK

SAS

SDA SCL

HMS

50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31

MICOM

JP2 HOST SEL

DVCC

123

C27

0.1uF

C27

C0.1uF

I2C

R2.7K

DVCC

R8 R2.7K

SDA

SCL

HDATA

HWEB

HCLK

HOST COMMAND

R10 R1 ohm

C26 100UF

RESB

DVCC

MIC JACK

POWER

R3 200K

C0.47uF

R4 R150

2 1 3

C0.01uF

VREFI VREF

2 3

AVCC

U3A NE5532

JP1

1 2 3

HEADER 3

AUDIO IN

J3 RIN

J4 LIN

300R

2.2nF

DVCC

JK1 DC JACK

C30

C7 1UF

470PF

R300

0.1UF

RESB

0.33UF

DVCC

AVCC

C10

C13

C16

470PF

4.7UF

C20

2.2nF

RESET

C32

C3 10UF

U1 AD1877_ADC

LRCK

WCLK

BCLK

DVDD1

DGND1

RDEDGE

S/MB

384/256B

AVDD

VINL

CAPL1

CAPL2

AGND VREFL14VREFR

C17

0.1UF

C19

C18 10UF

R300

R10

U2 LM7805CT

IN1OUT

MSBDLYB

C18 47UF

0.1UF

0.47UF

C21

GND

CLKIN

TAG

SOUT DVDD2 DGND2

RESETB

RLJUST

AGND

VINR CAPR1 CAPR2 AGNDR

C14

0.1UF

VREFI

C24 C2.2nF

C31

0.1UF

28 27

DVCC

26 25 24 23 22

1UF

20 19 18 17 16 15

C11

C15C9

470PF

4.7UF

VREF

10UF

C18

100UFC26

R10

R1 ohm

Figure 36.

Page 70

S5A1901H02 AUDIO EFFECT PROCESSOR

NOTES