SANYO LC72323-XXXX Datasheet

Overview

The LC72323-XXXX is a single-chip car audio system electronic tuning controller that supports detachable function block systems. This product supports reception in all areas of the world and include PLL, LCD driver and electronic volume/tone control support circuits on chip.

Features

• Support for reception of the European FM, MW and LW bands and the FM and AM bands used in the US, Australia, the Middle and Near East and South America

• Support for electronic volume/tone controls (bass, treble, balance and fader) using the LC75371M

• VF seek and auto retune functions (Europe)

• Support for IF counting techniques in all bands

• Automatic memory function in station strength order (FM band)

• Loudness control

• CD functions — Key inputs — CD indicator display function

• Tape functions — Tape indicator display function — Dolby, APSS and metal tape controls

• Clock function with 24-hour display for Europe and 12-hour display for other reception areas

• Single 5 V power supply

• Package: QFP80E (QIP80E)

• Telephone mute function

• LED blinking function

Package Dimensions

unit: mm

3174-QFP80E

CMOS LSI

13097HA (OT)/73195TH (OT) No. 4934-1/27

Preliminary

SANYO: QIP80E

[LC72323-XXXX]

SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN

Provisional Development Specifications

LC72323-XXXX

Ordering number : *EN4934A

This LSI can easily use CCB that is SANYO’s original bus format.

• CCB is a trademark of SANYO ELECTRIC CO., LTD.

• CCB is SANYO’s original bus format and all the bus addresses are controlled by SANYO.

No. 4934-2/27

LC72323-XXXX

Parameter Symbol Conditions Ratings Unit

Maximum supply voltage V

DD

max –0.3 to +6.5 V

Input voltage

V

IN

(1) HOLD, TELIN, RES, SNS, ADI, SD, ST, SK, DK –0.3 to +13 V

V

IN

(2) Inputs other than VIN(1) –0.3 to VDD+ 0.3 V

Output voltage

V

OUT

(1) BEEP, BAND2, BAND1, POWER –0.3 to +15 V

V

OUT

(2) Outputs other than V

OUT

(1) –0.3 to VDD+ 0.3 V

I

OUT

(1)

AMUTE, LEDFL, DI/KS9, CLK/KS8, BEEP, BAND2,

0 to 5 mA

Output current

BAND1, POWER

I

OUT

(2) DOLBY, METAL, APSS, LOUDNESS, LOCAL, STEREO 0 to 3 mA

I

OUT

(3) KS0, KS1, KS2, KS3, KS4, KS5, KS6, CE/KS7 0 to 1 mA Allowable power dissipation Pd max Ta = –40 to +85°C 300* mW Operating temperature Topr –40 to +85 °C Storage temperature Tstg –45 to +125 °C

Specifications

Absolute Maximum Ratings at Ta = 25°C, VSS= 0 V

Note: * Reference value

Parameter Symbol Conditions

Ratings

Unit

min typ max

V

DD

(1) With the CPU and PLL operating 4.5 5.5 V Supply voltage V

DD

(2) CPU operating 3.5 5.5 V

V

DD

(3) Memory retention 1.3 5.5 V

V

IH

(1) SK, DK, SD, ST 0.7 V

DD

8.0 V

V

IH

(2) RES, INT, HOLD 0.8 V

DD

8.0 V

Input high level voltage V

IH

(3) SNS 2.5 8.0 V

V

IH

(4) K0, K1, K2, K3 0.6 V

DD

V

DD

V

V

IH

(5) TAPE, TAPERUN 0.7 V

DD

V

DD

V

V

IL

(1) SK, DK, SD, ST 0 0.3 V

DD

V

V

IL

(2) RES, INT 0 0.2 V

DD

V

Input low level voltage

V

IL

(3) SNS 0 1.3 V

V

IL

(4) K0, K1, K2, K3 0 0.2 V

DD

V

V

IL

(5) TAPE, TAPERUN 0 0.3 V

DD

V

V

IL

(6) HOLD 0 0.4 V

DD

V

F

IN

(1) XIN 4.0 4.5 5.0 MHz

F

IN

(2) FM OSC, VIN(2), VDD(1) 10 130 MHz

Input frequency F

IN

(3) AM OSC, VIN(3), VDD(1) 0.5 10 MHz

F

IN

(4) FMIF, VIN(4), VDD(1) 0.4 12 MHz

F

IN

(5) AMIF, VIN(4), VDD(1) 100 500 kHz

V

IN

(1) XIN 0.50 1.5 Vrms

Input amplitude

V

IN

(2) FM OSC 0.10 1.5 Vrms

V

IN

(3) AM OSC 0.10 1.5 Vrms

V

IN

(4) FMIF, AMIF 0.10 1.5 Vrms

Input voltage range V

IN

(5) ADI 0 V

DD

V

Allowable Operating Ranges at Ta = –40 to +85°C, VDD= 3.5 to 5.5 V

No. 4934-3/27

LC72323-XXXX

Parameter Symbol Conditions

Ratings

Unit

min typ max

Power down detection voltage VDET 2.7 3.0 3.3 V

IIH(1)

TELIN, HOLD, RES, ADI, SNS, SK, DK, SD, ST:

3.0 µA

V

I

= 5.5 V

Input high level current

I

IH

(2) XIN: VI= VDD= 5.0 V 2.0 5.0 15 µA

I

IH

(3) FM OSC, AM OSC, FMIF, AMIF: VI= VDD= 5.0 V 4.0 10 30 µA

I

IH

(4) K0, K1, K2, K3: VI= VDD= 5.0 V 50 µA

I

IH

(5) TAPE, TAPERUN: VI= V

DD

3.0 µA

I

IL

(1)

TELIN, HOLD, RES, ADI, SNS, SK, DK, SD, ST:

3.0 µA

V

I

= V

SS

Input low level current

I

IL

(2) XIN: VI= V

SS

2.0 5.0 15 µA

I

IL

(3) FM OSC, AM OSC, FMIF, AMIF: VI= V

SS

4.0 10 30 µA

I

IL

(4) TAPE, TAPERUN: VI= V

SS

3.0 µA

Input floating voltage VIF K0, K1, K2, K3 0.05 V

DD

V

Pull-down resistance RPD K0, K1, K2, K3: V

DD

= 5 V 75 100 200 kΩ

I

OFFH

(1) EO1, EO2: VO= V

DD

0.01 10 nA

KS0 to KS6, CE/KS7, CLK/KS8, DI/KS9, LEDFL,

Output off leakage current

I

OFFH

(2) AMUTE, LOUDNESS, APSS, METAL, DOLBY, 3.0 µA

STEREO, LOCAL: V

O

= V

DD

I

OFFH

(3) BAND1, BAND2, BEEP, POWER: VO= 13 V 5.0 µA

I

OFFL

(1) EO1, EO2: VO= V

SS

0.01 10 nA

Output off leakage current

KS0 to KS6, CE/KS7, CLK/KS8, DI/KS9, LEDFL,

I

OFFL

(2) AMUTE, LOUDNESS, APSS, METAL, DOLBY, 3.0 µA

STEREO, LOCAL: V

O

= V

SS

VOH(1) KS0 to KS6, CE/KS7: IO= 1 mA VDD– 2.0 VDD– 1.0 VDD– 0.5 V V

OH

(2)

LOUDNESS, APSS, METAL, DOLBY, STEREO,

VDD– 1.0 V

LOCAL: I

O

= 1 mA

Output high level voltage

V

OH

(3) EO1, EO2: IO= 500 µA VDD– 1.0 V

V

OH

(4) XOUT: IO= 200 µA VDD– 1.0 V

V

OH

(5) S1 to S28: IO= 0.1 mA VDD– 1.0 V

V

OH

(6) COM1, COM2: IO= 25 µA VDD– 0.75 VDD– 0.5 VDD– 0.3 V

V

OH

(7) AMUTE, LEDFL, CLK/KS8, DI/KS9: IO= 5 mA VDD– 1.0 V

V

OL

(1) KS0 to KS6, CE/KS7: IO= 50 µA 0.5 1.0 2.0 V

V

OL

(2)

LOUDNESS, APSS, METAL, DOLBY, STEREO,

1.0 V

LOCAL: I

O

= 1 mA

V

OL

(3) EO1, EO2: IO= 500 µA 1.0 V

Output low level voltage

V

OL

(4) XOUT: IO= 200 µA 1.0 V

V

OL

(5) S1 to S28: IO= 0.1 mA 1.0 V

V

OL

(6) AMUTE, LEDFL, CLK/KS8, DI/KS9: IO= 5 mA 1.0 V

V

OL

(7) COM1, COM2: IO= 25 µA 0.3 0.5 0.75 V

V

OL

(8) BAND1, BAND2, BEEP, POWER: IO= 5 mA

0.75 2.0 V

(150 Ω) (400 Ω)

Output mid-level voltage VM COM1, COM2, V

DD

= 5 V, IO= 20 µA 2.0 2.5 3.0 V

I

DD

(1) VDD(1), FIN(2) = 130 MHz 15 20 mA

I

DD

(2) VDD(2), PLL stopped, (hold mode, Figure 1) 1.0 mA

Current drain

I

DD

(3)

V

DD

= 5.5 V, oscillator stopped, Ta = 25°C

5 µA

(backup mode, Figure 2)

I

DD

(4)

V

DD

= 2.5 V, oscillator stopped, Ta = 25°C

1 µA

(backup mode, Figure 2)

Electrical Characteristics for the Allowable Operating Ranges

*1: K0, K1, K2, K3, TAPE, TAPERUN Note: BEEP, BAND2, BAND1, POWER, LOCAL, STEREO, DOLBY, METAL, APSS, LOUDNESS, AMUTE, LEDFL, DI/KS9, CLK/KS8, CE/KS7, KS0 to KS6

= “Open”

Figure 1 IDD(2) in Hold Mode

Note: With all ports other than those specifically mentioned left open

Figure 2 IDD(3) in Backup Mode

No. 4934-4/27

LC72323-XXXX

Unit (capacitance: F)

Unit (capacitance: F)

Pin Assignment

No. 4934-5/27

LC72323-XXXX

No. 4934-6/27

LC72323-XXXX

Reception Frequencies

Key and Diode Matrix

⇒ Tact switch ⇒ Diode switch

▲

Area Band Reciving frequency

Channel spacing

Reference

IF

IF count

Auto Manual

frequency tolerance

FM 87.5 – 108.0 MHz 50 kHz 50 kHz 25 kHz 10.7 MHz ±10 kHz

Europe 1 MW 531 – 1602 kHz

9 kHz

9 kHz 9 kHz

459 kHz

±3 kHz

LW 153 – 281 kHz 1 kHz 1 kHz ±0.6 kHz

Europe 2

MW 531 – 1602 kHz

9 kHz

9 kHz 9 kHz

459 kHz

±3 kHz

LW 153 – 281 kHz 1 kHz 1 kHz ±0.6 kHz

Europe 3

FM 87.5 – 108.0 MHz 50 kHz 50 kHz 25 kHz 10.7 MHz ±10 kHz AM 531 – 1602 kHz 9 kHz 9 kHz 9 kHz 459 kHz ±3 kHz

USA 1

FM 87.9 – 107.9 MHz 200 kHz 200 kHz 25 kHz 10.7 MHz ±10 kHz AM 530 – 1710 kHz 10 kHz 10 kHz 10 kHz 450 kHz ±3 kHz

USA 2

FM 87.9 – 107.9 MHz 200 kHz 200 kHz 25 kHz 10.7 MHz ±10 kHz AM 530 – 1710 kHz 10 kHz 10 kHz 10 kHz 450 kHz ±3 kHz

Middle east/

FM 87.9 – 107.9 MHz 100 kHz 100 kHz 25 kHz 10.7 MHz ±10 kHz

Australia 1

AM 531 – 1602 kHz 9 kHz 9 kHz 9 kHz 450 kHz ±3 kHz

Middle east/

/ FM 87.9 – 107.9 MHz 100 kHz 100 kHz 25 kHz 10.7 MHz ±10 kHz

Australia 2

AM 531 – 1602 kHz 9 kHz 9 kHz 9 kHz 450 kHz ±3 kHz

South America

FM 87.5 – 108.0 MHz 100 kHz 100 kHz 25 kHz 10.7 MHz ±10 kHz AM 520 – 1620 kHz 10 kHz 10 kHz 10 kHz 450 kHz ±3 kHz

K3 K2 K1 K0 KS0 MAN UP/T UP MAN DN/T DN STEREO DISP KS1 SEEK UP SEEK DOWN SCAN UP PS/AMEM KS2 M1 M2 M3 M4/METAL KS3 M5/DOLBY M6/APSS VF BAND KS4 V UP V DOWN LOUDNESS LOCAL KS5 CD MODE MUTE POWER KS6 AREA0 ▲ AREA1 ▲ AREA2 ▲ AREA3 ▲ KS7 COLON ▲ CD SEL ▲ DF SEL ▲ AUTO500 ▲ KS8 CLOCK ▲ IF0 ▲ PRIORITY ▲ FADER ▲ KS9 VR SEL ▲ POWSEL ▲ LEDSEL ▲ POWAMP ▲

No. 4934-7/27

LC72323-XXXX

Diode Switches

Diode matrix On/

Function

name off

These diodes set the target reception area. The target reception area and bands are determined by the following combinations.

COLON

0 Clock colon display selection set to always on. 1 Clock colon display selection set to blink at a1 Hz rate.

CD SEL

0 No CD function 1 CD function enabled

Double function key selection

DF SEL

AUTO500

0 The MAN UP/T UP and MAN DN/T DN key functions as the MAN UP/DN key 1 The MAN UP/T UP and MAN DN/T DN key functions as the T UP/DN key

CLOCK

0 Clock function enabled (24-hour display in Europe, 12-hour display in other reception areas) 1 No clock

IF0

0 Auto stop on SD only 1 Auto stop on SD and IF count

PRIORITY

0 Clock display takes priority 1 Frequency, tape and CD displays take priority

FADER

0 Fader function enabled 1 No fader function

VR SEL

0 Electronic volume/tone control functions enabled 1 No electronic volume/tone control functions

POWSEL

0 The power key turns the power on or off. 1 The HOLD pin turns the power on or off.

LEDSEL

0 LEDs flash when /HOLD is low. 1 LEDs do not flash when /HOLD is low.

POWAMP

0 The LC75371M input gain control data outputs +18 dB. 1 The LC75371M input gain control data outputs 0 dB.

AREA3 AREA2 AREA1 AREA0 Area Band

0 0 0 0 Europe 1 FM1/FM2/MW/LW 0 0 0 1 Europe 2 MW/LW 0 0 1 0 Europe 3 FM/AM 0 0 1 1 South America FM1/FM2/AM 0 1 0 0 USA 1 FM1/FM2/AM 0 1 0 1 USA 2 FM1/FM2/FM3/AM 0 1 1 0 Middle east/Australia 1 FM1/FM2/AM 0 1 1 1 Middle east/Australia 2 FM1/FM2/FM3/AM 1 0 0 0 Europe 1 FM1/FM2/FM3 1 0 0 1 Europe 3 FM 1 0 1 0 Europe 3 FM1/FM2/FM3/AM 1 0 1 1 South America FM1/FM2/FM3/AM 1 1 0 0 USA 1 FM1/FM2 1 1 0 1 USA 2 FM 1 1 1 0 Middle east/Australia 1 FM1/FM2 1 1 1 1 Middle east/Australia 2 FM

DFSEL Mode M4/METAL M5/DOLBY M6/APSS

0

RADIO M4 M5 M6 TAPE METAL DOLBY APSS

1

RADIO M4 M5 M6 TAPE — — —

AREA0 AREA1 AREA2 AREA3

No. 4934-8/27

LC72323-XXXX

Ports

Note: * See the item on double function key beep output.

Pin Name I/O Allocation Active Function Handling when unused

1 XIN I XIN — — 2 TEST2 I TEST2 — —

3 PG3 I SK H

Connect directly to ground.

Connect directly to

4 PG2 I DK H

ground.

5 PG1 I /SD L Must be used.

6 PG0 I /ST L

Connect directly to V

DD

.

7 PH3 O BEEP H Open

8 PH2 O BAND2 H Open

9 PH1 O BAND1 H Open

10 PH0 O /POWER L

Connect directly to ground.

11 PF3 O LOCAL H Open

12 PF2 O STEREO H Open

13 PF1 I /TAPE L

Connect directly to V

DD

.

14 PF0 I TAPE RUN —

Connect directly to ground.

15 PE3 O DOLBY H Open

16 PE2 O METAL H Open

17 PE1 O APSS H Open

18 PE0 O LOUDNESS H Open 19 PD3 O /AMUTE L Open

20 PD2 O LEDFL H Open 21 PD1 O DI/KS9 H 22 PD0 O CLK/KS8 H 23 PC3 O CE/KS7 H Open 24 PC2 O KS6 H 25 PC1 O KS5 H

26 to PC0 to

O KS4 to KS0 H

Open

30 PB0

32 to PA3 to

I K3 to K0 H

Connect directly to

35 PA0 ground.

36 to S28 to

O

S28 to

H Open

63 S1 S1

Connection for the 4.5 MHz crystal Connect to ground High: “SK” display on, low: “SK” display off

In bands other than the FM band, the SK display is always off regardless of whether this pin is high or low. An SK high search starts when the VF key is pressed. When an SD present state is detected, the circuit checks again after between 375 and 500 ms, and if the signal is high, it holds that frequency. After that, if a low level continues for 25 seconds, an auto retune operation starts. (sampling = 25 ms)

In VF mode and in either tape or CD mode, if a high level is input to this signal (if a high level is detected three times in a row at 25 ms intervals), the circuit switches to radio mode, and ARI broadcast reception becomes possible. Also, after a VF key on and an SK seek, DK is checked 2 s after an SK present state is recognized.

Output signal that reports station reception during auto tuning. Low: “STEREO” display on, high: “STEREO” display off

the STEREO display is turned off in bands other than the FM band regardless of the high or low state of this pin.

Monitors all keys and outputs a 50 ms 3 kHz pulse when any key is pressed. (A pull-up resistor is required.)*

These pin outputs change according to the table when either the BAND or VF key is pressed. (A pulll-up resistor is required.)

Outputs a low level in power on mode, high in power off mode. (A pull-up resistor is required.)

Outputs a low level in normal mode. Outputs a high level when the DX display is turned off in seek and scan modes.

The output is inverted when the stereo key is pressed in the FM band.

Detects a tape input. The “ ” indicator lights when high and the “ ” indicator lights

when low. High indicates that the Dolby indicator is on (only in tape mode) and a

low indicates that the Dolby indicator is off. High indicates that the metal indicator is on (only in tape mode) and a

low indicates that the metal indicator is off. High indicates that the “APSS” indicator is on (only in tape mode) and

a low indicates that the “APSS” indicator is off. High indicates that the loudness indicator is on and a low indicates

that the loudness indicator is off. Audio mute output The LEDs flash when /HOLD is low. (When LEDSEL is 0.) Connect to the LC75371M DI pin. Connect to the LC75371M CLK pin. Connect to the LC75371M CE pin. Diode matrix source output

Key matrix source output

Key & diode matrix return input

LCD segment output

BAND1 BAND2

VF H H

FM H L

MW L L

LW L H

Continued on next page.

No. 4934-9/27

LC72323-XXXX

Continued from preceding page.

Pin Name I/O Allocation Active Function Handling when unused

64 COM2 O COM2 H

Open

65 COM1 O COM1 H

Connect directly to

66 /INT I /TELIN L

V

DD

.

67 /HOLD I /HOLD L —

68 /RES I /RES L — 69 ADI I ADI —

Connect directly to ground.

70 HCTR I FMIF —

Connect directly to ground.

71 LCTR I AMIF —

Connect directly to ground.

72 /SNS I /SNS L

Connect directly to V

DD

.

73 V

DD

I V

DD

—

Connect directly to

Connect to +5 V.

V

DD

.

74 FMIN I FM OSC —

Connect directly to ground.

75 AMIN I AM OSC —

Connect directly to ground.

76 V

SS

I V

SS

— — 77 EO1 O EO1 — Open 78 EO2 O EO2 — Open

79 TEST1 I TEST1 —

Connect directly to ground.

80 XOUT O XOUT — Connection for the 4.5 MHz crystal —

LCD common output

When this pin is set low, “TEL” is displayed and the /AMUTE pin is set low. When PRIORITY is 0, “TEL” is displayed for 5 seconds and then the display returns to the clock display.

Used for detecting the power on/off state. When /HOLD goes low

• If the clock function is enabled: The clock count function operates without stopping the oscillator.

• If the clock function is disabled: The oscillator is stopped and the chip goes to the power save mode.

Connect to V

DD

.

Connect to the S METER pin. (max = 3.2 V)

Inputs the FM IF signal.

Inputs the AM IF signal.

Used for power supply detection.

FM local oscillator input

AM local oscillator input Connect to ground.

Phase comparator output Phase comparator output

Connect to ground.

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