Rainbow Electronics APC5860 User Manual

APLUS INTEGRATED CIRCUITS INC. APC5860

APC5860 DE-COMPRESSION VOICE IC

1. CHIP FEATURES.

z DUAL OPERATION FREQUENCIES:

- 32.768 KHZ & 0.5 SECOND TIMER INTERRUPT.

- BUILT-IN PLL CIRCUIT TO GENERATE SYSTEM CLOCK MAX 20MHZ.

z BUILT-IN 2KBYTES(1K*16) RAM.
z ADDRESS UP TO 8MBYTE(4M*16) RAM OR ROM OR “ROM AND RAM”

BUILT-IN 16KBYTE(8K*16) PROGRAM ROM AND 1M BYTE(512K*16) DATA ROM

z BUILT-IN DECOMPRESSION ENGINE

THE VOICE AND MUSIC DE-COMPRESSION RATE IS AS THE FOLLOWS:

- 3.6KBIT/SEC - 4.8KBIT/SEC - 6.0KBIT/SEC - 7.2KBIT/SEC - 8.4KBIT/SEC - 9.6KBIT/SEC -

10.8KBIT/SEC - 12.0 KBIT/SEC - 13.2 KBIT/SEC - 14.4 KBIT/SEC

DE-COMPRESSION

RATE

VOICE DURATION

DE-COMPRESSION

RATE

VOICE DURATION

3.6 K BIT/SEC 37.93 min. 9.6 K BIT/SEC 14.22 min.

4.8 K BIT/SEC 28.44 min. 10.8 K BIT/SEC 12.64 min.

6.0 K BIT/SEC 22.76 min. 12.0 K BIT/SEC 11.38 min.

7.2 K BIT/SEC 18.96 min. 13.2 K BIT/SEC 10.34 min.

8.4 K BIT/SEC 16.25 min. 14.4 K BIT/SEC 9.48 min.

THE MUSIC DE-COMPRESSION RATE IS AS THE FOLLOWS:

DE-COMPRESSION

RATE

10 K BIT/SEC
12 K BIT/SEC
14 K BIT/SEC
16 K BIT/SEC

VOICE DURATION

13.65 min.

11.38 min.

9.75 min.

8.53 min.

DE-COMPRESSION

RATE

18 K BIT/SEC
20 K BIT/SEC
22 K BIT/SEC
24 K BIT/SEC

VOICE DURATION

7.59 min.

6.83 min.

6.21 min.

5.69 min.

z BUILT-IN 12 BITS D/A, 8 BITS ADC.
z I/O PORTS

16 I/O PINS FOR PORT A.
12 OUTPUT FOR PORT B.
16 I/O PINS FOR PORT C.

www.aplusinc.com.tw TEL : [phone]

1

APLUS INTEGRATED CIRCUITS INC. APC5860

z TWO 16BITS TIMERS : TIMER_A AND TIMER_B.
z WATCHDOG TIMER.
z SLEEP MODE : CRYSTAL & SYSTEM

2. BLOCK DIAGRAM.

www.aplusinc.com.tw TEL : [phone]

2

APLUS INTEGRATED CIRCUITS INC. APC5860

.

2. PIN DESCRIPTION :

PIN NAME I/O DESCRIPTION

RESET I RESET INPUT. ACTIVE LOW.

PWM1,PWM2 O PWM OUTPUT.

DAC O OUTPUT FROM D/A CONVERTER.
XOSC1 I CRYSTAL OSCILLATOR INPUT PIN.
XOSC2 O CRYSTAL OSCILLATOR OUTPUT PIN.

CAP I CAPACITOR FOR PLL CIRCUIT.

PA0-PA7 I/O

PA8-PA12 IO I/O PORT_A PIN 8 TO 12, INTERNAL PULL HIGH.
PA13/ADC I/O I/O PORT_A PIN 13 OR ANALOG SIGNAL INPUT, INTERNAL PULL LOW.

PA14 I/O I/O PORT_A PIN 14, INTERNAL PULL HIGH.
PA15 I/O I/O PORT_A PIN 15, INTERNAL PULL HIGH.

PB0-PB5/BANK3-BANK8

O PORT_B OR EXTERNAL MEMORY BANK SELECT

PB6/EMEMRD O

PB7/EXTRAM O

PB8/EMEMWRL I/O

PB9/EXTIRQ I/O

PB10/EMEMWRH O

I/O PORT_A PIN 0 TO 7. ALSO AS EXTERNAL INTERRUPT
SOURCE.(FALL EDGE TRIGGER), INTERNAL PULL HIGH.

PORT_B PIN 6 OR EXTERNAL RAM READ

(ACTIVE LOW).

PORT_B PIN 7 OR EXTERNAL RAM SELECT PIN

(ACTIVE LOW)
Port_b pin 8 or External RAM low byte write(Active Low),
Input,at reset cycle, output at normal cycle, internal pull high.
Port_b pin 9 or External IRQ input pin(rise edge trigger),
Inputat reset cycle, output at normal cycle, internal pull low.
Port_b pin 10 or External RAM high byte write(Active Low)
,Input at reset cycle, output at normal cycle, Internal pull low
PORT_B PIN 11 ROM SELECT OR EXTERNAL ROM CHIP SELECT

PB11/EXTROMCS I/O

ACTIVE LOW), INPUT AT RESET CYCLE, OUTPUT AT NORMAL

OPERATION CYCLE

, INTERNAL PULL HIGH.

EMEMAD: External memory Address/Data

PC/EMEMAD

If it is address then EMEMA0~EMEMA12 is A1~A13.

I/O

EMEMA13~EMEMA15 is BANK0~BANK2.
External memory address latch enable. Input at reset cycle,

ALE O

output at normal operation cycle, internal pull high.

VDD1-VDD4 I DIGITAL POWER INPUT.

GND1-GND4 I DIGITAL GROUND.

PLLVDD,PLLGND I POWER AND GROUND FOR PLL CIRCUIT.

DACVDD,DACGND I POWER AND GROUND FOR DAC CIRCUIT.

www.aplusinc.com.tw TEL : [phone]

3