APC5890 데이터 시트보기 (PDF) - APLUS INTEGRATED CIRCUITS

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APC5890

APC5890 DE-COMPRESSION VOICE IC

APLUS INTEGRATED CIRCUITS 

APLUS INTEGRATED CIRCUITS INC. APC5890

PIN NAME

I/O

RESET

I

PWM1,PWM2

O

DAC

O

XOSC1

I

XOSC2

O

CAP

I

PA0-PA7

I/O

PA8-PA12

IO

PA13/ADC

I/O

PA14

I/O

PA15

I/O

PB0-PB5/BANK3-BANK8 O

PB6/EMEMRD

O

PB7/EXTRAM

O

PB8/EMEMWRL

O

PB9/EXTIRQ

I/O

PB10/EMEMWRH

O

PB11/EXTROMCS

I/O

PC/EMEMAD

I/O

ALE

O

VDD1-VDD4

I

GND1-GND4

I

PLLVDD,PLLGND

I

DACVDD,DACGND

I

DESCRIPTION

RESET INPUT. ACTIVE LOW.

PWM OUTPUT.

OUTPUT FROM D/A CONVERTER.

CRYSTAL OSCILLATOR INPUT PIN.

CRYSTAL OSCILLATOR OUTPUT PIN.

CAPACITOR FOR PLL CIRCUIT.

I/O PORT_A PIN 0 TO 7.

ALSO AS EXTERNAL INTERRUPT SOURCE

(FALL EDGE TRIGGER).

I/O PORT_A PIN 8 TO 12.

I/O PORT_A PIN 13 OR ANALOG SIGNAL INPUT.

I/O PORT_A PIN 14

I/O PORT_A PIN 15

PORT_B OR EXTERNAL MEMORY BANK SELECT

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).

PORT_B PIN 9 OR EXTERNAL IRQ INPUT PIN

(RISE EDGE TRIGGER).

PORT_B PIN 10 OR EXTERNAL RAM HIGH BYTE WRITE

(ACTIVE LOW)

PORT_B PIN 11 ROM SELECT OR EXTERNAL ROM CHIP

SELECT (ACTIVE LOW)

PC:16 BITS PROGRAMMABLE IO PORTS.

EMEMAD: EXTERNAL MEMORY ADDRESS/DATA.

IF IT IS ADDRESS THEN

EMEMA0~EMEMA12 IS A1~A13.

EMEMA13~EMEMA15 IS BANK0~BANK2.

EXTERNAL MEMORY ADDRESS LATCH ENABLE.

DIGITAL POWER INPUT.

DIGITAL GROUND.

POWER AND GROUND FOR PLL CIRCUIT.

POWER AND GROUND FOR DAC CIRCUIT.

4. ADDRESS ARRANGEMENT :

www.aplusinc.com.tw

3

TEL : 886-2-2782-9266

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