AV2002V 데이터 시트보기 (PDF) - Integrated Circuit Systems

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AV2002V

Wavedec™ Digital Audio Codec

Integrated Circuit Systems 

ICS2002

Pin Descriptions

PIN

SD15 - SD0

SA1 - SA0

CS

IOW

IOR

SBHE

IOCS16

DRQP

DRQR

DACKP

DACKR

TC

IRQ

RESET

XTLI

XTLO

PWRDN

AUDIOIN

ADCIN

DACOUT

BUFIN

BUFOUT

VDD

VDDA

VDDP

VSS

VSSA

VSSP

TYPE

I/O

I

I

I

I

I

OC

O

O

I

I

I

O

I

I

O

I

AI

AO

AO

AI

AO

P

P

P

P

P

P

DESCRIPTION

Data bus

Address

Chip select (active low)

Write strobe (active low)

Read strobe (active low)

System High Byte Enable (active low)

Indicates that the access register can support 16 bit transfer.

DMA Request (play channel)

DMA Request (record channel)

DMA Acknowledge (play channel)

DMA Acknowledge (record channel)

DMA terminal count

Interrupt request (active high, open drain)

Reset (active high)

Crystal oscillator

Crystal oscillator

Power-down (active low)

Audio buffer input

Audio buffer output/input to ADC

DAC audio output

Uncommitted audio buffer input

Uncommitted audio buffer output

Digital +5V supply

Analog +5V supply

Digital +5V supply

Digital GND

Analog GND

Digital GND

2

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