SAA7346H 데이터 시트보기 (PDF) - Philips Electronics

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SAA7346H

Shock absorbing RAM addresser

Philips Electronics 

Philips Semiconductors

Shock absorbing RAM addresser

Preliminary specification

SAA7346

PINNING

SYMBOL

CFLG

KILL

SCLI

WCI

SDI

CONFIG

CLKIN

TMS

OTD

RCD2

SSD

RSB

S_NSF

RESET

SIDA

SICL

SILD

FILL

KILLOUT

SDO

SCLO

WCO

VDD1

VSS1

A4

A3

A5

A2

A6

A1

A7

A0

A8

A9

OE

RAS

CAS

WE

PIN

DESCRIPTION

1 correction flag input from CD decoder

2 kill input

3

multi-speed I2S bit clock input

4

multi-speed I2S word clock input

5

multi-speed I2S data input

6 external DRAM select input; HIGH 4 Mbit, LOW 1 Mbit

7 16.9344 MHz system clock input

8 test mode select input; active HIGH

9 on/off track detector input

10 DRAM read cycle divide-by-2 input; active HIGH

11 shock detected output; active HIGH when shock is detected

12 rotational shock busy output; active HIGH when rotational shock is detected

13 synthetic new subcode frame output

14 reset enable input; active LOW

15 microcontroller interface input/output data line

16 microcontroller interface clock input

17 microcontroller interface read/write input

18 FIFO write enable output; active HIGH

19 open drain output; active LOW; when in by-pass mode KILLOUT equals KILL

20 I2S data output

21 I2S bit clock output

22 I2S word clock output

23 supply voltage 1

24 supply ground 1

25 DRAM address bus output 4

26 DRAM address bus output 3

27 DRAM address bus output 5

28 DRAM address bus output 2

29 DRAM address bus output 6

30 DRAM address bus output 1

31 DRAM address bus output 7

32 DRAM address bus output 0

33 DRAM address bus output 8

34 DRAM address bus output 9

35 DRAM enable output; active LOW

36 DRAM row address strobe output; active LOW

37 DRAM column address strobe output; active LOW

38 DRAM write enable output; active LOW

July 1994

4

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