SAA4970T Просмотр технического описания (PDF) - Philips Electronics

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SAA4970T

Economical video processing IC (ECOBENDIC)

Philips Electronics 

Philips Semiconductors

Economical video processing IC

(ECOBENDIC)

Preliminary specification

SAA4970T

PINNING

SYMBOL

TEST2

Pmirref

UO

VSSA

VO

VCC

YO

Vref

Iref

VrefH

R1

R2

PIP

CLMP

IE

WE

RE

VD

HD

RESET

BONE

HA

VA

ALE

IT1

IT2

WRN

RDN

AD7

AD6

AD5

AD4

AD3

AD2

AD1

AD0

YIN7

YIN6

YIN5

YIN4

1996 Oct 25

PIN

TYPE

1 input

2 input

3 output

4 ground

5 output

6 supply

7 output

8 supply

9 supply

10 supply

11 I/O

12 I/O

13 input

14 output

15 output

16 output

17 output

18 I/O

19 output

20 output

21 input

22 I/O

23 I/O

24 input

25 output

26 output

27 input

28 input

29 I/O

30 I/O

31 I/O

32 I/O

33 I/O

34 I/O

35 I/O

36 I/O

37 input

38 input

39 input

40 input

DESCRIPTION

test control

decoupling P-mirror reference

analog U output

analog ground (0 V)

analog V output

analog supply voltage (+5 V)

analog Y output

analog supply voltage reference D/A ladder HIGH

reference current

D/A decoupling capacitor

reset acquisition horizontal counter

reset display horizontal counter

PIP related input 0

clamping control

field memory input enable

field memory write enable

field memory read enable

display vertical pulse

display horizontal pulse

watchdog output (microcontroller reset)

watchdog input (microcontroller bone)

acquisition horizontal pulse

acquisition vertical pulse

address latch enable

acquisition related interrupt

display related interrupt

write not pulse

read not pulse

programmable signal positioner (psp) data bus bit 7 (MSB)

psp data bus bit 6

psp data bus bit 5

psp data bus bit 4

psp data bus bit 3

psp data bus bit 2

psp data bus bit 1

psp data bus bit 0 (LSB)

Y input bus bit 7 (MSB)

Y input bus bit 6

Y input bus bit 5

Y input bus bit 4

4

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