SAA5700GP 查看數據表（PDF） - Philips Electronics

零件编号

产品描述 (功能)

生产厂家

SAA5700GP

Chinese Character System Teletext (CCST) decoder

Philips Electronics 

Philips Semiconductors

Chinese Character System Teletext

(CCST) decoder

Preliminary specification

SAA5700

PINNING

SYMBOL PIN

OSCOUT

1

VSS3

2

n.c.

3

BLACK

4

CVBS

5

STN

6

IREF

7

VSSA

8

VDDA

9

REF+

10

i.c.

11

i.c.

12

i.c.

13

VSS

14

n.c.

15

VSS

16

LFB

17

FFB/STTV

18

VDDX

19

VSSO

20

R

21

G

22

B

23

BLAN

24

ODD/EVEN 25

VSS

26

ROMCS

27

RA0

28

RA1

29

RA2

30

RA3

31

I/O

O

ground

−

I/O

I

I/O

I

ground

supply

I

−

−

−

ground

−

ground

I

I/O

supply

ground

O

O

O

O

O

ground

O

O

O

O

O

DESCRIPTION

oscillator output to crystal

ground for I/O pad buffers connect to VSS; internally connected to VSS1 and VSS2

not connected

black level sample and hold capacitor; 100 nF to VSSA

video signal input; 100 nF series capacitor, 250 Ω source impedance maximum,

reference to VSSA

ADC current reference decoupling; 100 nF to VSSA

current reference input; 10 kΩ to VSSA

0 V power supply; analog

+5 V power supply; analog

ADC voltage reference decoupling; 100 nF to VSSA

internally connected; do not use

internally connected; do not use

internally connected; do not use

connect to VSS for normal use

not connected

connect to VSS for normal use

scan line flyback input (HSYNC)

scan field flyback input (VSYNC)/sync to TV output

+5 V power supply; connect to VDD for normal use

output stage current return and 0 V

analog Red output

analog Green output

analog Blue output

fast blanking (VDS)

frame rate signal for hardware de-interlace (FRAME)

connect to VSS for normal use

chip select (address decode) for ROM

bit 0 of address to DRAM, ROM and IC

bit 1 of address to DRAM, ROM and IC

bit 2 of address to DRAM, ROM and IC

bit 3 of address to DRAM, ROM and IC

1997 May 16

4

Share Link: