MC44724/5 Rev 0.21 03/25/97

No.

This document contains information on a new product. Specifications and information herein are subject to change without notice.

[Pin Descriptions]

1

CVBS/Cb/B1

O

Analog composite video signal output or Cb or B signal output current drive(positive)

2

CVBS/Cb/B1

O

Analog composite video signal output or Cb or B signal output current drive(negative)

3

CVBS/Cb/B1Vdd

Power Supply for CVBS / Cb / B DAC circuit

4

Y/G1

O

Analog luminance or G signal output current drive(positive)

5

Y/G1

O

Analog luminance or G signal output current drive(negative)

6

Y/G1Vdd

Power Supply for Y / G DAC circuit

7

C/Cr/R1

O

Analog chrominance signal output or Cr or R signal output current drive(positive)

8

C/Cr/R1

O

Analog chrominance signal output or Cr or R signal output current drive(negative)

9

C/Cr/R1Vdd

Power Supply for C / Cr /R DAC circuit

10

DAVss

Ground for DAC circuit

11

Ibias1

O

Reference current for the 3 DACs1

12

Vref1

Reference full scale voltage for the 3 DACs1

13

DAVdd

Power Supply for the DACs

14

Vref2

Reference full scale voltage for the 3 DACs2

15

Ibias2

O

Reference current for the 3 DACs2

16

NC

No Connect to pin

17

CVBS/Cb/B2

O

Analog composite video signal output or Cb or B signal output current drive(positive)

18

CVBS/Cb/B2

O

Analog composite video signal output or Cb or B signal output current drive(negative)

19

CVBS/Cb/B2Vdd

Power Supply for CVBS / Cb / B DAC circuit

20

Y/G2

O

Analog luminance or G signal output current drive(positive)

21

Y/G2

O

Analog luminance or G signal output current drive(negative)

22

Y/GVdd

Power Supply for Y / G DAC circuit

23

C/Cr/R2

O

Analog chrominance signal output or Cr or R signal output current drive(positive)

24

C/Cr/R2

O

Analog chrominance signal output or Cr or R signal output current drive(negative)

25

C/Cr/R2Vdd

Power Supply for C / Cr /R DAC circuit

26

ChipA

I2C chip address select { 0 : 40(hex)/41(hex) 1 : 1D(hex )/1E(hex) }

27

TEST

I

TEST pin(Ground)

28

DVss

Ground for Digital circuit

29

CLOCK

I

27MHz clock input

30

DVdd

Power Supply for Digital circuit

31

Reset

I

Reset signal, active LOW

32

PAL/NTSC

I

NTSC/PAL select . This pin active only Reset time. (NTSC : Low PAL : High )

33

SO

z(O) If SPI mode, serial data output / If I2C mode, connect to Ground

34

SDA/SI

I/O(I) Serial data input, Open drain output / If SPI mode, serial data input

35

SCL/SCK

I

Serial clock

36

SEL

(I) Connect to Ground / If SPI mode, this pin is chip select

37

DVdd

Power Supply for Digital circuit

38

DVss

Ground for Digital circuit

39~46

DVIN7~0

I/O Multiplexed 4:2:2 data(CCIR Rec656/601) input (1)

47

TVIN

I/O TEST data input

48

EXT

I/O Csync/Frame sync output, or external VBI information input

49

F/Vsync

I/O Frame sync or Vertical sync input/output

50

Hsync

I/O Horizontal sync input/output

51

DATST

I

MUX swith in 8-bit X 2 Multiplexed 4:2:2 data(CCIR Rec656/601) input (1) and (2), or

for D/A converter test

52~55

TP8~5

I/O 8-bit Multiplexed 4:2:2 data(CCIR Rec656/601) input (2), or Multiplexed Cr/Cb data

(CCIR Rec656/601) input in 16-bit input mode, or Test data input/output (TP8 : MSB)

56

DVss

Ground for Digital circuit

57

DVdd

Power Supply for Digital circuit

58~61

TP4~1

I/O Multiplexed 4:2:2 data(CCIR Rec656/601) input (2), or Multiplexed Cr/Cb data

(CCIR Rec656/601) input in 16-bit input mode, or Test data input/output (TP1 : LSB)

62

TP0

I/O Test data inout/output

63

DLVdd

Power Supply D/A Converter Digital circuit

64

DLVss

Ground for D/A Coverter Digital circuit

3

PIN

NAME

I/O

DESCRIPTIONS