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VSP1221

SLES012A – SEPTEMBER 2001 – REVISED JULY 2004

Terminal Functions

TERMINAL

DESCRIPTION

NAME

PIN

D0

D0 = Bit 0 ADC output, least-significant bit (LSB)

1

DO

/SDO

SDO = Serial data output (used for register read back)

D1

2

DO

Bit 1 ADC output

D2

3

DO

Bit 2 ADC output

D3

4

DO

Bit 3 ADC output

D4

5

DO

Bit 4 ADC output

D5

6

DO

Bit 5 ADC output

D6

7

DO

Bit 6 ADC output

D7

8

DO

Bit 7 ADC output

D8

9

DO

Bit 8 ADC output

D9

10

DO

Bit 9 ADC output

D10

11

DO

Bit 10 ADC output

D11

12

DO

Bit 11 ADC output, most-significant bit (MSB)

DIVDD

13

P

Power supply for digital I/O

DIVSS

14

P

Digital ground for digital I/O

DVSS

15

P

Digital ground

ADCCL

16

DI

ADC clock

K

DVDD

17

P

Digital power supply

CFG1

18

DI

Configuration pin 1. Must be connected to GND

BLKG

19

DI

Blanking pulse:

High = Normal operation

Low = Digital output as programmed in the blanking register (see the blanking register section)

CLPOB

20

DI

Optical-black clamping pulse (default = active low)

SHP

21

DI

CDS reference sampling pulse (default = active low)

SHD

22

DI

CDS data sampling pulse (default = active low)

CLPDM

23

DI

Dummy clamping pulse (default = active low)

CFG2

24

DI

Configuration pin 2. Must be connected to GND

VSS

25

P

Substrate ground

AVSS

26, 35, 41

P

Analog ground

AVDD

27, 33, 40

P

Analog power supply

CLREF

28

AO

External decoupling for clamp voltage

TP1

29

AIO

Test point. Do not connect

DIN

30

AI

CCD signal input

PIN

31

AI

Input ground

TP2

32

AIO

Test point. Do not connect

DAC01

34

AO

General-purpose 8-bit DAC output voltage

DAC02

36

A0

General-purpose 8-bit DAC output voltage

ISET

37

AO

Internal bias-current setting

REFP

38

AO

External decoupling for internal positive reference

REFM

39

AO

External decoupling for internal negative reference

OE

42

DI

Output data enable:

Low = Normal operation

High = Digital output high impedance state

RESET

43

DI

Hardware reset (active low)

STBY

44

DI

Hardware power down (active low)

(1)

P: Power Supply, AI: Analog input, AO: Analog output, AIO: Analog input/output, DI: Digital input, DO: Digital output

2