CS7622 datasheet(33/36 Pages) CIRRUS

33 / 36 page

CS7622

DS322PP1

REF_CAPP - Reference capacitor- positive terminal

Pin 15

Supplied by VDDA. A 1 µF ceramic capacitor should be connected between

REF_CAPN and REF_CAPP.

RST - Reset pin, negative true

Pin 17

May be connected to external power-on-reset-circuit. Supplied by VDDD.

SCLK - Serial bus clock signal

Pin 5

Supplied by VDDD.

SDATI - Serial bus data input signal

Pin 7

Supplied by VDDD.

SEN - Serial bus enable signal-chip select (active low)

Pin 8

Supplied by VDDD.

TEST - Test enable pin

Pin 9

Supplied by VDDD.

CMOS Analog Input

AIN - Video data input from CCD

Pin 11

Supplied by VDDA.

BG_RES - Band-gap resistor

Pin 10

Supplied by VDDA. A 10 k

Ω resistor should be connected between BG_RES

and GNDA.

CMOS 4 mA Output

CLKO - Clock = output

Pin 21

Signal on this pin can either be the pixel clock output or data_valid signal out-

put. Supplied by VDDD.

DOUT[0:12] - Digitized CCD data output

Pins 22-32, and 1-4

DOUT0 is LSB. Supplied by VDDD.

SDATO - Serial bus data output signal

Pin 6

Supplied by VDDD.

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