Q67000-A5200 查看數據表（PDF） - Siemens AG

零件编号

产品描述 (功能)

生产厂家

Q67000-A5200

7 x 5 Video Matrix Switch

Siemens AG 

TDA 6920

q Data Mode Selections (fast I2C Bus) continued

2nd byte of transmission (8 bit)

Input Selection Non Clamped / Y+C (Y: always clamped. C: non clamped)

(3 bit, bit 7 must always be 0)

b7 b6

b5 b4 b31) b2 b1 b0 Selected input

00

XXX

001

in1, (Y+C) off

00

XXX

010

in2, clamp on

00

XXX

011

in3, clamp on

00

XXX

100

in4, clamp on

01

XXX

001

in1, (Y+C) on

01

XXX

010

in2, clamp off

01

XXX

011

in3, clamp off

01

XXX

100

in4, clamp off

1) X = don’t care (if only input operation mode change is requested, b5, b4

b3 should be 0, 0, 0: no output configuration is changed.)

q Bus Protocol (fast I2C Bus)

Programming Example: SDA sequence

start

condition

address 96H

MSB LSB

1st data: output 4 connect

to input 3 clamped

..... mode output input

serial data stream 10

1001 0110

00 100 011

data: output 5 connect to

input 1 (Y+C)

last data: output 1 connect stop

to input 4 not clamped condition

..... mode output input ..... mode output input

01

101 001

01 001 100 01

Semiconductor Group

9

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