E-STV6413DT 查看數據表（PDF） - STMicroelectronics

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E-STV6413DT

Audio/Video Switch Matrix

STMicroelectronics 

STV6413

3 I²C Bus Selection

I²C Bus Selection

Data transfers follow the usual I²C format; i.e. after the start condition (S), a 7-bit slave address is

sent, followed by an eight-bit data direction bit (W). An 8-bit sub-address is sent to select a register,

followed by an 8-bit data word to be included in the register. The IC’s I²C bus decoder enables the

automatic incrementation mode in write mode.

String Format

Write only mode (S = Start condition, P = Stop condition, A = Acknowledge)

S

Slave Address

0A

Sub-address

A Data A P

Read only mode

S

Slave Address

1 A Data A P

Slave Address

Address

A7

A6

A5

A4

A3

A2

A1

Value

1

0

0

1

0

1

1

Auto Increment Mode

S Slave Address

0 A Sub-address

A Data0 A Data1 A ... Data n A P

Sub-address Sub-address +1 Sub-address + N

3.1 I²C Bus Addresses

Write Address: 1001 0110 = 96(hex), Read Address: 1001 0111 = 97(hex)

Table 2: Input Signal Summary (Write Mode)

Reg.

Data

Add.

d7

d6

d5

d4

d3

d2

d1

d0

Audio

00h

01h

Video

02h

03h

TV Stereo

Mono

TV 0/6 dB

VCR Stereo Not Used

Mono

(See Note 1)

TV Volume-62 dB to 0 dB - 2 dB steps

Soft Volume

Mode

VCR Audio

Switch Control

CINCH

Audio Gain

TV/CINCH Audio Switch Control

VCR Chroma

muted

RGB and FB

Tri-state

VCR Video and Chroma Switch Control

RGB Gain

TV Chroma

muted

TV Video and Chroma Switch Control

RGB Switch Control

Fast Blanking

Mode/Input Selection

15/28

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