STHDMI002A datasheet(9/26 Pages) STMICROELECTRONICS

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STHDMI002A

Pin configuration

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4.1

Function table

Pin number

Pin name

Type

Function

Y1-

Output

TMDS Data1- output

GND

Power

Ground

Y0+

Output

TMDS Data0+ output

Y0-

Output

TMDS Data0- output

GND

Power

Ground

YCLK+

Output

TMDS Clock+ output

YCLK-

Output

TMDS Clock- output

Y_DDC_SCL

I/O

DDC SCL output

Y_DDC_SDA

I/O

DDC SDA output

Y_HPD

Input

Sink side hot plug detector input

High : 5V power signal asserted from source to sink

and EDID is ready

Low : No 5V power signal is asserted from source to

sink or EDID is not ready

A_HPD

Output

Hot Plug Detect (HPD) output for port A

VCC

Power

Supply voltage (3.3V ± 5%)

A_DDC_SDA

I/O

DDC SDA input for port A

A_DDC_SCL

I/O

DDC SCL input for port A

Table 2.

Function table

SEL

Signal status

DDC Status

HPD Status

Y= TMDS Data, Clock for port A

Port B is in ‘Z’ state

Y = DDC for port A

DDC for port B is ‘Z’

Y= HPD for port A

HPD for port B is ‘Z’

Y=TMDS Data, Clock for port B

Port A is in ‘Z’ state

Y = DDC for port B

DDC for port A is ‘Z’

Y= HPD for port B

HPD for port A is ‘Z’

Table 1.

Pin description

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