sthdmi002a STMicroelectronics, sthdmi002a Datasheet - Page 9

• Manufacturer Part Number: sthdmi002a
• Description: Wide Bandwidth, 2 To 1 Hdmi Switch With Single Enable
• Manufacturer: STMicroelectronics

STHDMI002A
4.1
Table 1.
Function table
Table 2.
Pin number
SEL
35
36
37
38
39
40
41
42
43
44
45
46
47
48
H
L
Pin description
Function table
Y= TMDS Data, Clock for port A
Port B is in ‘Z’ state
Y=TMDS Data, Clock for port B
Port A is in ‘Z’ state
Y_DDC_SDA
A_DDC_SDA
Y_DDC_SCL
A_DDC_SCL
Pin name
Y_HPD
A_HPD
YCLK+
YCLK-
GND
GND
VCC
Y0+
Y1-
Y0-
Signal status
Output
Output
Output
Output
Output
Output
Power
Power
Power
Type
Input
I/O
I/O
I/O
I/O
TMDS Data1- output
Ground
TMDS Data0+ output
TMDS Data0- output
Ground
TMDS Clock+ output
TMDS Clock- output
DDC SCL output
DDC SDA output
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
Hot Plug Detect (HPD) output for port A
Supply voltage (3.3V ± 5%)
DDC SDA input for port A
DDC SCL input for port A
DDC for port B is ‘Z’
DDC for port A is ‘Z’
Y = DDC for port A
Y = DDC for port B
DDC Status
Function
HPD for port B is ‘Z’
HPD for port A is ‘Z’
Y= HPD for port A
Y= HPD for port B
HPD Status
Pin configuration
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