HDMI2C1-14HD Datasheet, PDF (15/32 Pages) STMicroelectronics – HPD pull down and signal conditioning

HDMI2C1-14HD
Application information
Pin
Name
Table 2. Pin description
Description
Pin
Name
Description
1
SDA_IC DDC input ASIC side
19
DAT_CK- TMDS output Clock CK-
2
HPD_IC HPD output ASIC side
20
DAT_CK+ TMDS output Clock CK+
3
ESD_DISCH
ESD protection enhancement
capacitance
21
DAT_D0- TMDS output Data D0-
4 DAT_D2+_IC TMDS input Data D2+
22
DAT_D0+ TMDS output Data D0+
5 DAT_D2-_IC TMDS input Data D2-
23
DAT_D1- TMDS output Data D1-
6 DAT_D1+_IC TMDS input Data D1+
24
DAT_D1+ TMDS output Data D1+
7 DAT_D1-_IC TMDS input Data D1-
25
DAT_D2- TMDS output Data D2-
8 DAT_D0+_IC TMDS input Data D0+
26
DAT_D2+ TMDS output Data D2+
9 DAT_D0-_IC TMDS input Data D0-
27
NC
not connected
10 DAT_CK+_IC TMDS input Clock CK+
28
5V_OUT +5V power supply HDMI cable side
11 DAT_CK-_IC TMDS input Clock CK-
29
VDD_5V +5V main power supply
12
HEAC+ HEAC+ output ASIC side
30 VDD_CEC CEC supply HDMI cable side
13
HEAC- HEAC- output ASIC side
31 VDD_CEC_IC CEC driver power supply
14
HPD
HPD/HEAC- input HDMI
cable side
32
NC
not connected
15
SDA
DDC output HDMI cable side 33
VDD_IC
HDMI ASIC power supply
16
SCL
DDC output HDMI cable side 34
FAULT
Fault line output ASIC side
17
Utility
Utility/HEAC+ input HDMI
cable side
35
CEC_IC
CEC input ASIC side
18
CEC
CEC output HDMI cable side 36
SCL_IC
DDC input ASIC side
Pad
GND
Ground
DocID023674 Rev 2
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