Texas Instruments AM438x ePOS EVM, User Manual, Page: 16 / 25

Board Connectors
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16 SPRUIF8 – June 2017
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AM438x ePOS EVM Hardware
8.7 HDMI Header Connector – J32
Table 13 lists the pin details of the HDMI header connecter.
Table 13. HDMI Header Pin Details
Pin No. Signal Name Description
1 H Data Trave
2 DAT2_S Data 2 GND
3 HDMI_TX2- Data Transmit2 -ve
4 H Data Trave
5 DAT1_S Data 1 GND
6 HDMI_TX1- Data Transmit1 -ve
7 H Data Trave
8 DAT0_S Data 0 GND
9 HDMI_TX0- Data Transmit0 -ve
10 CLK+ Clock +ve
11 Clock_S Clock GND
12 Clock- Clock -ve
13 HDMICONN_CEC CEC
14 NC NC
15 HDMICONN_I2CSCL I
2
C clock
16 HDMICONN_I2CSDA I
2
C data
17 GND Ground
18 V5_0HDMICONN Voltage
19 HDMICONN_HPLG HPLG
8.8 RS-232 Connectors
8.8.1 RS-232 Connector 1 – J19
Table 14 lists the pin details of RS-232 connector 1 (not mounted).
Table 14. RS-232 Connector 1 Pin Details
Pin No. Signal Name Description
1 NC NC
2 RS232_0_RXD Receive
3 RS232_0_TXD Transmit
4 NC NC
5 GND Ground
6 NC NC
7 RS232_0_RTS Request to send
8 RS232_0_CTS Clear to send
9 NC NC