Texas Instruments AM438x ePOS EVM, User Manual, Page: 18 / 25

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18 SPRUIF8 – June 2017
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AM438x ePOS EVM Hardware
8.11 Tamper Header – J34
Table 18 lists the pin details of the tamper header.
Table 18. Tamper Header Pin Details
Pin No. Signal Name Description
1 V1_8BAT Voltage 1.8 V
2 V3_3D Voltage 3.3 V
3 GND Reserved
4 RESERVED5 Tamper event signal
5 TM_PIO_0 I/O 0
6 TM_PIO_1 I/O 1
7 TM_PIO_2 I/O 2
8 TM_PIO_3 I/O 3
9 RESERVED1 Reserved
10 TPMSS_OUT TPMSS_out signal
11 TM_PIO_8 I/O 8
12 TM_PIO_9 I/O 9
13 TM_PIO_10 I/O 10
14 TM_PIO_11 I/O 11
15 RESERVED3 Reserved
16 RESERVED4 Reserved
17 NC NC
18 NC NC
19 RTC_ALARM RTC alarm
20 GND Ground