Embedian SMARC-iMX8M Series, User Manual, Page: 94 / 174

Embedian, Inc.
94
SMARC-iMX8M Computer on Module User’s Manual v.1.0
NXP i.MX8M CPU JTAG(Connector: JST
SM10B‐SRSS‐TB, 1mm
pitch R/A SMD
Header) Type Note
Ball Mode Pin Name Pin# Pin Name
JTAG
1 VDD_33A Power JTAG I/O Voltage
(sourced by
Module)
U6 ATL0 JTAG_TRST_B 2 nTRST I JTAG Reset, active
low
V5 ALT0 JTAG_TMS 3 TMS I JTAG mode select
U5 ALT0 JTAG_TDO 4 TDO O JTAG data out
W5 ALT0 JTAG_TDI 5 TDI I JTAG data in
T5 ALT0 JTAG_TCK 6 TCK I JTAG clock
7 RTCK I JTAG return clock
8 GND Ground Ground
9 MFG_Mode# I Pulled low to
allow in‐circuit SPI
ROM update
10 GND Ground Ground