FLEX-IMX8M-Mini HARDWARE MANUAL
– VER 1.00 – JAN 31 2020
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3.7. JTAG
The FLEX-IMX8M-Mini has an on module JTAG Controller that provides debug and test control with
maximum security. The test access port is designed to support features compatible with the IEEE
standard 1149.1 v2001 (JTAG). Support IEEE P1149.6 extensions to the JTAG standard are for AC
testing of selected IO signals.
The JTAG port allows debug-related control and status, such as putting selected cores into
reset and/or debug mode and the ability to monitor individual core status signals via JTAG.
JTAG port interfaces the M4 and Cortex A53 Cores DAP - debug access port.
For additional details, please refer to the
“i.MX8M Mini Applications Processor Reference Manual”.
Figure 8
– FLEX-IMX8M-Mini JTAG Connector
NOTE : Pin 1 is far most thru-hole. Pin 8 is closest to the Wi-Fi / Bluetooth interface.
Table 8 - JTAG Signal Description
PIN
CPU BALL Description
1
3V3
VDD_3V3 Signal
2
C27
JTAG_nTRST
3
F27
JTAG_TMS
4
E27
JTAG_TDI
5
E26
JTAG_TDO
6
NC
Not Connected
7
F26
JTAG_TCK
8
GND
Ground Signal
