Debug Ports; P1 Jtag; Table 3-10 Cpu Debug (P1); Table 3-11 Ge Phy Debug (Test Point14-19) - SMART Embedded Computing COMX-P2020 Installation And Use Manual

Controls, LEDs, and Connectors
3.2.3

Debug Ports

3.2.3.1

P1 JTAG

The 16-PIN JTAG header support standard JTAG signals: TCK, TMS, TDO, TDI,
TRST(COP_TRST#).
JTAG also supports these extra signals: CKSTP_IN to stop processor core and
CKSTP_OUT# to get CORE status.
Table 3-10
Pin
1
3
5
7
9
11
13
15
Table 3-11
Test Point
TP14
TP15
TP16
TP17
TP18
TP19
66
CPU Debug (P1)
Signal
JTAG_TDO
JTAG_TDI
COP_RUNSTOP
JTAG_TCK
JTAG_TMS
COP_SRST#
COP_HRST#
P_CKSTP_OUT#
GE PHY Debug (Test Point14-19)
Signal
JTAG_GE1_TDO_GE2_TDI
JTAG_GE1_TDI
JTAG_GE2_TDO
JTAG_GE_TCK
JTAG_GE_TMS
JTAG_GE_TRST#
COMX-P2020 Module Installation and Use (6806800K97F)
Controls, LEDs, and Connectors
Pin Signal
2 NC
4 COP_TRST#
6 COP_VSENSE
8 P_CKSTP_IN#
10 NC
12 GND
14 NC
16 GND