Processor Cop Header; H8S Console And Programming Header; Table 3-21 P50 Cop Header Pin Assignment; Table 3-22 P9 H8S Console Header Pin Assignment - SMART Embedded Computing ATCA-F125 Assembly, Installation And Use

Table 3-20 P8 eUSB Header Pin Assignment (continued)
Contact Number
7
9
3.7.4

Processor COP Header

The ATCA-F125 contains a 16-pin 0.1" header for the P2020 JTAG COP header. The
following table shows the pinout assignment for the processor COP header.

Table 3-21 P50 COP Header Pin Assignment

Contact Number Description
1
3
5
7
9
11
13
15
3.7.5

H8S Console and Programming Header

The ATCA-F125 contains an 8-pin 0.1" header to provide access to the H8S serial console
and to enable the H8S boot loader for initial programming. The H8S boot loader is enabled
when shunts are installed shorting pins 2 to pin 4 and pin 6 to pin 8. The following table
shows the pinout assignment for this header.

Table 3-22 P9 H8S Console Header Pin Assignment

Contact Number
1
3
5
7
ATCA-F125 (6873M Artwork) Installation and Use (6806800J94P)
Description
GND
No Pin Key
COP_TDO
COP_TDI
+3.3V pull-up
COP_TCK
COP_TMS
COP_SRESET_L
COP_HRESET_L
COP_CHKSTP_OUT_L
Description Dir
H8S_TXD Out
GND N/A
H8S_RXD IN
GND NA
Controls, LEDs, and Connectors
Contact Number
8
10
Contact Number
2
4
6
8
10
12
14
16
Contact Number Description
2 H8S_MD1
4 Pull down
6 H8S_MD2#
8 Pull down
Description
No Connect
No Connect
Description
+3.3V pull-up
COP_TRST_L
COP_VDD_SENSE
COP_CHKSTP_IN_L
No Connect
COP_PRESENT_L
No Pin Key
GND
Dir
In
Out
In
Out
67