ADLINK Technology cExpress-AL - 40-pin Debug Connector

32 Module Interfaces
4.2. 40-pin Debug Connector
FPC Connector Type: FCI 59GF Flex 10042867
Pin Orientation
1 40
40-pin Debug Connector Pin Definition on the COM Express Module
Pin Interface Signal Remark Pin Interface Signal Remark
1 VCC_SPI_IN SPI Power Input from flash
tool to module. HW need add
MOS FET to switch SPI power
for SPI ROM
21 TXD6
2 GND 22 RXD6
3 SPI_BIOS_C
S0#
23 FUMD0
4 SPI_BIOS_C
S1#
24 RESET_IN#
5 SPI_BIOS_M
ISO
25 DATA
6 SPI_BIOS_M
OSI
26 CLK
7
SPI
Program
interface
SPI_BIOS_C
LK
27 OCD0A Include a jumper to
connect OCD0A via 1K0
pull-up to 3.3V_BMC
8 3V3_LPC System power 3.3V provide
from COM module
28
BMC
Program
interface
(cont’d)
OCD0B Include a jumper to
connect OCD0A via 1K0
pull-up to 3.3V_BMC
9 GND 29 PWRBTN#
10 BIOS_DIS0 30 SYS_RESET#
11 RST# 31 CB_RESET#
12 CLK33_LPC 32 CB_PWROK
13 LPC_FRAME
#
33 SUS_S3#
14 LPC_AD3 34 SUS_S4#
15 LPC_AD2 35
Test points
SUS_S5#
16 LPC_AD1 always power 3.3V provide
from COM module
36 POSTWDT_DI
S#
Connect to Jumper for
Debug
17
LPC Bus
LPC_AD0 37 SEL_BIOS Connect to Jumper for
Debug
18 3.3V_BMC always power 3.3V provide
from COM module
38 BIOS_MODE Connect to Jumper for
Debug
19 3.3V_BMC always power 3.3V provide
from COM module
39
BMC
Debug
signals
BMC_STATUS
20
BMC
Program
interface
GND 40 Reserved
Table 2: 40-pin Debug Connector Pin Definition
Note: The pin definition on the debug module is the inverse of that on the COM Express module.