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.
Содержание cExpress-AL
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