ADLINK Technology COM Express cExpress-BL, Руководство пользователя

Страница: 33 / 86

cExpress-BL
Page 33
¾
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_CS0# 23 FUMD0
4 SPI_BIOS_CS1# 24 RESET_IN#
5 SPI_BIOS_MISO 25 DATA
6 SPI_BIOS_MOSI 26 CLK
7
SPI
Program
interface
SPI_BIOS_CLK 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
(continued)
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_DIS# 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
Note: The pin definition on the debug module is the inverse of that on the COM Express module.