22
Interfaces
3.18 Debug (DB40)
Table 3-3 lists the pin signals of the CN1 connector, which provides 40 pins, 1 row, consecutive
sequence with 0.02" (0.50mm) pitch.
NOTE: The gray table cells denote ground. The # symbol indicates the signal is Active Low.
Table 3-3: Debug Interface Signals (CN1)
Pin #
Interface
Signal
1
NC
RESVD (0R0 PD to GND)
2
SMC Debug
SMC_STATUS (Connect LED)
3
BIOS_MODE (Not Used)
4
SEL_BIOS (Connect to jumper for debug)
5
POSTWDT_DIS# (Connect to jumper for debug)
6
Test Point
SUS_S5# (Bridge to pin 22 (3V#_DUAL)
7
SUS_S4#
8
SUS_S3#
9
CB_PWROK (Connected to V3P3S)
10
CB_RESET# (Connected to pin 30)
11
SYS_RESET#
12
PWRBTN#
13
SMC Program Interface
SMC_OCD0B (Use jumper to connect 0CD0B via 1K0
pull-down to GND)
14
SMC_OCD0A (Use jumper to connect 0CD0A via 1K0
pull-up to 3.3V_SMC)
15
SMC_CLK
16
SMC_DATA
17
SMC_RESET_IN#
18
SMC_FLMD0
19
SMC_RXD6
20
SMC_TXD6
21
GND3
22
3V3_DUAL (Connected to V3P3A)
23
3V3_SMC1 (Connected to VBMC)
24
LPC Debug Card Interface
LPC_AD0
25
LPC_AD1 (3.3V provided from module)
26
LPC_AD2
27
LPC_AD3
28
LPC_FRAME#
29
CLK33_LPC
30
RST#
31
BIOS_DIS0
32
GND2
33
LPC_3V3 (Connected to V3P3S)
34
SPI Program Interface
SPI_BIOS_CLK
35
SPI_BIOS_MOSI
36
SPI_BIOS_MISO
37
SPI_BIOS_CS1#
38
SPI_BIOS_CS0#
39
GND1
40
VCC_SPI_IN (SPI power input from flash tool to module)
