
4.1 Connector J1
Connector Type
mates with
Table 2
J1 signals
Pin Signal
Description
I/O
PU/PD
1
5V_VCC
5V system power output
P
2
5V_VCC
5V system power output
P
3
GND
Ground
P
4
GND
Ground
P
5
GND -> +12V
12V system power output
P
6
GND -> +12V
12V system power output
P
7
GND
Ground
P
8
GND
Ground
P
9
5VSB
System standby power
P
10
C_SCL
I²C-bus clock line used for communication with the system host
I/O 5V
11
C_SDA
I²C-bus clock line used for communication with the system host
I/O 5V
12
C_SLP_S5#
Signal for S5 state
I 5V
13
Reset#
14
BPR
Buzzer output
O 5V
PP
15
I_OnBut#
Power button signal from front panel
I/O 5V
PU 15k µC_VCC
16
C_BATLOW#
Interrupt output
O 5V
OC, 8 mA
17
C_PBTN#
Power button signal to the CPU module
O 5V
OC, 8 mA
18
C_PSON#
Power on/off request line from the CPU module
I 5V
19
M_SCL
Clock line of internal I²C-bus
I/O 5V
PU 15k µC_VCC
20
M_SDA
Data line of internal I²C-bus
I/O 5V
PU 15k µC_VCC
Copyright © 2008 congatec AG
SBM2Cm11
15/24