Copyright
©
2012
congatec
AG
TCEDm10
49/94
Signal
Pin # Description
I/O
PU/PD
Comment
THRM#
B35
Input from off-module temp sensor indicating an over-temp situation.
I 3.3V
PU 10k 3.3V
THERMTRIP# A35
Active low output indicating that the CPU has entered thermal shutdown.
O 3.3V
PU 10k 3.3V
SMB_CK
B13
System Management Bus bidirectional clock line.
I/O 3.3VSB
PU 10k 3.3VSB
SMB_DAT#
B14
System Management Bus bidirectional data line.
I/O OD
3.3VSB
PU 10k 3.3VSB
SMB_ALERT# B15
System Management Bus Alert – active low input can be used to generate an SMI# (System
Management Interrupt) or to wake the system.
I 3.3VSB
PU 10k 3.3VSB
LID#
A103
Lid button. Used by the ACPI operating system for a LID switch.
I OD 3.3V
PU 10k 3.3VSB
SLEEP#
B103
Sleep button. Used by the ACPI operating system to bring the system to sleep state or to wake it
up again.
I OD 3.3V
PU 10k 3.3VSB
Table 16 General Purpose Serial Interface Signal Descriptions
Signal
Pin #
Description
I/O
PU/PD
Comment
SER0_TX
A98
General purpose serial port transmitter
O 3.3V
Not supported
SER1_TX
A101
General purpose serial port transmitter
O 3.3V
Not supported
SER0_RX
A99
General purpose serial port receiver
I 3.3V
Not supported
SER1_RX
A102
General purpose serial port receiver
I 3.3V
Not supported
Table 17 Power and GND Signal Descriptions
Signal
Pin #
Description
I/O
PU/PD
Comment
VCC_12V
A104-A109
B104-B109
Primary power input: +12V nominal. All available VCC_12V pins on the connector(s)
shall be used.
P
VCC_5V_SBY
B84-B87
Standby power input: +5.0V nominal. If VCC5_SBY is used, all available VCC_5V_SBY
pins on the connector(s) shall be used. Only used for standby and suspend functions.
May be left unconnected if these functions are not used in the system design.
P
VCC_RTC
A47
Real-time clock circuit-power input. Nom3.0V.
P
GND
A1, A11, A21, A31, A41,
A51, A57, A60, A66,
A70, A80, A90, A100,
A110, B1, B11, B21,
B31, B41, B51, B60,
B70, B80, B90, B100,
B110
Ground - DC power and signal and AC signal return path.
All available GND connector pins shall be used and tied to Carrier Board GND plane.
P
