C&T Solution CT-CIB61, User Manual, Page: 33 / 76

CT-CIB61 Intel® 3rd Generation Core™ Processor i7/i5/i3 COM Express Type 6 Module
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Signal I/O Description
SMB_CK I/O
System Management Bus bidirectional clock line
SMB_DAT I/O
System Management Bus bidirectional data line
SMB_ALERT# I
System Management Bus Alert – active low input
can be used to generate an SMI# (System
Management Interrupt) or to wake the system.
4.14 ExpressCard
ExpressCard is a small form factor expansion card that uses PCI Express or
USB as the interface. It is similar in concept and scope to CardBus. The
CT-CIB61 supports two Express Card interface.
Signal I/O Description
EXCD[0:1]_CPPE# I
PCI ExpressCard: PCI Express capable card
request, active low, one per card
EXCD[0:1]_PERST# O
PCI ExpressCard: reset, active low, one per card
4.15 General Purpose Input Output
GPI and GPO pins may be implemented as GPIO (Module specific). GPI and
GPO pins may be implemented as SDIO.
Signal I/O Description
GPO[0:3] O
General purpose output pins. Upon a hardware
reset, these outputs should be low
GPI[0:3] I
General purpose input pins. Pulled high
internally on the Module.
GPIO Configuration 4.15.1
Output Pin default setting is HIGH.
Pin # GPIO# Default Configuration
B63 GPIO7 GPO3
B57 GPIO6 GPO2
B54 GPIO5 GPO1
A93 GPIO4 GPO0
A85 GPIO3 GPI3
A67 GPIO2 GPI2