ADLINK Technology Express-KL2 User Manual page 25

3.3.12. SMBus
Signal Pin #
SMB_CK B13
SMB_DAT# B14
SMB_ALERT# B15
3.3.13. I2C Bus
Signal Pin #
I2C_CK B33
I2C_DAT B34
3.3.14. General Purpose I/O (GPIO)
Signal Pin # Description
GPO[0] A93 General purpose output pins.
GPO[1] B54 General purpose output pins.
GPO[2] B57 General purpose output pins.
GPO[3] B63 General purpose output pins.
GPI[0] A54 General purpose input pins.
Pulled high internally on the module.
GPI[1] A63 General purpose input pins.
Pulled high internally on the module.
GPI[2] A67 General purpose input pins.
Pulled high internally on the module.
GPI[3] A85 General purpose input pins.
Pulled high internally on the module.
Pinouts and Signal Descriptions
Description
System Management Bus bidirectional clock
line. Power sourced through 5V standby rail
and main power rails.
System Management Bus bidirectional data
line. Power sourced through 5V standby rail
and main power rails.
System Management Bus Alert – active low
input can be used to generate an SMI# (System
Management Interrupt) or to wake the system.
Power sourced through 5V standby rail and
main power rails.
Description
General purpose I²C port clock output/input
General purpose I²C port data I/O line
I/O PU/PD
I/O OD PU 8k2
3.3VSB 3.3VSB
I/O OD PU 8k2
3.3VSB 3.3VSB
I 3.3VSB PU 2K2 3.3
VSB
I/O PU/PD
I/O OD PU 2k2
3.3VSB 3.3VSB
I/O OD PU 2k2
3.3VSB 3.3VSB
I/O PU/PD
O 3.3V PU 10K 3.3V
O 3.3V PU 10K 3.3V
O 3.3V PU 10K 3.3V
O 3.3V PU 10K 3.3V
I 3.3V PU 10K 3.3V
I 3.3V PU 10K 3.3V
I 3.3V PU 10K 3.3V
I 3.3V PU 10K 3.3V
Express-KL2
Comment
Comment
Source SEMA BMC
Source SEMA BMC
Comment
After hardware
RESET output low
After hardware
RESET output low
After hardware
RESET output low
After hardware
RESET output low
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