ADLINK Express-IBE2 - Manual (Page 24)

Page 24 Express-IBE2
3.3.12. SMBus
Signal Pin Description I/O PU/PD Comment
SMB_CK B13 System Management Bus bidirectional clock line. Power
sourced through 5V standby rail and main power rails. I/O OD 3.3VSB PU 2k2 3.3VSB
SMB_DAT# B14 System Management Bus bidirectional data line. Power
sourced through 5V standby rail and main power rails. I/O OD 3.3VSB PU 2k2 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. Power sourced
through 5V standby rail and main power rails. I 3.3VSB PU 10k 3.3VSB
3.3.13. I2C Bus
Signal Pin Description I/O PU/PD Comment
I2C_CK B33 General purpose I²C port clock output/input I/O OD 3.3VSB PU 2k2 3.3VSB
I2C_DAT B34 General purpose I²C port data I/O line I/O OD 3.3VSB PU 2k2 3.3VSB
3.3.14. General Purpose I/O (GPIO)
Signal Pin Description I/O PU/PD Comment
GPO[0] A93 General purpose output pins. O 3.3V
GPO[1] B54 General purpose output pins. O 3.3V
GPO[2] B57 General purpose output pins. O 3.3V
GPO[3] B63 General purpose output pins. O 3.3V
GPI[0] A54 General purpose input pins. Pulled high internally on the module. I 3.3V PU 10K 3.3V
GPI[1] A63 General purpose input pins. Pulled high internally on the module. I 3.3V PU 10K 3.3V
GPI[2] A67 General purpose input pins. Pulled high internally on the module. I 3.3V PU 10K 3.3V
GPI[3] A85 General purpose input pins. Pulled high internally on the module. I 3.3V PU 10K 3.3V