ADLINK Technology arm AMPERE COM-HPC-ALT - Smbus; General Purpose Input Outputs

COM-HPC-ALT User’s Guide PICMG COM-HPC R1.0
Page 26 Copyright © 2023 ADLINK Technology, Inc.
4.3.12 SMBus
Name
Pin #
Description
I/O
PU / PD
Comment
SMB_CLK
C86
System Management Bus bidirectional clock line.
I/O OD
3.3VSB
PU 2.2K
The maximum capacitance on the Carrier Board shall not
exceed 100pF
SMB_DAT
C87
System Management Bus bidirectional data line.
I/O OD
3.3VSB
PU 2.2K
The maximum capacitance on the Carrier Board shall not
exceed 100Pf
SMB_ALERT#
C88
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
The maximum capacitance on the Carrier Board shall not
exceed 100pF
4.3.13 General Purpose Input Outputs
Name
Pin #
Description
I/O
PU / PD
Comment
GPIO_00
GPIO_01
GPIO_02
GPIO_03
GPIO_04
GPIO_05
GPIO_06
GPIO_07
GPIO_08
GPIO_09
GPIO_10
GPIO_11
A88
A89
A90
A91
A92
A93
A94
A95
A96
A97
A98
A99
General purpose input / output pins. Upon a
hardware reset, these pins should be configured as
inputs.
As inputs, these pins should be able to generate an
interrupt to the Module host.
I/O
3.3VSB
PU 100K
3.3VSB