Port 80 Support On Usb_Pd I2C Bus; Ipmb - ADLINK Technology arm AMPERE COM-HPC-ALT User Manual

COM-HPC-ALT User's Guide
Name Pin #
I2C0_CLK A30
I2C0_DAT A29
I2C0_ALERT# A32
I2C1_CLK A33
I2C1_DAT B28- B30
Note: multi-master support is I2C0 and I2C1
Supports 100KHz, 400KHz, and 1MHz

4.3.7 Port 80 Support on USB_PD I2C Bus

COM-HPC Module should support exporting Port 80 information over the USB_PD I2C bus (signals USB_PD_I2C_DAT and USB_PD_I2C_CLK) (pin B36 and
B35) to Carrier hardware that implements a pair of 7-segment displays to show the codes.

4.3.8 IPMB

An IPMB (Intelligent Platform Management Bus) port is defined for both the Client and Server pinout types for platform management functions. The
IPMB is used (optionally) with a Carrier based BMC (Board Management Controller) Master. On the Module, the IPMB should be routed to and used
Page 22
Description
Clock I/O line for the general purpose I2C0 port
Data I/O line for the general purpose I2C0 port
Alert input / interrupt for I2C0
Clock I/O line for the general purpose I2C1 port
Data I/O line for the general purpose I2C1 port
Copyright © 2023 ADLINK Technology, Inc.
I/O PU / PD Comment
I/O OD PU 2K2
3.3VSB 3.3VSB
I/O OD PU 2K2
3.3VSB 3.3VSB
I 3.3V PU 2K2
3.3VSB
I/O OD PU 2K2 I3C Not supported
1.8VSB 1.8VSB
I/O OD PU 2K2 I3C Not supported
1.8VSB 1.8VSB
PICMG COM-HPC R1.0