COM-HPC-ALT User’s Guide PICMG COM-HPC R1.0
Page 0 Copyright © 2023 ADLINK Technology, Inc.
Table of Contents
Revision History ................................................................................................................................................................................................................................................................................................................ 2
Preface .................................................................................................................................................................................................................................................................................................................................. 3
1. Introduction ................................................................................................................................................................................................................................................................................................................. 3
2. Specifications ............................................................................................................................................................................................................................................................................................................... 4
2.1 Core System ..................................................................................................................................................................................................................................................................................................................................... 4
2.2 Expansion Busses ........................................................................................................................................................................................................................................................................................................................... 5
2.3 Ethernet ............................................................................................................................................................................................................................................................................................................................................. 8
2.4 Multi I/O and Storage .................................................................................................................................................................................................................................................................................................................. 9
2.5 Others ............................................................................................................................................................................................................................................................................................................................................... 10
2.6 Security ............................................................................................................................................................................................................................................................................................................................................ 10
2.7 Module Management Controller (MMC) ............................................................................................................................................................................................................................................................................ 11
2.8 Debug............................................................................................................................................................................................................................................................................................................................................... 17
2.9 Power ................................................................................................................................................................................................................................................................................................................................................ 17
2.10 Mechanical and Environmental............................................................................................................................................................................................................................................................................................... 18
3. Block Diagram ........................................................................................................................................................................................................................................................................................................... 20
4. Pinout and Signal Descriptions .......................................................................................................................................................................................................................................................................... 21
4.1 Pin Summary .................................................................................................................................................................................................................................................................................................................................. 21
4.2 Signal Terminology Descriptions ............................................................................................................................................................................................................................................................................................. 7
4.3 Signal Descriptions on J1/J2 Connectors .............................................................................................................................................................................................................................................................................. 8
4.3.1 Ethernet KR/KX ................................................................................................................................................................................................................................................................................................................... 8
4.3.2 NBASE-T Ethernet .............................................................................................................................................................................................................................................................................................................. 9
4.3.3 PCI Express ......................................................................................................................................................................................................................................................................................................................... 11
4.3.4 USB ........................................................................................................................................................................................................................................................................................................................................ 18
4.3.5 Asynchronous Serial Port .............................................................................................................................................................................................................................................................................................. 20
4.3.6 I2C ......................................................................................................................................................................................................................................................................................................................................... 21
4.3.7 Port 80 Support on USB_PD I2C Bus ........................................................................................................................................................................................................................................................................ 22
4.3.8 IPMB ..................................................................................................................................................................................................................................................................................................................................... 22
4.3.9 General Purpose SPI ....................................................................................................................................................................................................................................................................................................... 23
4.3.10 Power & System Management ................................................................................................................................................................................................................................................................................... 24
4.3.11 Thermal Protection .......................................................................................................................................................................................................................................................................................................... 25
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