cExpress-AR User’s Guide
PICMG COM.0 R3.0
Page 14
Copyright © 2021 ADLINK Technology, Inc.
2.6.
Multi I/O and Storage
USB
4x USB 3.2/2.0/1.1 (USB 0,1,2,3), 4x USB 2.0/1.1 (USB 4,5,6,7)
SuperSpeedPlus, SuperSpeed, High-Speed, Full-Speed and Low-Speed USB signalling
Notes:
Carrier board must be designed for Gen2 operation.
USB 3.2 upgrade signal lanes 1,2,3 are from USB Hub.
UART
Two UART interfaces SER0 and SER1 RX/TX on module
Console Redirection COM 1 or COM 2 selectable in BIOS
Up to 4 serial ports are supported in standard BIOS including Super I/O on the carrier
COM
Port
Description IRQ
Address Console
Redirection
Support
COM 1
Supported by module (SER0, A98/A99), via embedded controller
4
0x3F8
Yes
COM 2
Supported by module (SER1, A101/A102), via embedded controller 3
0x2F8
Yes
COM 3
Supported by Super I/O (W83627DHG) on carrier board
5
0x240
Yes
COM 4
Supported by Super I/O (W83627DHG) on carrier board
7
0x248
Yes
SER0, SER1 from SoC HSUART are BOM option support by project basis
GPIO or SD
4 GPO and 4 GPI (GPI with interrupt)
SATA
2x SATA 6Gb/s (SATA 0,1)
Note:
General Purpose Ports GPP 2-9 can support up to 6 devices (SATA 0/1 count as one device), refer to Functional Diagram for details.