HDIO: HDA Bank - DS985

Kria K24 SOM Data Sheet (DS985)

Document ID
DS985
Release Date
2025-05-22
Revision
1.2 English

This section describes the high-density I/O (HDIO) bank. The HDIO bank HDA (bank 26) is accessible through both the SOM240_1 and SOM40 connectors.

  • The HDA bank supports 23 single-ended signals HDA[22:0]. Three signals (HDA00_CC, HDA08_CC, and HDA16_CC) are clock-capable inputs available on the MPSoC.
  • The maximum data rate supported on HDIO signals is 250 Mb/s.
  • VCCO for the HDA bank is supplied by the carrier card through the VCCO_HDA pin.

HDIO bank connections are listed in the following table.

Table 1. HDIO Bank Connections
HDIO Bank Connector HDIO Signals Clock-capable Pins VCCO
HDA bank 26 SOM240_1, SOM40 HDA[22:00] HDA00, HDA08, HDA16 VCCO_HDA