Special Registers - Special Registers - AM027

Versal Adaptive SoC AIE-ML v2 Architecture Manual (AM027)

Document ID
AM027
Release Date
2025-10-23
Revision
1.1 English
Table 1. Special Registers
Syntax Number of bits Description
dn0..dn7 20 bits AGU dimension size register
dj0..dj7 20 bits AGU dimension stride (jump) register
dc0..dc7 20 bits AGU dimension count register
s0..s3 6 bits Shift control
sp 20 bits Stack pointer
lr 20 bits Link register
pc 20 bits Program counter
fc 20 bits Fetch counter
  32 bits Status register 1
  32 bits Mode control register 1
ls 20 bits Loop start
le 20 bits Loop end
lc 32 bits Loop count
lci 32 bits Loop count (PCU)
F 128 bits MX6 data MSB registers
G 64 bits MX6 sub-title shift registers
E 64 bits MX6 exponent registers
  1. The status and control registers are each separate registers of a small number of bits each. Only through the debug interface are the various individual registers accessed together as one 32-bit wide SR and CR register.