Arm DAP Registers

Versal ACAP Technical Reference Manual (AM011)

Document ID
AM011
Release Date
2022-04-26
Revision
1.4 English

The Versal ACAPs provide Arm DAP registers listed in the following table.

Table 1. Arm DAP Registers
Register Name Register Length Description
BYPASS 1-bit Bypasses the Arm DAP
IDCODE 32-bit Captures the Arm DAP IDCODE (6BA00477h)
INSTRUCTION 4-bit Holds the current instruction opcode. The total Versal ACAP instruction register length is the DAP (4-bit instruction register length) + TAP (6-bit instruction register length).