Arm DAP Instructions

Versal ACAP Technical Reference Manual (AM011)

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

The Versal ACAPs support the Arm DAP instructions listed in the following table.

Table 1. Arm DAP Instructions
Instruction Name Binary Code [3:0] Description
BYPASS 1111 Accesses the Arm JTAG debug port Bypass register
IDCODE 1110 Accesses the Arm JTAG debug port IDCODE register
ABORT 1000 Accesses the Arm JTAG debug port Abort register
DPACC 1010 Accesses the JTAG debug port DP register
APACC 1011 Accesses the JTAG debug port AP register