Datasheet

13.13.20 Component Identification 1
Name: CID1
Offset: 0x1FF4
Reset: 0x00000010
Property: -
Bit 31 30 29 28 27 26 25 24
Access
Reset
Bit 23 22 21 20 19 18 17 16
Access
Reset
Bit 15 14 13 12 11 10 9 8
Access
Reset
Bit 7 6 5 4 3 2 1 0
CCLASS[3:0] PREAMBLE[3:0]
Access
R R R R R R R R
Reset 0 0 0 1 0 0 0 0
Bits 7:4 – CCLASS[3:0] Component Class
These bits will always return 0x1 when read indicating that this ARM CoreSight component is ROM table
(refer to the ARM Debug Interface v5 Architecture Specification at http://www.arm.com).
Bits 3:0 – PREAMBLE[3:0] Preamble
These bits will always return 0x00 when read.
SAM D21 Family
DSU - Device Service Unit
© 2018 Microchip Technology Inc.
Datasheet Complete
DS40001882D-page 106