Nintendo 3DS ARM Documentation

ID Code Register

  • Read only
  • Contains the device ID code.
  • Accessible only in privileged modes.
  • Raw value: 0x41059461
Register Bits Function Value
31:24 Implementor 0x41
23:20 Variant (reserved) 0x0
19:16 ARM architecture 5TE 0x5
15:4 Primary Part Number 0x946
3:0 Revision (major product revision) 0x1

This register can be accessed via MRC p15, 0, Rd, c0, c0, {0,3-7}. It doesn't matter which number is used in the braces, they will all return the same register.