HD6417705 Datasheet, PDF (623/739 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7700 Series

23.3.4 ID Register (SDID)
SDID is a 32-bit read-only register that consists of connected 16-bit registers SDIDH and SDIDL,
each of which can be read by the CPU.
The IDCODE command is set from the UDI pin. This register can be read from the TDO when the
TAP state is Shift-DR. Writing is disabled.
Bit
Bit
Name
Initial
Value
R/W
31 to 0 DID31 to DID0 Refer to
R
description
Description
Device ID31 to 0
Device ID register that is stipulated by
JTAG. H'001A200F (initial value) for this
LSI. Upper four bits may be changed by the
chip version.
SDIDH corresponds to bits 31 to 16.
SDIDL corresponds to bits 15 to 0.
Rev. 2.00, 09/03, page 577 of 690