SH7059 Datasheet, PDF (653/1042 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

20. High-performance User Debug Interface (H-UDI)
• SDIDR serial data input/output
In IDCODE mode, SDIDR is captured into the shift register in Capture-DR, and in Shift-DR bits 0 to 31 of
SDIDR are output in that order from TDO.
In Update-DR, data input from TDI is not written to any register.
TDI
Shift register
Bit 31
Bit 31
SDIDR
...
.
SDIDR
Bit 0
Bit 0
TDO
Capture-DR
Figure 20.6 Serial Data Input/Output (3)
Rev.3.00 Mar. 12, 2008 Page 563 of 948
REJ09B0177-0300