Figure 25.4 Serial Data Input/Output (2) - Renesas H8S/2158 User Manual

Section 25 User Debug Interface (H-UDI)
SDIDR serial data input/output
SDIDR is captured into the shift register in Capture-DR in IDCODE mode, and bits 0
to 31 of SDIDR are output in that order from the ETDO pin in Shift-DR.
Data input from the ETDI pin is written to any register in Update-DR.
Rev. 3.00 Jan 25, 2006 page 760 of 872
REJ09B0286-0300
ETDI
ETDO

Figure 25.4 Serial Data Input/Output (2)

Bit 31 Bit 31
.
.
SDIDR
.
.
Bit 0 Bit 0
Capture-DR