Figure 22.4 Serial Data Input/Output (1); Figure 22.5 Serial Data Input/Output (2) - Renesas H8S Series Hardware Manual

Section 22 Boundary Scan (JTAG)
SDIR serial data input/output
SDIR is captured into the shift register in Capture-IR, and bits 0 to 31 of SDIR are output in that order
from the ETDO pin in Shift-IR.
Data input from the ETDI pin is written to SDIR in Update-IR.
ETDI
ETDO
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 not written to any register in Update-DR.
Rev. 3.00 Jul. 14, 2005 Page 848 of 986
REJ09B0098-0300
Bit 31 Bit 31
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SDIR
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Bit 0 Bit 0
Capture-IR

Figure 22.4 Serial Data Input/Output (1)

ETDI
ETDO

Figure 22.5 Serial Data Input/Output (2)

ETDI
ETDO
Bit 31 Bit 31
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SDIDR
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Bit 0 Bit 0
Capture-DR
Bit 31 Bit 31
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.
Bit 28 Bit 28
.
SDIR
Update-IR