Datasheet

Section 20 Boundary Scan (JTAG)
Rev. 3.00 Sep. 28, 2009 Page 623 of 710
REJ09B0384-0300
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.
ETDI
SDIDR
ETDO
Shift register
Bit 31 Bit 31
Bit 0 Bit 0
.
.
.
.
Capture-DR
Figure 20.5 Serial Data Input/Output (2)