r5s77631ay266bgv Renesas Electronics Corporation., r5s77631ay266bgv Datasheet - Page 1867

• Manufacturer Part Number: r5s77631ay266bgv
• Description: Renesas 32-bit Risc Microcomputer Superhtm Risc Engine Family Sh-4a Series
• Manufacturer: Renesas Electronics Corporation.

Table 42.2 Commands Supported by Boundary-Scan TAP Controller
Bit 7
0
1
0
0
0
Other than above
Figure 42.2 Sequence for switching from Boundary-Scan TAP Controller to H-UDI
Status
H-UDI
selection
Status
TRST
Bit 6
1
1
0
1
0
TMS
TCK
H-UDI select command (B'00001000)
TRST is
asserted
TDI
(when Shift-IR state > 8 cycles,
input of last 8 cycles is valid)
Bit 5
0
1
0
0
0
Bit 4
1
1
0
0
0
H-UDI select command is input to
boundary-scan TAP controller
Run-Test-Idle
Bit 3
0
1
0
0
1
0 0 0 1 0 0 0 0
Shift-IR
Bit 2
1
1
0
0
0
Bit 1
0
1
0
0
0
Bit 0
1
1
0
0
0
Section 42 User Debugging Interface (H-UDI)
controller has entered the Run-Test/Idle state
first tck cycle after the boundary-scan TAP
Rev. 1.00 Oct. 01, 2007 Page 1801 of 1956
Switchover is determined at falling of
Description
IDCODE
BYPASS
EXTEST
SAMPLE/PRELOAD
H-UDI (switchover command)
Setting prohibited
Run-Test-Idle
H-UDI is used
Shift-IR ---
REJ09B0256-0100
TRST is
asserted