SH7727 Datasheet, PDF (990/1109 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7700 Series

Section 31 User-Debugging Interface (H-UDI)
Table 31.2 H-UDI Commands
TI3
TI2
TI1
TI0
0
0
0
0
0
1
0
0
0
1
0
1
0
1
1
0
0
1
1
1
1
0
0
—
1
0
1
—
1
1
0
—
1
1
1
0
1
1
1
1
0
0
0
1
Description
EXTEST
SAMPLE/PRELOAD
Reserved
H-UDI reset negate
H-UDI reset assert
Reserved
H-UDI interrupt
Reserved
Reserved
Bypass mode (initial value)
Recovery from sleep
Bits 11 to 0—Reserved: Always read 1.
31.3.3 Boundary-Scan Register (SDBSR)
Boundary-scan register (SDBSR) is a shift register allocated on the PAD to control the I/O pins in
this LSI.
The boundary-scan test is available in compliance with the JTAG standard by using the EXTEST
and SAMPLE/PRELOAD instructions. Table 31.3 lists the correspondence between the SH7727
pins and the boundary-scan register.
Rev. 5.00 Dec 12, 2005 page 918 of 1034
REJ09B0254-0500