Datasheet

Section 9 Peripheral I/O Mapping Controller
Page 240 of 982 REJ09B0465-0300 Rev. 3.00
Sep 17, 2010
H8S/20103, H8S/20203, H8S/20223, H8S/20115, H8S/20215, H8S/20235 Group
9.1.1 Peripheral Function Mapping Register Write-Protect Register (PMCWPR)
b7
B0WI
1
b6
PMCRWE
0
b5
⎯
0
b4
⎯
0
b3
⎯
0
b2
⎯
0
b1
⎯
0
b0
⎯
0
H'FF0065
Bit:
Address:
Value after reset:
Bit Symbol Bit Name Description R/W
7 B0WI Bit 6 write
protect
0: Writing to PMCRWE (bit 6 in this register) is
enabled.
1: Writing to the PMCRWE bit is disabled.
W
6 PMCRWE PMCR write
enable
0: Writing to PMCR is disabled.
1: Writing to PMCR is enabled.
R/W
5 to 0 ⎯ Reserved These bits are always read as 0. The write value
should always be 0.
⎯
Note: A MOV instruction should be used to rewrite this register.
• B0WI bit (Bit 6 write protect)
Only when the write value to this bit is 0, PMCRWE (bit 6 in this register) can be modified.
This bit is always read as 1.