Datasheet

Section 10 I/O Ports
Page 306 of 982 REJ09B0465-0300 Rev. 3.00
Sep 17, 2010
H8S/20103, H8S/20203, H8S/20223, H8S/20115, H8S/20215, H8S/20235 Group
10.6.5 Port Drive Control Register 8 (PDVR8)
b7
PDVR87
0
b6
PDVR86
0
b5
PDVR85
0
b4
⎯
0
b3
⎯
0
b2
⎯
0
b1
⎯
0
b0
⎯
0
H'FF0037
Bit:
Address:
Value after reset:
Bit Symbol Bit Name Description R/W
7 PDVR87 Port 87 drive
control
R/W
6 PDVR86 Port 86 drive
control
R/W
5 PDVR85 Port 85 drive
control
0: Normal output
1: High-current drive output
PDVR8 is a register that controls drive capability of
the output pins in a bit unit.
R/W
4 to 0 ⎯ Reserved These bits are read as 0. The write value should
be 0.
⎯
10.6.6 Notes on Using Port 8
When using on-chip debugger function, set port 8 as general I/O port using PMR8.