HD64F3694HV Datasheet, PDF (157/452 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Tiny Series

Section 9 I/O Ports
9.5.2 Port Data Register 8 (PDR8)
PDR8 is a general I/O port data register of port 8.
Initial
Bit
Bit Name Value R/W Description
7
P87
0
R/W PDR8 stores output data for port 8 pins.
6
P86
0
5
P85
0
4
P84
0
3
P83
0
R/W If PDR8 is read while PCR8 bits are set to 1, the value
R/W ^{stored in PDR8 is read. If PDR8 is read while PCR8 bits}
are cleared to 0, the pin states are read regardless of the
R/W _{value stored in PDR8.}
R/W
2
P82
0
R/W
1
P81
0
R/W
0
P80
0
R/W
9.5.3 Pin Functions
The correspondence between the register specification and the port functions is shown below.
P87 pin
Register
Bit Name
Setting
Value
PCR8
PCR87
0
1
Pin Function
P87 input pin
P87 output pin
P86 pin
Register
Bit Name
Setting
Value
PCR8
PCR86
0
1
Pin Function
P86 input pin
P86 output pin
Rev.5.00 Nov. 02, 2005 Page 127 of 418
REJ09B0028-0500