HD64336900G Datasheet, PDF (150/408 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Tiny Series

9.4.2 Port Data Register 7 (PDR7)
PDR7 is a general I/O port data register of port 7.
Initial
Bit
Bit Name Value R/W Description
7

1

Reserved
This bit is always read as 1.
6
P76
0
R/W These bits store output data for port 7 pins.
5
P75
0
4
P74
0
R/W If PDR7 is read while PCR7 bits are set to 1, the value
R/W
stored in PDR7 is read. If PDR7 is read while PCR7 bits
are cleared to 0, the pin states are read regardless of the
value stored in PDR7.
3 to 0 
All 1

Reserved
These bits are always read as 1.
9.4.3 Pin Functions
The correspondence between the register specification and the port functions is shown below.
• P76/TMOV pin
Register TCSRV
PCR7
Bit Name OS3 to OS0 PCR76
Setting value 0000
0
1
Other than X
the above
values
[Legend]
X: Don't care
Pin Function
P76 input pin
P76 output pin
TMOV output pin
• P75/TMCIV pin
Register PCR7
Bit Name PCR75
Setting value 0
1
Pin Function
P75 input/TMCIV input pin
P75 output/TMCIV input pin
Rev. 1.00, 11/03, page 122 of 376