HD64F3670 RENESAS [Renesas Technology Corp], HD64F3670 Datasheet - Page 131

• Manufacturer Part Number: HD64F3670
• Description: Hitachi Single-Chip Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

9.5.2
PDR8 is a general I/O port data register of port 8.
Bit Bit Name
7
6
5
4
3
2
1
0
9.5.3
The correspondence between the register specification and the port functions is shown below.
P84/FTIOD pin
Register
Bit Name
Setting Value 0
Legend X: Don't care.
P84
P83
P82
P81
P80
Port Data Register 8 (PDR8)
Pin Functions
TIOR1
IOD2
0
0
1
Initial Value R/W
0
0
0
0
0
0
0
0
IOD1
0
0
1
X
R/W
R/W
R/W
R/W
R/W
IOD0
0
1
X
X
Description
Reserved
PDR8 stores output data for port 8 pins.
If PDR8 is read while PCR8 bits are set to 1, the value
stored in PDR8 is read. If PDR8 is read while PCR8 bits
are cleared to 0, the pin states are read regardless of the
value stored in PDR8.
PCR8
PCR84
0
1
X
X
0
1
P84 input/FTIOD input pin
P84 output/FTIOD input pin
FTIOD output pin
FTIOD output pin
P84 input/FTIOD input pin
P84 output/FTIOD input pin
Pin Function
Rev. 2.0, 03/02, page 107 of 298