HD64F36024FX Datasheet, PDF (141/386 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

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.
Bit
7 to 5
4
3
2
1
0
Bit Name

P84
P83
P82
P81
P80
Initial
Value
All 0
0
0
0
0
0
R/W

R/W
R/W
R/W
R/W
R/W
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.
9.5.3 Pin Functions
The correspondence between the register specification and the port functions is shown below.
• P84/FTIOD pin
Register
TIOR1
Bit Name IOD2
Setting Value 0
IOD1
0
0
0
0
1
1
X
Legend X: Don't care.
IOD0
0
1
X
X
PCR8
PCR84
0
1
X
X
0
1
Pin Function
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
Rev. 4.00 Sep. 23, 2005 Page 113 of 354
REJ09B0025-0400