HD6412332 RENESAS [Renesas Technology Corp], HD6412332 Datasheet - Page 444
HD6412332
Manufacturer Part Number
HD6412332
Description
Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6412332.pdf
(1244 pages)
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9.14.2
Table 9.26 shows the port D register configuration.
Table 9.26 Port D Registers
Name
Port D data direction register
Port D data register
Port D register
Port D MOS pull-up control register
Note: * Lower 16 bits of the address.
Port D Data Direction Register (PDDDR)
PDDDR is an 8-bit write-only register, the individual bits of which specify input or output for the
pins of port D. PDDDR cannot be read; if it is, an undefined value will be read.
PDDDR is initialized to H'00 by a reset, and in hardware standby mode. It retains its prior state in
software standby mode.
• Modes 4 to 6
• Mode 7
Rev.4.00 Sep. 07, 2007 Page 414 of 1210
REJ09B0245-0400
Bit
Initial value :
R/W
The input/output direction specification by PDDDR is ignored, and port D is automatically
designated for data I/O.
Setting a PDDDR bit to 1 makes the corresponding port D pin an output port, while clearing
the bit to 0 makes the pin an input port.
Register Configuration
:
:
PD7DDR PD6DDR PD5DDR PD4DDR PD3DDR PD2DDR PD1DDR PD0DDR
W
7
0
W
6
0
Abbreviation
PDDDR
PDDR
PORTD
PDPCR
W
5
0
W
4
0
R/W
R/W
W
R/W
R
W
0
3
Initial Value
H'00
H'00
Undefined
H'00
W
2
0
W
1
0
H'FF73
Address *
H'FEBC
H'FF6C
H'FF5C
W
0
0
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