HD6412332 RENESAS [Renesas Technology Corp], HD6412332 Datasheet - Page 424
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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9.11.2
Table 9.19 shows the port A register configuration.
Table 9.19 Port A Registers
Name
Port A data direction register
Port A data register
Port A register
Port A MOS pull-up control register
Port A open drain control register
Port function control register 1
Note: * Lower 16 bits of the address.
Port A Data Direction Register (PADDR)
PADDR is an 8-bit write-only register, the individual bits of which specify input or output for the
pins of port A. PADDR cannot be read; if it is, an undefined value will be read.
PADDR is initialized to H'00 by a reset, and in hardware standby mode. It retains its prior state in
software standby mode. The OPE bit in SBYCR is used to select whether the address output pins
retain their output state or become high-impedance when a transition is made to software standby
mode.
Port A Data Register (PADR)
PADR is an 8-bit readable/writable register that stores output data for the port A pins (PA
PA
Rev.4.00 Sep. 07, 2007 Page 394 of 1210
REJ09B0245-0400
Bit
Initial value :
R/W
Bit
Initial value :
R/W
0
).
Register Configuration
:
:
:
:
PA7DDR PA6DDR PA5DDR PA4DDR PA3DDR PA2DDR PA1DDR PA0DDR
PA7DR
R/W
W
7
0
7
0
PA6DR
R/W
W
6
0
6
0
Abbreviation
PADDR
PADR
PORTA
PAPCR
PAODR
PFCR1
PA5DR
R/W
W
5
0
5
0
PA4DR
R/W
W
4
0
4
0
R/W
W
R/W
R
R/W
R/W
R/W
PA3DR
R/W
W
0
0
3
3
Initial Value
H'00
H'00
Undefined
H'00
H'00
H'0F
PA2DR
R/W
W
2
0
2
0
PA1DR
R/W
W
1
0
1
0
H'FF69
H'FF70
H'FF77
Address *
H'FEB9
H'FF59
H'FF45
7
PA0DR
to
R/W
W
0
0
0
0
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