HD6412373R RENESAS [Renesas Technology Corp], HD6412373R Datasheet - Page 576

• Manufacturer Part Number: HD6412373R
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 10 I/O Ports
10.9.2
PADR stores output data for the port A pins.
Bit
7
6
5
4
3
2
1
0
10.9.3
PORTA shows port A pin states.
PORTA cannot be modified.
Bit
7
6
5
4
3
2
1
0
Note:
Rev.7.00 Mar. 18, 2009 page 508 of 1136
REJ09B0109-0700
Bit Name
PA0DR
Bit Name
PA0
PA7DR
PA6DR
PA5DR
PA4DR
PA3DR
PA2DR
PA1DR
PA7
PA6
PA5
PA4
PA3
PA2
PA1
* Determined by the states of pins PA7 to PA0.
Port A Data Register (PADR)
Port A Register (PORTA)
Initial Value
0
Initial Value
⎯*
0
0
0
0
0
0
0
⎯*
⎯*
⎯*
⎯*
⎯*
⎯*
⎯*
R/W
R/W
R/W
R
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
R
R
R
R
R
R
Description
Description
Output data for a pin is stored when the pin function
is specified to a general purpose I/O.
If a port A read is performed while PADDR bits are
set to 1, the PADR values are read. If a port A read
is performed while PADDR bits are cleared to 0, the
pin states are read.