h8s-2628 Renesas Electronics Corporation., h8s-2628 Datasheet - Page 181

• Manufacturer Part Number: h8s-2628
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

9.4.1
P7DDR is an 8-bit write-only register, the individual bits of which specify input or output for the
pins of port 7.
P7DDR cannot be read, if it is, an undefined value will be read.
9.4.2
P7DR is an 8-bit readable/writable register that stores output data for port 7 pins.
Bit
7
6
5
4
3
2
1
0
Bit
7
6
5
4
3
2
1
0
Bit Name
P77DDR
P76DDR
P75DDR
P74DDR
P73DDR
P72DDR
P71DDR
P70DDR
Bit Name
P77DR
P76DR
P75DR
P74DR
P73DR
P72DR
P71DR
P70DR
Port 7 Data Direction Register (P7DDR)
Port 7 Data Register (P7DR)
Initial Value
0
0
0
0
0
0
0
0
Initial Value
0
0
0
0
0
0
0
0
R/W
W
W
W
W
W
W
W
W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Description
When a pin is specified as a general purpose I/O
port, setting these bits to 1 makes the corresponding
port 7 pin an output pin. Clearing these bits to 0
makes the pin an input pin.
Description
Output data for a pin is stored when the pin is
specified as a general purpose I/O port.
Rev. 3.00 Oct 04, 2005 page 141 of 598
Section 9 I/O Ports
REJ09B0155-0300