h8s-2158 Renesas Electronics Corporation., h8s-2158 Datasheet - Page 285

• Manufacturer Part Number: h8s-2158
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

9.6.1
The individual bits of P6DDR specify input or output for the pins of port 6.
9.6.2
P6DR stores output data for the port 6 pins.
Bit
7
6
5
4
3
2
1
0
Bit
7
6
5
4
3
2
1
0
Bit Name
P67DDR
P66DDR
P65DDR
P64DDR
P63DDR
P62DDR
P61DDR
P60DDR
Bit Name
P67DR
P66DR
P65DR
P64DR
P63DR
P62DR
P61DR
P60DR
Port 6 Data Direction Register (P6DDR)
Port 6 Data Register (P6DR)
Initial Value
Initial Value
0
0
0
0
0
0
0
0
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
Extended mode (16-bit data bus):
The port functions as the data bus regardless of
the values in these bits.
Single-chip mode/extended mode (8-bit data bus):
If port 6 pins are specified for use as the general
I/O port, the corresponding port 6 pins are output
ports when the P6DDR bits are set to 1, and input
ports when cleared to 0.
Extended mode (16-bit data bus):
If a port 6 read is performed while the P6DDR bits
are set to 1, the P6DR values are read. If a port 6
read is performed while the P6DDR bits are
cleared to 0, 1 is read.
Single-chip mode/extended mode (8-bit data bus):
P6DR stores output data for the port 6 pins that
are used as the general output port.
If a port 6 read is performed while the P6DDR bits
are set to 1, the P6DR values are read. If a port 6
read is performed while the P6DDR bits are
cleared to 0, the pin states are read.
Description
Description
Rev. 3.00 Jan 25, 2006 page 233 of 872
Section 9 I/O Ports
REJ09B0286-0300