h8s-2628 Renesas Electronics Corporation., h8s-2628 Datasheet - Page 190

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

Section 9 I/O Ports
9.7.2
PBDR is an 8-bit readable/writable register that stores output data for the port B pins.
9.7.3
PORTB is an 8-bit read-only register that shows port B pin states.
Note:
Rev. 3.00 Oct 04, 2005 page 150 of 598
REJ09B0155-0300
Bit
7
6
5
4
3
2
1
0
Bit
7
6
5
4
3
2
1
0
Bit Name
PB7DR
PB6DR
PB5DR
PB4DR
PB3DR
PB2DR
PB1DR
PB0DR
Bit Name
PB7
PB6
PB5
PB4
PB3
PB2
PB1
PB0
*
Port B Data Register (PBDR)
Port B Register (PORTB)
Determined by the states of pins PB7 to PB0.
Initial Value
0
0
0
0
0
0
0
0
Initial Value
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
R
R
R
R
R
R
R
Output data for a pin is stored when the pin is
specified as a general purpose I/O port.
If a port B read is performed while PBDDR bits are
set to 1, the PBDR values are read. If a port B read is
performed while PBDDR bits are cleared to 0, the pin
states are read.
Description
Description