Port B Data Register (Pbdr); Port B Register (Portb) - Renesas H8S/2368 Series Hardware Manual

9.9.2

Port B Data Register (PBDR)

PBDR is stores output data for the port B pins.
Bit Bit Name Initial Value
7 PB7DR 0
6 PB6DR 0
5 PB5DR 0
4 PB4DR 0
3 PB3DR 0
2 PB2DR 0
1 PB1DR 0
0 PB0DR 0
9.9.3

Port B Register (PORTB)

PORTB shows port B pin states. PORTB cannot be modified.
Bit Bit Name Initial Value
7 PB7 —*
6 PB6 —*
5 PB5 —*
4 PB4 —*
3 PB3 —*
2 PB2 —*
1 PB1 —*
0 PB0 —*
Note: * Determined by the states of pins PB7 to PB0.
R/W Description
R/W An output data for a pin is stored when the pin
function is specified to a general purpose I/O.
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W Description
R If this register is read is while PBDDR bits are set to
1, the PBDR values are read. If a port B read is
R
performed while PBDDR bits are cleared to 0, the pin
R
states are read.
R
R
R
R
R
Rev. 2.00, 05/03, page 349 of 820