Hitachi H*/3694F-ZTAT User Manual
Rev. 1.0, 07/01, page 130 of 372
9.6.1
Port Data Register B(PDRB)
PDRB is a general input-only port data register of port B.
Bit
Bit Name
Initial Value R/W
Description
7
6
5
4
3
2
1
0
PB7
PB6
PB5
PB4
PB3
PB2
PB1
PB0
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
R
R
R
R
R
R
R
R
The input value of each pin is read by reading this register.
However, if a port B pin is designated as an analog input
channel by ADCSR in A/D converter, 0 is read.
channel by ADCSR in A/D converter, 0 is read.