Datasheet

Section 10 I/O Ports
Page 326 of 982 REJ09B0465-0300 Rev. 3.00
Sep 17, 2010
H8S/20103, H8S/20203, H8S/20223, H8S/20115, H8S/20215, H8S/20235 Group
10.9 Port B
Port B consists of general I/O pins that are also used as analog input pins for the A/D converter
unit 1, or as analog output pins for the D/A converter. Figure 10.9 shows the pin configuration of
port B.
Port B
PB7/AN7/DA1
PB6/AN6/DA0
PB5/AN5
PB4/AN4
PB3/AN3
PB2/AN2
PB1/AN1
PB0/AN0
Figure 10.9 Port B Pin Configuration
Port B has the following registers.
• Port control register B (PCRB)
• Port data register B (PDRB)
• Port pull-up control register B (PUCRB)