Renesas H8 Series Hardware Manual

Section 8 I/O Ports
Rev. 7.00 Mar 10, 2005 page 237 of 652
REJ09B0042-0700
8.11 Port B
8.11.1 Overview
Port B is an 8-bit input-only port, configured as shown in figure 8.10.
PB
7
/AN
7
PB
6
/AN
6
PB
5
/AN
5
PB
4
/AN
4
PB
3
/AN
3
/IRQ
1
/TMIC
PB
2
/AN
2
PB
1
/AN
1
/extU
*
PB
0
/AN
0
/extD
*
Port B
Note: * The extU and extD pins are implemented on the H8/38124 Group only.
Figure 8.10 Port B Pin Configuration
8.11.2 Register Configuration and Description
Table 8.29 shows the port B register configuration.
Table 8.29 Port B Register
Name Abbr. R/W Initial Value Address
Port data register B PDRB R — H'FFDE
Port mode register B PMRB R/W H'F7 H'FFEE

Renesas H8 Series Specifications

General

Brand	Renesas
Model	H8 Series
Category	Computer Hardware
Language	English