HD64F38024HV Datasheet, PDF (261/684 Pages) Renesas Technology Corp – Hardware Manual Renesas 8-Bit Single-Chip Microcomputer H8 Family/H8/300L Super Low Power Series

8.11 Port B
8.11.1 Overview
Port B is an 8-bit input-only port, configured as shown in figure 8.10.
Section 8 I/O Ports
Port B
PB₇/AN₇
PB₆/AN₆
PB₅/AN₅
PB₄/AN₄
PB₃/AN₃/IRQ₁/TMIC
PB₂/AN₂
PB₁/AN₁/extU^*
PB₀/AN₀/extD^*
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
Port data register B
Port mode register B
Abbr.
R/W
PDRB
R
PMRB
R/W
Initial Value
—
H'F7
Address
H'FFDE
H'FFEE
Rev. 8.00 Mar. 09, 2010 Page 239 of 658
REJ09B0042-0800