HD64F38024HV Datasheet, PDF (253/684 Pages) Renesas Technology Corp – Hardware Manual Renesas 8-Bit Single-Chip Microcomputer H8 Family/H8/300L Super Low Power Series

Section 8 I/O Ports
8.9.2 Register Configuration and Description
Table 8.23 shows the port 9 register configuration.
Table 8.23 Port 9 Registers
Name
Port data register 9
Port mode register 9
Abbr.
PDR9
PMR9
R/W
Initial Value Address
R/W
H'FF
H'FFDC
R/W
—
H'FFEC
Port Data Register 9 (PDR9)
Bit
7
—
Initial value
1
Read/Write
—
6
5
4
3
2
1
0
—
P9₅
P9 ₄
P9₃
P9₂
P9₁
P9 ₀
1
1
1
1
1
1
1
—
R/W R/W R/W R/W R/W R/W
PDR9 is an 8-bit register that stores data for port 9 pins P9₅ to P9₀.
Upon reset, PDR9 is initialized to H'FF.
Port Mode Register 9 (PMR9)
Bit
7
6
5
4
3
2
1
0
⎯
⎯
⎯
⎯ PIOFF/⎯^* ⎯
PWM₂ PWM₁
Initial value
1
1
1
1
0
⎯
0
0
Read/Write
⎯
⎯
⎯
⎯
R/W
W
R/W R/W
Note: * Readable/writable reserved bit in the H8/38024S Group and H8/38124 Group.
PMR9 is an 8-bit read/write register controlling the selection of the P9₀ and P9₁ pin functions.
Rev. 8.00 Mar. 09, 2010 Page 231 of 658
REJ09B0042-0800