Register Configuration And Description - Renesas H8 Series Hardware Manual

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
Port Data Register 9 (PDR9)
Bit 7
—
Initial value 1
Read/Write —
PDR9 is an 8-bit register that stores data for port 9 pins P9
Upon reset, PDR9 is initialized to H'FF.
Port Mode Register 9 (PMR9)
Bit 7

Initial value 1

Read/Write
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 P9
Abbr.
PDR9
PMR9
6 5 4
— P9 P9
5
1 1 1
— R/W R/W
6 5 4
  
1 1 1
  
R/W Initial Value
R/W H'FF
R/W —
3 2
P9 P9
4 3 2
1 1
R/W R/W
to P9 .
5 0
3 2
PIOFF/ *


0
R/W W
and P9
0
Rev. 7.00 Mar 10, 2005 page 229 of 652
Section 8 I/O Ports
Address
H'FFDC
H'FFEC
1 0
P9 P9
1 0
1 1
R/W R/W
1 0
PWM PWM
2 1
0 0
R/W R/W
pin functions.
1
REJ09B0042-0700