
Section 8 I/O Ports
Rev. 6.00 Sep 12, 2006 page 199 of 526
REJ09B0326-0600
8.9 Port
9
8.9.1 Overview
Port 9 is a 5-bit I/O port, configured as shown in figure 8.8.
P9
P9
P9
P9
P9
*
4
3
2
1
0
Port 9
Note:
*
There is no P9
0
function in the flash memory version since P9
0
is used as the FV
PP
pin.
Figure 8.8 Port 9 Pin Configuration
8.9.2
Register Configuration and Description
Table 8.23 shows the port 9 register configuration.
Table 8.23 Port 9 Registers
Name Abbr.
R/W
Initial
Value
Address
Port data register 9
PDR9
R/W
H'C0
H'FFDC
Port control register 9
PCR9
W
H'C0
H'FFEC
Port Data Register 9 (PDR9)
Bit
7 6 5 4 3 2 1 0
P9
4
P9
3
P9
2
P9
1
P9
0
*
3
Initial value
1
*
1
1
*
1
0
*
2
0 0 0 0 0
Read/Write
R/W R/W R/W R/W R/W
Notes: 1. Bits 7 to 6 are reserved; they are always read as 1 and cannot be modified.
2. Bit 5 is reserved; it is always read as 0 and cannot be modified.
3. In the on-chip flash memory version, this bit is always read as 0 and cannot be
modified.
Summary of Contents for F-ZTAT H8/3642A Series
Page 6: ...Rev 6 00 Sep 12 2006 page iv of xx ...
Page 8: ...Rev 6 00 Sep 12 2006 page vi of xx ...
Page 22: ...Rev 6 00 Sep 12 2006 page xx of xx ...
Page 124: ...Section 5 Power Down Modes Rev 6 00 Sep 12 2006 page 102 of 526 REJ09B0326 0600 ...
Page 188: ...Section 6 ROM Rev 6 00 Sep 12 2006 page 166 of 526 REJ09B0326 0600 ...
Page 190: ...Section 7 RAM Rev 6 00 Sep 12 2006 page 168 of 526 REJ09B0326 0600 ...
Page 298: ...Section 9 Timers Rev 6 00 Sep 12 2006 page 276 of 526 REJ09B0326 0600 ...
Page 378: ...Section 12 A D Converter Rev 6 00 Sep 12 2006 page 356 of 526 REJ09B0326 0600 ...
Page 446: ...Section 13 Electrical Characteristics Rev 6 00 Sep 12 2006 page 424 of 526 REJ09B0326 0600 ...