
CHAPTER 4 PORT FUNCTIONS
User’s Manual U15905EJ2V1UD
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(c) Port mode control register 9 (PMC9)
This is a 16-bit register that specifies the port mode or control mode.
This register can be read or written only in 16-bit units.
If the higher 8 bits of the PMC9 register is used as PMC9H and the lower 8 bits as PMC9L, however,
PMC9H and PMC9L can be manipulated in 8-bit or 1-bit units.
(1/2)
I/O port
A15/SCK3 I/O
PMC915
0
1
Specifies operation mode of P915 pin
PMC97
PMC96
PMC95
PMC94
PMC93
PMC92
PMC91
PMC90
After reset: 0000H
R/W
Address: PMC9 FFFFF452H,
PMC9L FFFFF452H, PMC9H FFFFF453H
PMC915
PMC9 (PMC9HNote)
(PMC9L)
PMC914
PMC913 PMC912
PMC911 PMC910
PMC99
PMC98
8
9
10
11
12
13
14
15
I/O port
A14/SO3 output
PMC914
0
1
Specifies operation mode of P914 pin
I/O port
A11/SO2 output
PMC911
0
1
Specifies operation mode of P911 pin
I/O port
A10/SI2 I/O
PMC910
0
1
Specifies operation mode of P910 pin
I/O port
A9/TXD1 output
PMC99
0
1
Specifies operation mode of P99 pin
I/O port
A8/RXD1 I/O
PMC98
0
1
Specifies operation mode of P98 pin
I/O port
A13/SI3 I/O
PMC913
0
1
Specifies operation mode of P913 pin
I/O port
A12/SCK2 I/O
PMC912
0
1
Specifies operation mode of P912 pin
Note
When reading or writing bits 8 to 15 of the PMC9 register in 8-bit or 1-bit units, specify these bits as bits
0 to 7 of the PMC9H register.