Chapter 18 Appendices
XVIII - 8
Special Function Registers List
Note) x : Initial value is unstable. - : No data
Page
Address
Register
X'3F22'
X'3F23'
X'3F24'
P2IN
P3IN
P4IN
P2IN7
-
P2IN3
P2IN2
P2IN1
P2IN0
Port 2 Input Data
IV - 19
-
P3IN3
P3IN2
P3IN1
P3IN0
IV - 22
P4IN7
P4IN6
P4IN5
P4IN4
P4IN3
P4IN2
P4IN1
P4IN0
Port 4 Input Data
IV - 28
Port 3 Input Data
x
-x
-
1
x
-x
-
x
xx
x
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit Symbol / Initial Value / Description
0
-
0
00
-
0
00
0
-
0
00
-
0
-0
-
0
00
0
X'3F25'
P5IN
X'3F26'
P6IN
X'3F27'
P7IN
P8IN7
P8IN6
P8IN5
P8IN4
P8IN3
P8IN2
P8IN1
P8IN0
X'3F28'
P8IN
Port 8 Input data
IV - 43
PAIN7
PAIN6
PAIN5
PAIN4
PAIN3
PAIN2
PAIN1
PAIN0
X'3F2A'
PAIN
IV - 47
-
PARDWN
P1RDWN
P0RDWN
-
SYOEVS1
SYOEVS0
X'3F2E'
FLOAT
P0 Pull up/down
Selection
I/O Port,
Timer 7
Output Selection
I/O Port,
Timer 7 Timer8
Output Selection
I/O Port,
Timer 3
Output Selection
I/O Port,
Timer 2
Output Selection
I/O Port,
Timer 1
Output Selection
I/O Port,
Timer 0
Output Selection
IV - 8,16,27,48
-
P5IN3
P5IN2
P5IN1
P5IN0
Port 5 Input data
IV - 31
P6IN7
P6IN6
P6IN5
P6IN4
P6IN3
P6IN2
P6IN1
P6IN0
Port 6 Input data
IV - 35
P7IN7
P7IN6
P7IN5
P7IN4
P7IN3
P7IN2
P7IN1
P7IN0
Port 7 Input data
IV - 39
P4 Synchronous Output
Event Selection
PA Pull up/down
Selection
P1 Pull up/down
Selection
-0
-
Port A Input data
--
-
P1OMD5
X'3F2F'
P1OMD
IV - 15
X'3F30'
X'3F31'
X'3F33'
X'3F34'
P0DIR
P1DIR
P3DIR
P4DIR
P1OMD3
P1OMD2
P1OMD1
P1OMD0
P1OMD4
-
P0DIR6
P0DIR5
P0DIR4
P0DIR3
P0DIR2
P0DIR1
P0DIR0
Port 0 I/O Direction Control
-
P1DIR5
P1DIR4
P1DIR3
P1DIR2
P1DIR1
P1DIR0
Port 1 I/O Direction Control
-
P3DIR3
P3DIR2
P3DIR1
P3DIR0
Port 3 I/O Direction Control
IV - 22
P4DIR7
P4DIR6
P4DIR5
P4DIR4
P4DIR3
P4DIR2
P4DIR1
P4DIR0
Port 4 I/O Direction Control
IV - 26
IV - 14
IV - 7
-0
x
xx
x
-x
x
xx
x
xx
x
xx
x
0
-0
0
X'3F35'
P5DIR
-
P5DIR3
P5DIR2
P5DIR1
P5DIR0
Port 5 I/O Direction Control
IV - 31
--
-
0
00
0
00
0
X'3F36'
P7DIR7
P7DIR6
P7DIR5
P7DIR4
P7DIR3
P7DIR2
P7DIR1
P7DIR0
X'3F37'
P7DIR
Port 7 I/O Direction Control
IV - 39
P6DIR
P6DIR7
P6DIR6
P6DIR5
P6DIR4
P6DIR3
P6DIR2
P6DIR1
P6DIR0
Port 6 I/O Direction Control
IV - 35