XVIII - 9
Chapter 18 Appendices
Special Function Registers List
Note) x : Initial value is unstable. - : No register is allocated.
0
00
0
00
0
00
0
00
0
00
0
-
0
00
-
0
-0
-1
-
0
-0
-
0
00
0
-0
1
0
00
0
P8DIR7
P8DIR6
P8DIR5
P8DIR4
P8DIR3
P8DIR2
P8DIR1
P8DIR0
X'3F38'
P8DIR
Port 8 I/O Direction Control
IV - 43
X'3F3A'
PAIMD
I/O Port A Analog n Input Pin Selection
IV - 47
X'3F3B'
PADIR
Port A I/O Direction Control
IV - 47
P5LED3
P5LED2
P5LED1
P5LED0
P5OMD3
P5OMD2
P5OMD1
P5OMD0
X'3F3F'
P5OMD
LED3 Output
Selection
LED2 Output
Selection
LED1 Output
Selection
LED0 Output
Selection
I/O Port,
Timer 8 Output
Selection
I/O Port,
Timer 2 Output
Selection
I/O Port,
Timer 7 Output
Selection
I/O Port,
Timer 0 Output
Selection
IV - 32
X'3F40'
P0PLUD
IV - 7
X'3F41'
P1PLUD
IV - 14
X'3F42'
P2PLU
IV - 19
X'3F43'
P3PLU
IV - 22
X'3F44'
P4PLU
IV - 26
PAIMD7
PAIMD6
PAIMD5
PAIMD4
PAIMD3
PAIMD2
PAIMD1
PAIMD0
PADIR7
PADIR6
PADIR5
PADIR3
PADIR2
PADIR1
PADIR0
PADIR4
-
P0PLUD6
P0PLUD5
P0PLUD4
P0PLUD3
P0PLUD2
P0PLUD1
P0PLUD0
Port 0 Pull-up/Pull-down Control
-
P1PLUD5
P1PLUD4
P1PLUD3
P1PLUD2
P1PLUD1
P1PLUD0
Port 1 Pull-up/Pull-down Control
-
P2PLU3
P2PLU2
P2PLU1
P2PLU0
Port 2 Pull-up Control
-
P3PLU3
P3PLU2
P3PLU1
P3PLU0
Port 3 Pull-up Control
P4PLU7
P4PLU6
P4PLU5
P4PLU4
P4PLU3
P4PLU2
P4PLU1
P4PLU0
Port 4 Pull-up Control
0
X'3F3E'
P4IMD
III - 43
P4KYEN7
P4KYEN6
P4KYEN5
P4KYEN4
P4KYEN3
P4KYEN2
P4KYEN1
P4KYEN0
P47 KEY
Interrupt
Selection
P46 KEY
Interrupt
Selection
P45 KEY
Interrupt
Selection
P44 KEY
Interrupt
Selection
P43 KEY
Interrupt
Selection
P42 KEY
Interrupt
Selection
P41 KEY
Interrupt
Selection
P40 KEY
Interrupt
Selection
00
0
00
0
-
X'3F45'
P5PLU
IV - 31
X'3F46'
P6PLU
IV - 35
P6PLU7
P6PLU6
P6PLU5
P6PLU4
P6PLU3
P6PLU2
P6PLU1
P6PLU0
Port 6 Pull-up Control
-
P5PLU3
P5PLU2
P5PLU1
P5PLU0
Port 5 Pull-up Control
--
-
Bit Symbol / Initial Value / Description
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Page
Address
Register
0
00
0
00
0
X'3F47'
P7PLU
IV - 39
X'3F48'
P8PLU
IV - 43
P7PLU7
P7PLU6
P7PLU5
P7PLU4
P7PLU3
P7PLU2
P7PLU1
P7PLU0
Port 7 Pull-up Control
P8PLU7
P8PLU6
P8PLU5
P8PLU4
P8PLU3
P8PLU2
P8PLU1
P8PLU0
Port 8 Pull-up Control
0
00
0
PAPLUD
IV - 47
PAPLUD7
PAPLUD6
PAPLUD5
PAPLUD4
PAPLUD3
PAPLUD2
PAPLUD1
PAPLUD0
Port A Pull-up/Pull-down Control
TM0BC7
TM0BC6
TM0BC5
TM0BC4
TM0BC3
TM0BC2
TM0BC1
TM0BC0
TM0BC
Timer 0 Binary Counter
VI - 9
TM1BC7
TM1BC6
TM1BC5
TM1BC4
TM1BC3
TM1BC2
TM1BC1
TM1BC0
TM1BC
Timer 1 Binary Counter
VI - 9
x
xx
x
xx
x
X'3F4A'
X'3F50'
X'3F51'