Microcomputer User's Manual

Chapter 10 Appendices
150
Summary of Special Function Registers
Address
Register
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
X’3F31’
X’3F35’
X’3F33’
X’3F34’
X’3F36’
X’3F37’
X’3F38’
X’3F39’
X’3F3A’
X’3F3C’
X’3F40’
X’3F41’
P1DIR
Disables to use
P6DIR
P7DIR
P8DIR
P1OMD
PAIMD
Disables to use
P0PLU
P1PLU
 Bit Symbol
P1DIR4 P1DIR3 P1DIR2 P1DIR1 P1DIR0
Port 1 I/O direction control
Port 0 I/O direction control
Port 6 I/O direction control
Port 7 I/O
direction control
Port 8 I/O direction control
P6DIR7 P6DIR6 P6DIR5 P6DIR4 P6DIR3 P6DIR2 P6DIR1 P6DIR0
P7DIR0
P8DIR7 P8DIR6 P8DIR5 P8DIR4 P8DIR3 P8DIR2 P8DIR1 P8DIR0
P14TCO P13TCO P12TCO P10TCO
PAAIN5 PAAIN4 PAAIN3 PAAIN2 PAAIN1 PAAIN0
I/O port/Special function pin control
I/O port/Special function pin control
P0PLU2P0PLU6 P0PLU1 P0PLU0
P1PLU4 P1PLU3 P1PLU2 P1PLU1 P1PLU0
Port 0 pull-up resistor ON/OFF control
Port 1 pull-up resistor ON/OFF control
P7IN
X’3F26’
X’3F27’
X’3F28’
X’3F2A’
X’3F30’
P8IN
PAIN
P0DIR

Port 6 input
Port 7
input
P6IN5P6IN7 P6IN6
P6IN0P6IN1
P6IN2
P6IN3P6IN4
P7IN0
P8IN7 P8IN6 P8IN5 P8IN4 P8IN3 P8IN2 P8IN1 P8IN0
PAIN5 PAIN4 PAIN3 PAIN2 PAIN1 PAIN0
P0DIR2P0DIR6 P0DIR1 P0DIR0
Port 8 input
Port A input
Disables to use
Disables to use
Disables to use
Disables to use
Reference
Page
41，45
41，45
41，45
41，45
41，45
41，45
41，45
41，45
41，45
41，46
41，46
41，45
42，45
P6IN
X’3F24’
X’3F25’
PAIN7
PAIN6