8
8-10
INPUT/OUTPUT PORTS AND PIN FUNCTIONS
32180 Group User’s Manual (Rev.1.0)
P2 Operation Mode Register (P2MOD)
<Address: H
’0080 0742>123456b7b0
P20MD P21MD P22MD P23MD P24MD P25MD P26MD P27MD
00000000
<After reset: H’00>
b Bit Name Function R W
0 P20MD 0: P20 R W
Port P20 operation mode bit 1: A23
1 P21MD 0: P21 R W
Port P21 operation mode bit 1: A24
2 P22MD 0: P22 R W
Port P22 operation mode bit 1: A25
3 P23MD 0: P23 R W
Port P23 operation mode bit 1: A26
4 P24MD 0: P24 R W
Port P24 operation mode bit 1: A27
5 P25MD 0: P25 R W
Port P25 operation mode bit 1: A28
6 P26MD 0: P26 R W
Port P26 operation mode bit 1: A29
7 P27MD 0: P27 R W
Port P27 operation mode bit 1: A30
Note: • P2 Operation Mode Register is useful only when the CPU operates in external extension mode.
P3 Operation Mode Register (P3MOD)
<Address: H
’0080 0743>9 1011121314b15b8
P30MD P31MD P32MD P33MD P34MD P35MD P36MD P37MD
00000000
<After reset: H’00>
b Bit Name Function R W
8 P30MD 0: P30 R W
Port P30 operation mode bit 1: A15
9 P31MD 0: P31 R W
Port P31 operation mode bit 1: A16
10 P32MD 0: P32 R W
Port P32 operation mode bit 1: A17
11 P33MD 0: P33 R W
Port P33 operation mode bit 1: A18
12 P34MD 0: P34 R W
Port P34 operation mode bit 1: A19
13 P35MD 0: P35 R W
Port P35 operation mode bit 1: A20
14 P36MD 0: P36 R W
Port P36 operation mode bit 1: A21
15 P37MD 0: P37 R W
Port P37 operation mode bit 1: A22
Note: • P3 Operation Mode Register is useful only when the CPU operates in external extension mode.
8.3 Input/Output Port Related Registers
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