15
15-5
EXTERNAL BUS INTERFACE
32180 Group User’s Manual (Rev.1.0)
15.2 External Bus Interface Related Registers
P1 Operation Mode Register (P1MOD)
<Address: H
’0080 0741>9 1011121314b15b8
P10MD P11MD P12MD P13MD P14MD P15MD P16MD P17MD
00000000
<After reset: H’00>
b Bit Name Function R W
8 P10MD 0: P10 R W
Port P10 operation mode bit 1: DB8
9 P11MD 0: P11 R W
Port P11 operation mode bit 1: DB9
10 P12MD 0: P12 R W
Port P12 operation mode bit 1: DB10
11 P13MD 0: P13 R W
Port P13 operation mode bit 1: DB11
12 P14MD 0: P14 R W
Port P14 operation mode bit 1: DB12
13 P15MD 0: P15 R W
Port P15 operation mode bit 1: DB13
14 P16MD 0: P16 R W
Port P16 operation mode bit 1: DB14
15 P17MD 0: P17 R W
Port P17 operation mode bit 1: DB15
Note: • Settings of the P1 Operation Mode Register are effective only when the CPU is operating in external extension mode.
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: • Settings of the P2 Operation Mode Register are effective only when the CPU is operating in external extension mode.
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