Port Peripheral Output Select Register - Renesas M32R/ECU Series User Manual

Mitsubishi 32-bit risc single-chip microcomputers
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15

15.2.2 Port Peripheral Output Select Register

To use ports P224 and P225 as external access signal pins, their pin functions must be set using the P22
Peripheral Output Select Register, because the A11 and CS2# pins and the A12 and CS3# pins are shared.
P22 Peripheral Output Select Register (P22SMOD)
b0
1
2
0
0
0
b
Bit Name
0–3
No function assigned. Fix to "0".
4
P224SMD
Port P224 peripheral output select mode bit
5
P225SMD
Port P225 peripheral output select mode bit
6–7
No function assigned. Fix to "0".
3
4
5
6
P224
P225
SMD
SMD
0
0
0
0
EXTERNAL BUS INTERFACE
15.2 External Bus Interface Related Registers
b7
0
Function
0: A11
1: CS2#
0: A12
1: CS3#
15-8
<Address: H'0080 0776>
<After reset: H'00>
R
0
R
R
0
32180 Group User's Manual (Rev.1.0)
W
0
W
W
0

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