Rohm LAPIS SEMICONDUCTOR ML620Q503, User Manual

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ML620Q503/Q504 User's Manual
Chapter 5 Interrupts
FEUL620Q504 5–43
5.2.21 External Interrupt 01 Selection Register (EXI01SEL)
Address: 0F048H
Access: R/W
Access size: 8/16 bit
Initial value: 0000H
7 6 5 4 3 2 1 0
EXI0SEL EXI0S7 EXI0S6 EXI0S5 EXI0S4 EXI0S3 EXI0S2 EXI0S1 EXI0S0
R/W R/W R/W R/W R/W R/W R/W R/W R/W
Initial value 0 0 0 0 0 0 0 0
15 14 13 12 11 10 9 8
EXI1SEL EXI1S7 EXI1S6 EXI1S5 EXI1S4 EXI1S3 EXI1S2 EXI1S1 EXI1S0
R/W R/W R/W R/W R/W R/W R/W R/W R/W
Initial value 0 0 0 0 0 0 0 0
EXI01SEL is a special function register (SFR) used to select the port used as EXI0/1.
Description of Bits
•
EXI0S3-0 (bits 3 to 0), EXI0S7-4 (bits 7 to 4)
The EXI0S3-0 registers are used to select the bit of the port used as EXI0.
The EXI0S7-4 registers are used to select the group of the port used as EXI0 (Example: When EXI0S7:4
= "5" and EXI0S3:0 = "1", Port 51 is used as EXI0).
EXI0S7-4
EXI0S3-0
0 1 2 3 4 5 6 7
0 P00 P01 P02 P03 P04 P05 - -
1 PXT0 PXT1 - - - - - -
2 P20 P21 P22 P23 - - - -
3 P30 P31 P32 P33 P34 P35 P36 P37
4 P40 P41 P42 P43 P44 P45 P46 P47
5 P50 P51 P52 P53 P54 P55 P56 P57
Setting other than above is prohibited.
•
EXI1S3-0 (bits 11 to 8), EXI1S7-4 (bits 15 to 12)
The EXI1S3-0 registers are used to select the bit of the port used as EXI1.
The EXI1S7-4 registers are used to select the group of the port used as EXI1 (Example: When EXI1S7:4
= "5" and EXI1S3:0 = "1", Port 51 is used as EXI1).
EXI1S7-4
EXI1S3-0
0 1 2 3 4 5 6 7
0 P00 P01 P02 P03 P04 P05 - -
1 PXT0 PXT1 - - - - - -
2 P20 P21 P22 P23 - - - -
3 P30 P31 P32 P33 P34 P35 P36 P37
4 P40 P41 P42 P43 P44 P45 P46 P47
5 P50 P51 P52 P53 P54 P55 P56 P57
Setting other than above is prohibited.