Cypress FM4 Series - Page 676

CHAPTER 12: I/O Port
676 FM4 Peripheral Manual, Doc. No. 002-04856 Rev. *E
[bit17:16] EINT24S: External Interrupt Input Select bits
Selects input for EINT24.
bit
Description
Reading
Reads out the register value.
Writing
00
Uses INT24_0 at the input pin of EINT ch.24. [Initial value]
01
Same as Writing 00.
10
Uses INT24_1 at the input pin of EINT ch.24.
11
Uses INT24_2 at the input pin of EINT ch.24.
[bit15:14] EINT23S: External Interrupt Input Select bits
Selects input for EINT23.
bit
Description
Reading
Reads out the register value.
Writing
00
Uses INT23_0 at the input pin of EINT ch.23. [Initial value]
01
Same as Writing 00.
10
Uses INT23_1 at the input pin of EINT ch.23.
11
Uses INT23_2 at the input pin of EINT ch.23.
[bit13:12] EINT22S: External Interrupt Input Select bits
Selects input for EINT22.
bit
Description
Reading
Reads out the register value.
Writing
00
Uses INT22_0 at the input pin of EINT ch.22. [Initial value]
01
Same as Writing 00.
10
Uses INT22_1 at the input pin of EINT ch.22.
11
Uses INT22_2 at the input pin of EINT ch.22.
[bit11:10] EINT21S: External Interrupt Input Select bits
Selects input for EINT21.
bit
Description
Reading
Reads out the register value.
Writing
00
Uses INT21_0 at the input pin of EINT ch.21. [Initial value]
01
Same as Writing 00.
10
Uses INT21_1 at the input pin of EINT ch.21.
11
Uses INT21_2 at the input pin of EINT ch.21.
[bit9:8] EINT20S: External Interrupt Input Select bits
Selects input for EINT20.
bit
Description
Reading
Reads out the register value.
Writing
00
Uses INT20_0 at the input pin of EINT ch.20. [Initial value]
01
Same as Writing 00.
10
Uses INT20_1 at the input pin of EINT ch.20.
11
Uses INT20_2 at the input pin of EINT ch.20.