Cypress FM4 Series - Page 677

CHAPTER 12: I/O Port
FM4 Peripheral Manual, Doc. No. 002-04856 Rev. *E 677
[bit7:6] EINT19S: External Interrupt Input Select bits
Selects input for EINT19.
bit
Description
Reading
Reads out the register value.
Writing
00
Uses INT19_0 at the input pin of EINT ch.19. [Initial value]
01
Same as Writing 00.
10
Uses INT19_1 at the input pin of EINT ch.19.
11
Uses INT19_2 at the input pin of EINT ch.19.
[bit5:4] EINT18S: External Interrupt Input Select bits
Selects input for EINT18.
bit
Description
Reading
Reads out the register value.
Writing
00
Uses INT18_0 at the input pin of EINT ch.18. [Initial value]
01
Same as Writing 00.
10
Uses INT18_1 at the input pin of EINT ch.18.
11
Uses INT18_2 at the input pin of EINT ch.18.
[bit3:2] EINT17S: External Interrupt Input Select bits
Selects input for EINT17.
bit
Description
Reading
Reads out the register value.
Writing
00
Uses INT17_0 at the input pin of EINT ch.17. [Initial value]
01
Same as Writing 00.
10
Uses INT17_1 at the input pin of EINT ch.17.
11
Uses INT17_2 at the input pin of EINT ch.17.
[bit1:0] EINT16S: External Interrupt Input Select bits
Selects input for EINT16.
bit
Description
Reading
Reads out the register value.
Writing
00
Uses INT16_0 at the input pin of EINT ch.16. [Initial value]
01
Same as Writing 00.
10
Uses INT16_1 at the input pin of EINT ch.16.
11
Uses INT16_2 at the input pin of EINT ch.16.
Note:
− This register is not initialized by deep standby transition reset.