Cypress FM4 Series - Page 635

CHAPTER 12: I/O Port
FM4 Peripheral Manual, Doc. No. 002-04856 Rev. *E 635
[bit7:6] EINT03S: External Interrupt Input Select bits
Selects input for EINT03.
bit
Description
Reading
Reads out the register value.
Writing
00
Uses INT03_0 at the input pin of EINT ch.3. [Initial value]
01
Same as Writing 00.
10
Uses INT03_1 at the input pin of EINT ch.3.
11
Uses INT03_2 at the input pin of EINT ch.3.
[bit5:4] EINT02S: External Interrupt Input Select bits
Selects input for EINT02.
bit
Description
Reading
Reads out the register value.
Writing
00
Uses INT02_0 at the input pin of EINT ch.2. [Initial value]
01
Same as Writing 00.
10
Uses INT02_1 at the input pin of EINT ch.2.
11
Uses INT02_2 at the input pin of EINT ch.2.
[bit3:2] EINT01S: External Interrupt Input Select bits
Selects input for EINT01.
bit
Description
Reading
Reads out the register value.
Writing
00
Uses INT01_0 at the input pin of EINT ch.1. [Initial value]
01
Same as Writing 00.
10
Uses INT01_1 at the input pin of EINT ch.1.
11
Uses INT01_2 at the input pin of EINT ch.1.
[bit1:0] EINT00S: External Interrupt Input Select bits
Selects input for EINT00.
bit
Description
Reading
Reads out the register value.
Writing
00
Uses INT00_0 at the input pin of EINT ch.0. [Initial value]
01
Same as Writing 00.
10
Uses INT00_1 at the input pin of EINT ch.0.
11
Uses INT00_2 at the input pin of EINT ch.0.
Note:
− This register is not initialized by deep standby transition reset.