Cypress FM4 Series - Extended Pin Function Setting Register 06 (EPFR06)

CHAPTER 12: I/O Port
632 FM4 Peripheral Manual, Doc. No. 002-04856 Rev. *E
4.14 Extended Pin Function Setting Register 06 (EPFR06)
The EPFR06 register assigns functions to external interrupt pins.
Register Configuration
bit
31
30
29
28
27
26
25
24
Field
EINT15S
EINT14S
EINT13S
EINT12S
Attribute
R/W
R/W
R/W
R/W
Initial value
00
00
00
00
bit
23
22
21
20
19
18
17
16
Field
EINT11S
EINT10S
EINT09S
EINT08S
Attribute
R/W
R/W
R/W
R/W
Initial value
00
00
00
00
bit
15
14
13
12
11
10
9
8
Field
EINT07S
EINT06S
EINT05S
EINT04S
Attribute
R/W
R/W
R/W
R/W
Initial value
00
00
00
00
bit
7
6
5
4
3
2
1
0
Field
EINT03S
EINT02S
EINT01S
EINT00S
Attribute
R/W
R/W
R/W
R/W
Initial value
00
00
00
00
Register Function
[bit31:30] EINT15S: External Interrupt Input Select bits
Selects input for EINT15.
bit
Description
Reading
Reads out the register value.
Writing
00
Uses INT15_0 at the input pin of EINT ch.15. [Initial value]
01
Same as Writing 00.
10
Uses INT15_1 at the input pin of EINT ch.15.
11
Uses INT15_2 at the input pin of EINT ch.15.
[bit29:28] EINT14S: External Interrupt Input Select bits
Selects input for EINT14.
bit
Description
Reading
Reads out the register value.
Writing
00
Uses INT14_0 at the input pin of EINT ch.14. [Initial value]
01
Same as Writing 00.
10
Uses INT14_1 at the input pin of EINT ch.14.
11
Uses INT14_2 at the input pin of EINT ch.14.