Cypress FM4 Series - Extended Pin Function Setting Register 13 (EPFR13)

CHAPTER 12: I/O Port
666 FM4 Peripheral Manual, Doc. No. 002-04856 Rev. *E
4.21 Extended Pin Function Setting Register 13 (EPFR13)
The EPFR13 register assigns functions to pins of ch.12, ch.13, ch.14, and ch.15 of the base timer.
Register Configuration
bit
31
30
29
28
27
26
25
24
Field
Reserved
TIOB15S
TIOA15E
TIOA15S
Attribute
-
R/W
R/W
R/W
Initial value
-
00
00
00
bit
23
22
21
20
19
18
17
16
Field
Reserved
TIOB14S
TIOA14E
Reserved
Attribute
-
R/W
R/W
-
Initial value
-
00
00
-
bit
15
14
13
12
11
10
9
8
Field
Reserved
TIOB13S
TIOA13E
TIOA13S
Attribute
-
R/W
R/W
R/W
Initial value
-
00
00
00
bit
7
6
5
4
3
2
1
0
Field
Reserved
TIOB12S
TIOA12E
Reserved
Attribute
-
R/W
R/W
-
Initial value
-
00
00
-
Register Function
[bit31:30] Reserved: Reserved bits
0b00 is read out from these bits.
When writing these bits, set them to 0b00.
[bit29:28] TIOB15S: TIOB15 Input Select bits
Selects input for TIOB15.
bit29:28
Description
Reading
Reads out the register value.
Writing
00
Uses TIOB15_0 at the input pin of BT ch.15 TIOB. [Initial value]
01
Same as Writing 00.
10
Uses TIOB15_1 at the input pin of BT ch.15 TIOB.
11
Uses TIOB15_2 at the input pin of BT ch.15 TIOB.
[bit27:26] TIOA15E: TIOA15 Output Select bits
Selects output for TIOA15.
bit27:26
Description
Reading
Reads out the register value.
Writing
00
Does not produce the output of the BT ch.15 TIOA. [Initial value]
01
Uses TIOA15_0 at the output pin of BT ch.15 TIOA.
10
Uses TIOA15_1 at the output pin of BT ch.15 TIOA.
11
Uses TIOA15_2 at the output pin of BT ch.15 TIOA.