Cypress FM4 Series - Extended Pin Function Setting Register 28 (EPFR28)

CHAPTER 12: I/O Port
716 FM4 Peripheral Manual, Doc. No. 002-04856 Rev. *E
4.36 Extended Pin Function Setting Register 28 (EPFR28)
EPFR28 register sets the function assignment to GDC Panel pins.
Register Configuration
bit
31
30
29
28
27
26
25
24
Field
PNL_PD15E
PNL_PD14E
PNL_PD13E
PNL_PD12E
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
PNL_PD11E
PNL_PD10E
PNL_PD9E
PNL_PD8E
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
PNL_PD7E
PNL_PD6E
PNL_PD5E
PNL_PD4E
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
PNL_PD3E
PNL_PD2E
PNL_PD1E
PNL_PD0E
Attribute
R/W
R/W
R/W
R/W
Initial value
00
00
00
00
Register Function
[bit31:30] PNL_PD15E: PNL_PD15 Output Select bits
Selects output for PNL_PD15.
bit
Description
Reading
Reads out the register value.
Writing
00
Does not produce output of GDC Panel PNL_PD15. [Initial value]
01
Uses PNL_PD15_0 at the output pin of GDC Panel PNL_PD15.
10
Setting is prohibited.
11
Setting is prohibited.
[bit29:28] PNL_PD14E: PNL_PD14 Output Select bits
Selects output for PNL_PD14.
bit
Description
Reading
Reads out the register value.
Writing
00
Does not produce output of GDC Panel PNL_PD14. [Initial value]
01
Uses PNL_PD14_0 at the output pin of GDC Panel PNL_PD14.
10
Setting is prohibited.
11
Setting is prohibited.