Cypress FM4 Series - Page 687

CHAPTER 12: I/O Port
FM4 Peripheral Manual, Doc. No. 002-04856 Rev. *E 687
[bit9:8] SCK12B: SCK12 Input/Output Select bits
Selects input/output for SCK12.
bit
Description
Reading
Reads out the register value.
Writing
00
Uses SCK12_0 at the input pin of MFS ch.12 SCK.
Does not produce output. [Initial value]
01
Uses SCK12_0 at the input pin of MFS ch.12 SCK.
Uses SCK12_0 at the output pin.
10
Uses SCK12_1 at the input pin of MFS ch.12 SCK.
Uses SCK12_1 at the output pin.
11
Uses SCK12_2 at the input pin of MFS ch.12 SCK.
Uses SCK12_2 at the output pin.
[bit7:6] SOT12B: SOT12 Input/Output Select bits
Selects input/output for SOT12.
bit
Description
Reading
Reads out the register value.
Writing
00
Uses SOT12_0 at the input pin of MFS ch.12 SOT.
Does not produce output. [Initial value]
01
Uses SOT12_0 at the input pin of MFS ch.12 SOT.
Uses SOT12_0 at the output pin.
10
Uses SOT12_1 at the input pin of MFS ch.12 SOT.
Uses SOT12_1 at the output pin.
11
Uses SOT12_2 at the input pin of MFS ch.12 SOT.
Uses SOT12_2 at the output pin.
[bit5:4] SIN12S: SIN12 Input Select bits
Selects input for SIN12.
bit5:4
Description
Reading
Reads out the register value.
Writing
00
Uses SIN12_0 at the input pin of MFS ch.12 SIN. [Initial value]
01
Same as Writing 00.
10
Uses SIN12_1 at the input pin of MFS ch.12 SIN.
Uses SIN12_2 at the input pin of MFS ch.12 SIN.
[bit3:0] Reserved: Reserved bits
0b0000 is read from these bits.
When writing these bits, set them to 0b0000.
Note:
− This register is not initialized by deep standby transition reset.