Cypress FM4 Series - Page 638

CHAPTER 12: I/O Port
638 FM4 Peripheral Manual, Doc. No. 002-04856 Rev. *E
[bit17:16] SIN2S: SIN2 Input Select bits
Selects input for SIN2.
bit
Description
Reading
Reads out the register value.
Writing
00
Uses SIN2_0 at the input pin of MFS ch.2 SIN. [Initial value]
01
Same as Writing 00.
10
Uses SIN2_1 at the input pin of MFS ch.2 SIN.
11
Uses SIN2_2 at the input pin of MFS ch.2 SIN.
[bit15:14] SCK1B: SCK1 Input/Output Select bits
Selects input/output for SCK1.
bit
Description
Reading
Reads out the register value.
Writing
00
Uses SCK1_0 at the input pin of MFS ch.1 SCK.
Does not produce output. [Initial value]
01
Uses SCK1_0 at the input pin of MFS ch.1 SCK.
Uses SCK1_0 at the output pin.
10
Uses SCK1_1 at the input pin of MFS ch.1 SCK.
Uses SCK1_1 at the output pin.
11
Uses SCK1_2 at the input pin of MFS ch.1 SCK.
Uses SCK1_2 at the output pin.
[bit13:12] SOT1B: SOT1 Input/Output Select bits
Selects input/output for SOT1.
bit
Description
Reading
Reads out the register value.
Writing
00
Uses SOT1_0 at the input pin of MFS ch.1 SOT.
Does not produce output. [Initial value]
01
Uses SOT1_0 at the input pin of MFS ch.1 SOT.
Uses SOT1_0 at the output pin.
10
Uses SOT1_1 at the input pin of MFS ch.1 SOT.
Uses SOT1_1 at the output pin.
11
Uses SOT1_2 at the input pin of MFS ch.1 SOT.
Uses SOT1_2 at the output pin.
[bit11:10] SIN1S: SIN1 Input Select bits
Selects input for SIN1.
bit
Description
Reading
Reads out the register value.
Writing
00
Uses SIN1_0 at the input pin of MFS ch.1 SIN. [Initial value]
01
Same as Writing 00.
10
Uses SIN1_1 at the input pin of MFS ch.1 SIN.
11
Uses SIN1_2 at the input pin of MFS ch.1 SIN.