Cypress FM4 Series - Page 681

CHAPTER 12: I/O Port
FM4 Peripheral Manual, Doc. No. 002-04856 Rev. *E 681
[bit11:10] SIN9S: SIN9 Input Select bits
Selects input for SIN9.
bit
Description
Reading
Reads out the register value.
Writing
00
Uses SIN9_0 at the input pin of MFS ch.9 SIN. [Initial value]
01
Same as Writing 00.
10
Uses SIN9_1 at the input pin of MFS ch.9 SIN.
11
Uses SIN9_2 at the input pin of MFS ch.9 SIN.
[bit9:8] SCK8B: SCK8 Input/Output Select bits
Selects input/output for SCK8.
bit
Description
Reading
Reads out the register value.
Writing
00
Uses SCK8_0 at the input pin of MFS ch.8 SCK.
Does not produce output. [Initial value]
01
Uses SCK8_0 at the input pin of MFS ch.8 SCK.
Uses SCK8_0 at the output pin.
10
Uses SCK8_1 at the input pin of MFS ch.8 SCK.
Uses SCK8_1 at the output pin.
11
Uses SCK8_2 at the input pin of MFS ch.8 SCK.
Uses SCK8_2 at the output pin.
[bit7:6] SOT8B: SOT8 Input/Output Select bits
Selects input/output for SOT8.
bit
Description
Reading
Reads out the register value.
Writing
00
Uses SOT8_0 at the input pin of MFS ch.8 SOT.
Does not produce output. [Initial value]
01
Uses SOT8_0 at the input pin of MFS ch.8 SOT.
Uses SOT8_0 at the output pin.
10
Uses SOT8_1 at the input pin of MFS ch.8 SOT.
Uses SOT8_1 at the output pin.
11
Uses SOT8_2 at the input pin of MFS ch.8 SOT.
Uses SOT8_2 at the output pin.
[bit5:4] SIN8S: SIN8 Input Select bits
Selects input for SIN4.
bit
Description
Reading
Reads out the register value.
Writing
00
Uses SIN8_0 at the input pin of MFS ch.8 SIN. [Initial value]
01
Same as Writing 00.
10
Uses SIN8_1 at the input pin of MFS ch.8 SIN.
11
Uses SIN8_2 at the input pin of MFS ch.8 SIN.