Cypress FM4 Series - Page 682

CHAPTER 12: I/O Port
682 FM4 Peripheral Manual, Doc. No. 002-04856 Rev. *E
[bit3:2] SCS7B : SCS7 Input/Output Select bits
Selects input/output for SCS7.
The setting method of this bit is different from product TYPE.
 TYPE1-M4 and TYPE2-M4 products.
bit
Description
Reading
Reads out the register value.
Writing
00
Uses SCS7_0 at the input pin of MFS ch.7 SCS.
Does not produce output. [Initial value]
01
Uses SCS7_0 at the input pin of MFS ch.7 SCK.
Uses SCS7_0 at the output pin.
10
Uses SCS7_1 at the input pin of MFS ch.7 SCK.
Uses SCS7_1 at the output pin.
11
Uses SCS7_2 at the input pin of MFS ch.7 SCK.
Uses SCS7_2 at the output pin.
 TYPE3-M4, TYPE4-M4, TYPE5-M4 products.
bit
Description
Reading
Reads out the register value.
Writing
00
Uses SCS70_0 at the input pin of MFS ch.7 SCS.
Does not produce output. [Initial value]
01
Uses SCS70_0 at the input pin of MFS ch.7 SCK.
Uses SCS7_0 at the output pin.
10
Uses SCS70_1 at the input pin of MFS ch.7 SCK.
Uses SCS70_1 at the output pin.
11
Uses SCS70_2 at the input pin of MFS ch.7 SCK.
Uses SCS70_2 at the output pin.
Set these bits as “00” and EPFR23 if the pins of SCS71_x – SCS73_x are used.
[bit1:0] SCS6B : SCS6 Select bits
Selects input/output for SCS6.
The setting method of this bit is different from product TYPE.
 TYPE1-M4, TYPE2-M4, TYPE6-M4 products.
bit
Description
Reading
Reads out the register value.
Writing
00
Uses SCS6_0 at the input pin of MFS ch.6 SCS.
Does not produce output. [Initial value]
01
Uses SCS6_0 at the input pin of MFS ch.6 SCS
Uses SCS6_0 at the output pin.
10
Uses SCS6_1 at the input pin of MFS ch.6 SCS.
Uses SCS6_1 at the output pin.
11
Uses SCS6_2 at the input pin of MFS ch.6 SCS.
Uses SCS6_2 at the output pin.