Cypress FM4 Series - Page 653

CHAPTER 12: I/O Port
FM4 Peripheral Manual, Doc. No. 002-04856 Rev. *E 653
[bit10] UECS4E: UECS4E Output Select bit
Selects output for external bus CS4.
bit
Description
Reading
Reads out the register value.
Writing
0
Does not produce output for user external bus MCSX4. [Initial value]
1
Produces output for user external bus MCSX4.
[bit9] UECS3E: UECS3E Output Select bit
Selects output for external bus CS3.
bit
Description
Reading
Reads out the register value.
Writing
0
Does not produce output for user external bus MCSX3. [Initial value]
1
Produces output for user external bus MCSX3.
[bit8] UECS2E: UECS2E Output Select bit
Selects output for external bus CS2.
bit
Description
Reading
Reads out the register value.
Writing
0
Does not produce output for user external bus MCSX2. [Initial value]
1
Produces output for user external bus MCSX2.
[bit7] UECS1E: UECS1E Output Select bit
Selects output for external bus CS1.
bit
Description
Reading
Reads out the register value.
Writing
0
Does not produce output for user external bus MCSX1. [Initial value]
0
Produces output for user external bus MCSX1.
[bit6] UEFLSE: UEFLSE Output Select bit
Selects output for external bus NAND-Flash control signal.
bit
Description
Reading
Reads out the register value.
Writing
0
Does not produce output for user external bus MNALE, MNCLE, MNWEX, or MNREX. [Initial
value]
1
Produces output for user external bus MNALE, MNCLE, MNWEX, and MNREX.
[bit5] UEOEXE: UEOEXE Output Select bit
Selects output for external bus OEX.
bit
Description
Reading
Reads out the register value.
Writing
0
Does not produce output for user external bus MOEX. [Initial value]
1
Produces output for user external bus MOEX.