Cypress FM4 Series - Page 650

CHAPTER 12: I/O Port
650 FM4 Peripheral Manual, Doc. No. 002-04856 Rev. *E
[bit28] UEA21E: UEA21E Output Select bit
Selects output for external bus Address21.
bit
Description
Reading
Reads out the register value.
Writing
0
Does not produce output for user external bus MAD21. [Initial value]
1
Produces output for user external bus MAD21.
[bit27] UEA20E: UEA20E Output Select bit
Selects output for external bus Address20.
bit
Description
Reading
Reads out the register value.
Writing
0
Does not produce output for user external bus MAD20. [Initial value]
1
Produces output for user external bus MAD20.
[bit26] UEA19E: UEA19E Output Select bit
Selects output for external bus Address19.
bit
Description
Reading
Reads out the register value.
Writing
0
Does not produce output for user external bus MAD19. [Initial value]
1
Produce output for user external bus MAD19.
[bit25] UEA18E: UEA18E Output Select bit
Selects output for external bus Address18.
bit
Description
Reading
Reads out the register value.
Writing
0
Does not produce output for user external bus MAD18. [Initial value]
1
Produces output for user external bus MAD18.
[bit24] UEA17E: UEA17E Output Select bit
Selects output for external bus Address17.
bit
Description
Reading
Reads out the register value.
Writing
0
Does not produce output for user external bus MAD17. [Initial value]
1
Produces output for user external bus MAD17.
[bit23] UEA16E: UEA16E Output Select bit
Selects output for external bus Address16.
bit
Description
Reading
Reads out the register value.
Writing
0
Does not produce output for user external bus MAD16. [Initial value]
1
Produces output for user external bus MAD16.