Altera cyclone V Technical Reference page 395

cv_5v4
2016.10.28
GPLMUX32 Fields
Bit
0
sel
GPLMUX33
Selection between GPIO and LoanIO output and output enable for GPIO33 and LoanIO33. These signals
drive the Pin Mux. The Pin Mux must be configured to use GPIO/LoanIO in addition to these settings
Only reset by a cold reset (ignores warm reset). NOTE: These registers should not be modified after IO
configuration.There is no support for dynamically changing the Pin Mux selections.
Module Instance
sysmgr
Offset:
0x658
Access:
RW
Important: To prevent indeterminate system behavior, reserved areas of memory must not be accessed by
31 30
15 14
GPLMUX33 Fields
Bit
0
sel
System Manager
Send Feedback
Name
Select source for GPIO/LoanIO 32. 0 : LoanIO 32
controls GPIO/LOANIO[32] output and output
enable signals. 1 : GPIO 32 controls GPIO/
LOANI[32] output and output enable signals.
0xFFD08000
software or hardware. Any area of the memory map that is not explicitly defined as a register
space or accessible memory is considered reserved.
29 28 27 26
13 12 11 10
Name
Select source for GPIO/LoanIO 33. 0 : LoanIO 33
controls GPIO/LOANIO[33] output and output
enable signals. 1 : GPIO 33 controls GPIO/
LOANI[33] output and output enable signals.
Description
Base Address
Bit Fields
25 24 23 22
Reserved
9 8 7 6
Reserved
Description
GPLMUX33
Access
Register Address
0xFFD08658
21 20 19 18
5 4 3 2
Access
5-201
Reset
RW 0x0
17 16
1 0
sel
RW 0x0
Reset
RW 0x0
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