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©2018 Integrated Device Technology, Inc
September 12, 2018
8A3xxxx Family Programming Guide
SYS_APLL.SYS_APLL_CP_CTRL_1 Bit Field Descriptions
Bit Field Name
Field Type Default Value
Description
SYS_APLL_CP_4_SS_125
U_ENABLE[7]
R/W
0
Enable source switching 125mA gain control for Charge Pump #4.
For use in 3.3V VDDA operation
0 = disabled
1 = enabled.
SYS_APLL_CP_3_SS_125
U_ENABLE[6]
R/W
0
Enable source switching 125mA gain control for Charge Pump #3.
For use in 3.3V VDDA operation
0 = disabled
1 = enabled.
SYS_APLL_CP_2_SS_125
U_ENABLE[5]
R/W
0
Enable source switching 125mA gain control for Charge Pump #2.
For use in 3.3V VDDA operation
0 = disabled
1 = enabled.
SYS_APLL_CP_1_SS_125
U_ENABLE[4]
R/W
0
Enable source switching 125mA gain control for Charge Pump #1.
For use in 3.3V VDDA operation
0 = disabled
1 = enabled.
SYS_APLL_CP_4_SS_250
U_ENABLE[3]
R/W
0
Enable source switching 250mA gain control for Charge Pump #4.
For use in 3.3V VDDA operation.
0 = disabled
1 = enabled.
SYS_APLL_CP_3_SS_250
U_ENABLE[2]
R/W
0
Enable source switching 250mA gain control for Charge Pump #3.
For use in 3.3V VDDA operation.
0 = disabled
1 = enabled.
SYS_APLL_CP_2_SS_250
U_ENABLE[1]
R/W
0
Enable source switching 250mA gain control for Charge Pump #2.
For use in 3.3V VDDA operation.
0 = disabled
1 = enabled.
SYS_APLL_CP_1_SS_250
U_ENABLE[0]
R/W
0
Enable source switching 250mA gain control for Charge Pump #1.
For use in 3.3V VDDA operation.
0 = disabled
1 = enabled.