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©2018 Integrated Device Technology, Inc
September 12, 2018
8A3xxxx Family Programming Guide
SYS_APLL.SYS_APLL_CP_CTRL_1
Sets the charge pump and 500uA enables for control 1.
CP_2_SS_ENABLE[5]
R/W
0
Enable source switching charge pump #2.
Must be low for 2.5V VDDA.
0 = disabled
1 = enabled.
CP_1_SS_ENABLE[4]
R/W
0
Enable source switching charge pump #1.
Must be low for 2.5V VDDA.
0 = disabled
1 = enabled.
SYS_APLL_CP_4_SS_500
U_ENABLE[3]
R/W
0
Enable source switching 500mA gain control for Charge Pump #4.
For use in 3.3V VDDA operation.
0 = disabled
1 = enabled.
SYS_APLL_CP_3_SS_500
U_ENABLE[2]
R/W
0
Enable source switching 500mA gain control for Charge Pump #3.
For use in 3.3V VDDA operation.
0 = disabled
1 = enabled.
SYS_APLL_CP_2_SS_500
U_ENABLE[1]
R/W
0
Enable source switching 500mA gain control for Charge Pump #2.
For use in 3.3V VDDA operation.
0 = disabled
1 = enabled.
SYS_APLL_CP_1_SS_500
U_ENABLE[0]
R/W
0
Enable source switching 500mA gain control for Charge Pump #1.
For use in 3.3V VDDA operation.
0 = disabled
1 = enabled.
Table 153: SYS_APLL.SYS_APLL_CP_CTRL_1 Bit Field Locations and Descriptions
Offset
Address
(Hex)
SYS_APLL.SYS_APLL_CP_CTRL_1 Bit Field Locations
D7
D6
D5
D4
D3
D2
D1
D0
006h
SYS_APLL_
CP_4_SS_12
5U_ENABLE[
7]
SYS_APLL_
CP_3_SS_12
5U_ENABLE[
6]
SYS_APLL_
CP_2_SS_12
5U_ENABLE[
5]
SYS_APLL_
CP_1_SS_12
5U_ENABLE[
4]
SYS_APLL_
CP_4_SS_25
0U_ENABLE[
3]
SYS_APLL_
CP_3_SS_25
0U_ENABLE[
2]
SYS_APLL_
CP_2_SS_25
0U_ENABLE[
1]
SYS_APLL_
CP_1_SS_25
0U_ENABLE[
0]
SYS_APLL.SYS_APLL_CP_CTRL_0 Bit Field Descriptions
Bit Field Name
Field Type Default Value
Description