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©2018 Integrated Device Technology, Inc
September 12, 2018
8A3xxxx Family Programming Guide
DPLL_CTRL_0.DPLL_DCD_FILTER_CNFG
DPLL DCD filter configuration.
DPLL_CTRL_0.DPLL_COMBO_MASTER_BW
DPLL combo filter bandwidth.
Table 272: DPLL_CTRL_0.DPLL_DCD_FILTER_CNFG Bit Field Locations and Descriptions
Offset
Address
(Hex)
DPLL_CTRL_0.DPLL_DCD_FILTER_CNFG Bit Field Locations
D7
D6
D5
D4
D3
D2
D1
D0
036h
DCD_MANU_UPDATE_RAT
E_CNFG[7:6]
DCD_MANU_GAIN_SHIFT[5:1]
DCD_MANU
_EN[0]
037h
RESERVED[
15]
DCD_LPF_COE[14:10]
DCD_MANU_UPDATE_RAT
E_CNFG[9:8]
DPLL_CTRL_0.DPLL_DCD_FILTER_CNFG Bit Field Descriptions
Bit Field Name
Field Type Default Value
Description
RESERVED
N/A
-
This field must not be modified from the read value
DCD_LPF_COE[14:10]
R/W
1010b
DCD low pass filter coefficient.
DCD_MANU_UPDATE_RA
TE_CNFG[9:6]
R/W
202h
Configure DCD manual calibration mode updating rate.
Updating rate = 10000/(2^dcd_manu_update_rate_cnfg) in hz.
DCD_MANU_GAIN_SHIFT
[5:1]
R/W
10h
DCD manual calibration mode gain down shift bits.
DCD_MANU_EN[0]
R/W
0001b
Enable DCD manual calibration mode.
0 = disabled
1 = enabled
Table 273: DPLL_CTRL_0.DPLL_COMBO_MASTER_BW Bit Field Locations and Descriptions
Offset
Address
(Hex)
DPLL_CTRL_0.DPLL_COMBO_MASTER_BW Bit Field Locations
D7
D6
D5
D4
D3
D2
D1
D0
038h
DPLL_COMBO_MASTER_BW[7:0]
039h
BW_UNIT[15:14]
DPLL_COMBO_MASTER_BW[13:8]