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©2018 Integrated Device Technology, Inc
September 12, 2018
8A3xxxx Family Programming Guide
SYS_DPLL_CTRL.SYS_DPLL_COMBO_MASTER_CFG
DPLL combo master configuration.
Module: DPLL_PHASE_0
Configures the DPLL phase.
SYS_DPLL_CTRL.SYS_DPLL_COMBO_MASTER_BW Bit Field Descriptions
Bit Field Name
Field Type Default Value
Description
BW_UNIT[15:14]
R/W
0
Combo filter bandwidth unit.
0 = uHz
1 = mHz
2 = Hz
3 = kHz
SYS_DPLL_COMBO_MAS
TER_BW[13:0]
R/W
0
Unsigned 14-bit Combo filter bandwidth value.
Table 291: SYS_DPLL_CTRL.SYS_DPLL_COMBO_MASTER_CFG Bit Field Locations and Descriptions
Offset
Address
(Hex)
SYS_DPLL_CTRL.SYS_DPLL_COMBO_MASTER_CFG Bit Field Locations
D7
D6
D5
D4
D3
D2
D1
D0
016h
RESERVED[7:2]
FILTER_IN_
SELECT[1]
HOLD_EN[0]
SYS_DPLL_CTRL.SYS_DPLL_COMBO_MASTER_CFG Bit Field Descriptions
Bit Field Name
Field Type Default Value
Description
RESERVED
N/A
-
This field must not be modified from the read value
FILTER_IN_SELECT[1]
R/W
0
Select filtered DCO value as combo source.
0 = integrator value only
1 = sum of proportional and integrator
HOLD_EN[0]
R/W
0
Combo bus output hold (freeze).
0 = no hold
1 = hold (freeze).
Table 292: DPLL_PHASE_0 Register Index
Offset
(Hex)
Register Module Base Address: C818h
a
a. This register module is instantiated multiple times. This is the base address of the first instantiation of this module. For later instantiations,
use the appropriate module base address.
Individual Register Name
Register Description
000h
Set phase offset in write phase mode.