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©2018 Integrated Device Technology, Inc
September 12, 2018
8A3xxxx Family Programming Guide
DPLL_0.DPLL_TOD_SYNC_CFG
DPLL ToD synchronization configuration.
DPLL_0.DPLL_PRED_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
WP_PRED[1]
R/W
0
Predefined configuration to be used for write phase input.
Write phase predefined configuration selection (0 or 1).
0 = pred0
1 = pred1
PRED_EN[0]
R/W
0
Enable predefined configurations.
0 = disabled
1 = enabled
Table 214: DPLL_0.DPLL_TOD_SYNC_CFG Bit Field Locations and Descriptions
Offset
Address
(Hex)
DPLL_0.DPLL_TOD_SYNC_CFG Bit Field Locations
D7
D6
D5
D4
D3
D2
D1
D0
031h
RESERVED[7:3]
TOD_SYNC_SOURCE[2:1]
TOD_SYNC_
EN[0]
DPLL_0.DPLL_TOD_SYNC_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
TOD_SYNC_SOURCE[2:1
]
R/W
0
The ToD synchronization source.
The ToD index this DPLL synchronize to.
0 = ToD0
1 = ToD1
2 = ToD2
3 = ToD3
TOD_SYNC_EN[0]
R/W
0
Enable the DPLL synchronizing to a ToD.
If enabled, when the source TOD write event happens, a phase snap on this
DPLL will be triggered and the phase of the DPLL output will align with the ToD
second boundary.
0 = disabled
1 = enabled