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©2018 Integrated Device Technology, Inc
September 12, 2018
8A3xxxx Family Programming Guide
Module: OUTPUT_TDC_CFG
Configure the global parameters of the output TDC.
OUTPUT_TDC_CFG.OUTPUT_TDC_CFG_GBL_0
Configure the fast lock enable delay.
TOD_READ_TRIGGER_M
ODE[4]
R/W
0
Select single shot TOD read or continuous TOD read.
This field will be cleared after the first TOD read finish.
0 = single shot
1 = continuous
TOD_READ_TRIGGER[3:
0]
R/W
0
Read TOD trigger.
For options 2, 3, 4 and 6, the trigger is always on the rising edge of the selected
signal. This field will be cleared after the first TOD read finish.
0 = disabled, no trigger
1 = immediate
2 = internal ToD PPS signal
3 = selected reference clock input
4 = selected PWM decoder's 1 PPS output
5 = reserved
6 = a write to DPLL_WR_FREQ
7 = selected GPIO
Table 372: OUTPUT_TDC_CFG Register Index
Offset
(Hex)
Register Module Base Address: CCD0h
Individual Register Name
Register Description
000h
OUTPUT_TDC_CFG.OUTPUT_TDC_CFG_GB
L_0
Fastlock enable delay.
002h
OUTPUT_TDC_CFG.OUTPUT_TDC_CFG_GB
L_1
Fastlock disable delay.
004h
OUTPUT_TDC_CFG.OUTPUT_TDC_CFG_GB
L_2
Output TDC configuration.
Table 373: OUTPUT_TDC_CFG.OUTPUT_TDC_CFG_GBL_0 Bit Field Locations and Descriptions
Offset
Address
(Hex)
OUTPUT_TDC_CFG.OUTPUT_TDC_CFG_GBL_0 Bit Field Locations
D7
D6
D5
D4
D3
D2
D1
D0
000h
FAST_LOCK_ENABLE_DELAY[7:0]
001h
FAST_LOCK_ENABLE_DELAY[15:8]
TOD_READ_SECONDARY_0.TOD_READ_SECONDARY_CMD Bit Field Descriptions
Bit Field Name
Field Type Default Value
Description