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©2018 Integrated Device Technology, Inc
September 12, 2018
8A3xxxx Family Programming Guide
Module: OUTPUT_TDC_0
Configure the output TDC.
OUTPUT_TDC_0.OUTPUT_TDC_CTRL_0
Configure output TDC.
OUTPUT_TDC_CFG.OUTPUT_TDC_CFG_GBL_2 Bit Field Descriptions
Bit Field Name
Field Type Default Value
Description
RESERVED
N/A
-
This field must not be modified from the read value
REF_SEL[1]
R/W
0
Select reference clock for output TDC.
ref_sel change takes effect when 'enable' transitions from 0 -> 1.
If ref_sel is changed when 'enable' = 1, the change is ignored.
0 = XTAL
1 = XO_DPLL
ENABLE[0]
R/W
0
Enable or disable output TDC.
Output TDC is disabled by default to save power when not in use.
Ready state is indicated by OUTPUT_TDC_CFG_STATUS.state.
0 = disabled
1 = enabled
Table 376: OUTPUT_TDC_0 Register Index
Offset
(Hex)
Register Module Base Address: CD00h
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
OUTPUT_TDC_0.OUTPUT_TDC_CTRL_0
Output TDC control register.
002h
OUTPUT_TDC_0.OUTPUT_TDC_CTRL_1
Output TDC control register.
004h
OUTPUT_TDC_0.OUTPUT_TDC_CTRL_2
Output TDC control register.
005h
OUTPUT_TDC_0.OUTPUT_TDC_CTRL_3
Output TDC control register.
006h
OUTPUT_TDC_0.OUTPUT_TDC_CTRL_4
Output TDC control register.
Table 377: OUTPUT_TDC_0.OUTPUT_TDC_CTRL_0 Bit Field Locations and Descriptions
Offset
Address
(Hex)
OUTPUT_TDC_0.OUTPUT_TDC_CTRL_0 Bit Field Locations
D7
D6
D5
D4
D3
D2
D1
D0
000h
SAMPLES[7:0]
001h
SAMPLES[15:8]