
90
©2018 Integrated Device Technology, Inc
September 12, 2018
8A3xxxx Family Programming Guide
STATUS.OUTPUT_TDC1_MEASUREMENT
Indicates output TDC 1 measurement.
STATUS.OUTPUT_TDC2_MEASUREMENT
Indicates output TDC 2 measurement.
Table 100: STATUS.OUTPUT_TDC1_MEASUREMENT Bit Field Locations and Descriptions
Offset
Address
(Hex)
STATUS.OUTPUT_TDC1_MEASUREMENT Bit Field Locations
D7
D6
D5
D4
D3
D2
D1
D0
0C4h
PHASE[7:0]
0C5h
PHASE[15:8]
0C6h
PHASE[23:16]
0C7h
PHASE[31:24]
0C8h
PHASE[39:32]
0C9h
PHASE[47:40]
STATUS.OUTPUT_TDC1_MEASUREMENT Bit Field Descriptions
Bit Field Name
Field Type Default Value
Description
PHASE[47:0]
R/O
0
Output TDC measurement.
Signed 48-bit integer in picoseconds.
Measurement = sum of samples / number of samples
A sample is collected every 100us.
Positive value indicates the target edge leads the source edge.
i.e.. source edge is to the left of the target edge
Table 101: STATUS.OUTPUT_TDC2_MEASUREMENT Bit Field Locations and Descriptions
Offset
Address
(Hex)
STATUS.OUTPUT_TDC2_MEASUREMENT Bit Field Locations
D7
D6
D5
D4
D3
D2
D1
D0
0CCh
PHASE[7:0]
0CDh
PHASE[15:8]
0CEh
PHASE[23:16]
0CFh
PHASE[31:24]
0D0h
PHASE[39:32]
0D1h
PHASE[47:40]