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]
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