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©2018 Integrated Device Technology, Inc
September 12, 2018
8A3xxxx Family Programming Guide
STATUS.OUTPUT_TDC3_STATUS
Indicates the hardware output TDC instance assigned and the status code.
RESERVED
N/A
-
This field must not be modified from the read value
STATUS[3:0]
R/O
0
Status code.
When output TDC is not enabled, this shows 'Disabled'.
When OUTPUT_TDC_CTRL_4.GO is set and the configuration is valid, this
transitions to 'In progress'. When the operation completes successfully, status
transitions back to 'Idle' and OUTPUT_TDC_CTRL_4.GO will be cleared.
When OUTPUT_TDC_CTRL_4.GO is set and there is an invalid configuration,
then OUTPUT_TDC_CTRL_4.GO will be cleared and this will indicate the error
condition encountered.
0 = disabled
1 = idle
2 = in progress
3 = error - invalid source/target
4 = error - non-uniform master divider freq
5 = error - start failed
6 = error - measurement timeout
Table 98: STATUS.OUTPUT_TDC3_STATUS Bit Field Locations and Descriptions
Offset
Address
(Hex)
STATUS.OUTPUT_TDC3_STATUS Bit Field Locations
D7
D6
D5
D4
D3
D2
D1
D0
0B0h
VALID[7]
RESERVED[6:4]
STATUS[3:0]
STATUS.OUTPUT_TDC3_STATUS Bit Field Descriptions
Bit Field Name
Field Type Default Value
Description
VALID[7]
R/O
0
Indicates a valid measurement or alignment has met target phase offset.
When go bit is set, valid is cleared.
Measurement mode: Indicates when OUTPUT_TDCn_MEASUREMENT is
valid.
Alignment mode: Indicates when all the alignment targets are within the
OUTPUT_TDC_CTRL_1.TARGET_PHASE_OFFSET.
0 = invalid
1 = valid
STATUS.OUTPUT_TDC2_STATUS Bit Field Descriptions
Bit Field Name
Field Type Default Value
Description