Lane<n> Information Registers - 5.4 English

MIPI CSI-2 Receiver Subsystem LogiCORE IP Product Guide (PG232)

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5.4 English

The Lane<n> Information register, where n is 0, 1, 2, or 3, is described in the following table and provides the status of the <n> data lane. This register is reset when any write to the Protocol Configuration register is detected, irrespective of whether the Protocol Configuration register contents are updated or not.

Table 1. Lane 0, 1, 2, 3 Information Register (0x40, 0x44, 0x48, 0x4C)
Bits Name Reset Value Access Description 2
31–6 Reserved N/A N/A Reserved
5 Stop state 0x0 RO Detection of stop state
4 Reserved N/A N/A Reserved
3 Reserved N/A N/A Reserved
2 skewcalhs 0x0 R Indicates the deskew reception
1 SoT error 0x0 R Detection of SoT Error
0 SoT Sync error 0x0 R Detection of SoT Synchronization Error
  1. Lane Information registers are present only for the maximum defined number of lanes. Reads to others registers gives 0x0.
  2. All bits are reported through the PPI.