The MIPI D-PHY RX core latency is the time from the start-of-transmission (SoT) pattern on the serial lines to the active hs signal assertion on the PPI. The HS_SETTLE period contributes significantly in the D-PHY latency calculation.
Table 2-1:
D-PHY Latency
Data Type
|
Pixel Mode
|
Line Rate
|
Latency in rxbyteclk
(HS_SETTLE + Internal latency)
|
RAW20
|
Single
|
1000
|
26(23+3)
|
RAW8
|
Single
|
1000
|
26(23+3)
|
RAW8
|
Dual
|
1000
|
26(23+3)
|
RAW8
|
Quad
|
1000
|
26(23+3)
|
RAW10
|
Single
|
1000
|
26(23+3)
|
RAW10
|
Dual
|
1200
|
30(26+4)
|
RAW10
|
Quad
|
800
|
22(20+2)
|
Notes:
1.
All the calculations are made for a single lane design with a fixed video clock of 148 MHz.
|
Table: D-PHY Latency
provides the latency numbers for various core configurations.