Status Register - 2.3 English

MIPI DSI Transmitter Subsystem LogiCORE IP Product Guide (PG238)

Document ID
PG238
Release Date
2023-10-18
Version
2.3 English

This register captures different status conditions of the core.

Table 1. Status Register (0x2C)
Bits Name Reset Value Access Description
31:13 Reserved NA NA Reserved
12 Current command type under processing 0 R

0 - Short command when bit 11 is 1

1- long command when bit 11 is 1

11 Command execution in progress 0 R

Status of command execution in command mode.

When 0: No commands are being

processed. Can shift to Video mode.

10 Waiting for data 0 R

Waiting for data to process long

command. There is no timeout for this state in the core and it keeps waiting forever and until the data is received or data FIFO is reset.

9 Data FIFO Empty 0 R
Data FIFO Empty condition.
Note: Reset Value is 1 when Command mode is enabled.
8 Data FIFO Full 0 R Data FIFO Full condition
7 Ready for packet 0 R

1: The core is ready to accept a long command. If this bit is 0, any long command written to the command register is ignored

6 Ready for short packet 0 R

1: The core is ready to accept a short

command. If this bit is 0, any command written to the command register is

ignored

5:0 Command Queue Vacancy 0x20 R

This number gives an estimate of number of command queue entries that can safely be written to the Queue before it gets Full.

Command FIFO Depth is 31.

Command FIFO is Full when this count is 1.

Number of further commands you can write = Vacancy count - 1