Command Queue Packet - 2.3 English

MIPI DSI Transmitter Subsystem Product Guide (PG238)

Document ID

PG238

Release Date

2022-10-19

Version

2.3 English

Table 2-10: Command Queue Packet (0x30)
Bits	Name	Reset Value	Access	Description
31:24	Reserved	NA	NA	Reserved
23:16	Data-1	0x0	R/W	Data byte 1 of short packet⁽¹⁾. Ignored in case of long packets.
15:8	Data 0/ WC	0x0	R/W	Data byte 0 of short packet⁽¹⁾. WC in case of Long packet data type. Supports a maximum WC of 251.
7:6	VC	0x0	R/W	VC value of command packet.
5:0	Data type	0x0	R/W	Long/short packet data type.
Notes: 1.The controller passes the payload content as-is and no checks are performed over the payload content. For example, the second byte of Generic Short WRITE with 1 parameter must be 0x00.

Table: Command Queue Packet Data Types describes the short packet data types that are supported. Command queue writes with any other data type value is ignored and indicated as Unsupported Data type in ISR.

Table 2-11: Command Queue Packet Data Types
Data Type	Description
0x07	Compression Mode Command
0x02	Color Mode (CM) Off Command
0x12	Color Mode (CM) On Command
0x22	Shut Down Peripheral Command
0x32	Turn On Peripheral Command
0x03	Generic Short WRITE, no parameters
0x13	Generic Short WRITE, 1 parameter
0x23	Generic Short WRITE, 2 parameters
0x05	DCS Short WRITE, no parameters
0x15	DCS Short WRITE, 1 parameter
0x16	Execute Queue ⁽¹⁾
0x37	Set Maximum Return Packet Size
Notes: 1.After the execute command is detected by the core, no further command queue packets are sent until a VSS and a frame end are seen as described in the DSI specification (Sec 8.7.2).