Command Queue Packet - 2.2 English

PG238 MIPI DSI Transmitter Subsystem Product Guide

Document ID
PG238
Release Date
2022-04-26
Version
2.2 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).