Introduction
Reference Document
1 Overview
2 CPU and Interconnect
3 Memories
4 System Controller
5 Image Subsystem
- 5.1 Overview
- 5.2 LCD Controller (LCDC)
- 5.3 Low Voltage Differential Signaling Controller (LVDSC)
- 5.4 2D Graphics Engine (GFX2D)
- 5.5 Display Serial Interface (DSI)
  - 5.5.1 Description
  - 5.5.2 Embedded Characteristics
  - 5.5.3 Block Diagram
  - 5.5.4 I/O Lines Description
  - 5.5.5 Product Dependencies
  - 5.5.6 Functional Description
  - 5.5 Register Summary
    - 5.5.1 DSI Power-Up Control Register
      DSI Power-Up Control Register
    - 5.5.2 DSI Clock Management Configuration Register
      DSI Clock Management Configuration Register
    - 5.5.3 DSI Input Video Virtual Channel ID Configuration Register
      DSI Input Video Virtual Channel ID Configuration Register
    - 5.5.4 DSI Input Video Color Coding Configuration Register
      DSI Input Video Color Coding Configuration Register
    - 5.5.5 DSI Input Video Polarity Configuration Register
      DSI Input Video Polarity Configuration Register
    - 5.5.6 DSI Input Video Timing for Low-Power Commands Configuration Register
      DSI Input Video Timing for Low-Power Commands Configuration Register
    - 5.5.7 DSI Protocol Configuration Register
      DSI Protocol Configuration Register
    - 5.5.8 DSI Read Generic Virtual Channel ID Configuration Register
      DSI Read Generic Virtual Channel ID Configuration Register
    - 5.5.9 DSI Mode of Operation Configuration Register
      DSI Mode of Operation Configuration Register
    - 5.5.10 DSI Video Mode Configuration Register
      DSI Video Mode Configuration Register
    - 5.5.11 DSI Video Mode Packet Size Configuration Register
      DSI Video Mode Packet Size Configuration Register
    - 5.5.12 DSI Video Mode Number of Chunks Configuration Register
      DSI Video Mode Number of Chunks Configuration Register
    - 5.5.13 DSI Video Mode Null Packets Size Configuration Register
      DSI Video Mode Null Packets Size Configuration Register
    - 5.5.14 DSI Video Mode HSA Time Configuration Register
      DSI Video Mode HSA Time Configuration Register
    - 5.5.15 DIS Video Mode HBP Time Configuration Register
      DIS Video Mode HBP Time Configuration Register
    - 5.5.16 DIS Video Mode HLINE Time Configuration Register
      DIS Video Mode HLINE Time Configuration Register
    - 5.5.17 DSI Video Mode VSA Lines Configuration Register
      DSI Video Mode VSA Lines Configuration Register
    - 5.5.18 DSI Video Mode VBP Lines Configuration Register
      DSI Video Mode VBP Lines Configuration Register
    - 5.5.19 DSI Video Mode VFP Lines Configuration Register
      DSI Video Mode VFP Lines Configuration Register
    - 5.5.20 DSI Video Mode VACTIVE Lines Configuration Register
      DSI Video Mode VACTIVE Lines Configuration Register
    - 5.5.21 DSI Command Mode Configuration Register
      DSI Command Mode Configuration Register
    - 5.5.22 DSI Generic Interface Header Register
      DSI Generic Interface Header Register
    - 5.5.23 DSI Generic Interface Payload Register
      DSI Generic Interface Payload Register
    - 5.5.24 DSI Command Packet Status Register
      DSI Command Packet Status Register
    - 5.5.25 DSI Timeout Counters Configuration Register
      DSI Timeout Counters Configuration Register
    - 5.5.26 DSI HS Read Response Timeout Counter Configuration Register
      DSI HS Read Response Timeout Counter Configuration Register
    - 5.5.27 DSI LP Read Response Timeout Counter Configuration Register
      DSI LP Read Response Timeout Counter Configuration Register
    - 5.5.28 DSI HS Write Response Timeout Counter Configuration Register
      DSI HS Write Response Timeout Counter Configuration Register
    - 5.5.29 DSI LP Write Response Timeout Counter Configuration Register
      DSI LP Write Response Timeout Counter Configuration Register
    - 5.5.30 DSI BTA Response Timeout Counter Configuration Register
      DSI BTA Response Timeout Counter Configuration Register
    - 5.5.31 DSI VSS Packet 3D Control Register
      DSI VSS Packet 3D Control Register
    - 5.5.32 DSI Clock Lane Control Register
      DSI Clock Lane Control Register
    - 5.5.33 DSI Clock Lane Switch Mode Timing Configuration Register
      DSI Clock Lane Switch Mode Timing Configuration Register
    - 5.5.34 DSI Data Lane Switch Mode Timing Configuration Register
      DSI Data Lane Switch Mode Timing Configuration Register
    - 5.5.35 DSI Reset and PLL Control Register
      DSI Reset and PLL Control Register
    - 5.5.36 DSI D-PHY Interface Configuration Register
      DSI D-PHY Interface Configuration Register
    - 5.5.37 DSI D-PHY ULPS Control Register
      DSI D-PHY ULPS Control Register
    - 5.5.38 DSI D-PHY Tx Trigger Control Register
      DSI D-PHY Tx Trigger Control Register
    - 5.5.39 DSI D-PHY Status Register
      DSI D-PHY Status Register
    - 5.5.40 DSI D-PHY Control Register 0
      DSI D-PHY Control Register 0
    - 5.5.41 DSI D-PHY Control Register 1
      DSI D-PHY Control Register 1
    - 5.5.42 DSI Interrupt Status Register 0
      DSI Interrupt Status Register 0
    - 5.5.43 DSI Interrupt Status Register 1
      DSI Interrupt Status Register 1
    - 5.5.44 DSI Interrupt Mask Configuration Register 0
      DSI Interrupt Mask Configuration Register 0
    - 5.5.45 DSI Interrupt Mask Configuration Register 1
      DSI Interrupt Mask Configuration Register 1
    - 5.5.46 DSI D-PHY Calibration Control Register
      DSI D-PHY Calibration Control Register
    - 5.5.47 DSI Interrupt Force Control Register 0
      DSI Interrupt Force Control Register 0
    - 5.5.48 DSI Interrupt Force Control Register 1
      DSI Interrupt Force Control Register 1
    - 5.5.49 DSI D-PHY Read Timing Configuration Register
      DSI D-PHY Read Timing Configuration Register
    - 5.5.50 DSI Video Mode Shadow Feature Control Register
      DSI Video Mode Shadow Feature Control Register
    - 5.5.51 DSI Input Video Virtual Channel ID Active Value Register
      DSI Input Video Virtual Channel ID Active Value Register
    - 5.5.52 DSI Input Video Color Coding Active Value Register
      DSI Input Video Color Coding Active Value Register
    - 5.5.53 DSI Input Video Timing for Low-Power Commands Active Value Register
      DSI Input Video Timing for Low-Power Commands Active Value Register
    - 5.5.54 DSI Video Mode Active Value Register
      DSI Video Mode Active Value Register
    - 5.5.55 DSI Video Mode Packet Size Active Value Register
      DSI Video Mode Packet Size Active Value Register
    - 5.5.56 DSI Video Mode Number of Chunks Active Value Register
      DSI Video Mode Number of Chunks Active Value Register
    - 5.5.57 DSI Video Mode Null Packets Size Active Value Register
      DSI Video Mode Null Packets Size Active Value Register
    - 5.5.58 DSI Video Mode HSA Time Active Value Register
      DSI Video Mode HSA Time Active Value Register
    - 5.5.59 DIS Video Mode HBP Time Active Value Register
      DIS Video Mode HBP Time Active Value Register
    - 5.5.60 DSI Video Mode HLINE Time Active Value Register
      DSI Video Mode HLINE Time Active Value Register
    - 5.5.61 DSI Video Mode VSA Lines Active Value Register
      DSI Video Mode VSA Lines Active Value Register
    - 5.5.62 DSI Video Mode VBP Lines Active Value Register
      DSI Video Mode VBP Lines Active Value Register
    - 5.5.63 DSI Video Mode VFP Lines Active Value Register
      DSI Video Mode VFP Lines Active Value Register
    - 5.5.64 DSI Video Mode VACTIVE Lines Active Value Register
      DSI Video Mode VACTIVE Lines Active Value Register
    - 5.5.65 DSI Video Mode Packet Status Register
      DSI Video Mode Packet Status Register
    - 5.5.66 DSI VSS Packet 3D Active Value Register
      DSI VSS Packet 3D Active Value Register
- 5.6 Camera Serial Interface (CSI)
- 5.7 CSI-2 Demultiplexer Controller (CSI2DC)
- 5.8 Image Sensor Controller (ISC)
6 Audio Subsystem
7 Security and Cryptography Subsystem
8 Connectivity Subsystem
9 USB Subsystem
10 Electrical and Mechanical Characteristics
11 Revision History
Microchip Information

5.5.57 DSI Video Mode Null Packets Size Active Value Register

Name:	DSI_VID_NULL_SIZE_ACT
Offset:	0x144
Reset:	0x00000000
Property:	Read-only


Bit	31	30	29	28	27	26	25	24

Access
Reset


Bit	23	22	21	20	19	18	17	16

Access
Reset


Bit	15	14	13	12	11	10	9	8
				VID_NULL_SIZE[12:8]
Access				R	R	R	R	R
Reset				0	0	0	0	0


Bit	7	6	5	4	3	2	1	0
	VID_NULL_SIZE[7:0]
Access	R	R	R	R	R	R	R	R
Reset	0	0	0	0	0	0	0	0

Bits 12:0 – VID_NULL_SIZE[12:0] Video Mode Null Packet Size

Specifies the number of bytes inside a null packet. Setting to 0 disables null packets.

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