SNVSC61A August   2022  – December 2022 LP5891-Q1

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Description (continued)
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Timing Requirements
    7. 7.7 Switching Characteristics
    8. 7.8 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Independent and Stackable Mode
        1. 8.3.1.1 Independent Mode
        2. 8.3.1.2 Stackable Mode
      2. 8.3.2 Current Setting
        1. 8.3.2.1 Brightness Control (BC) Function
        2. 8.3.2.2 Color Brightness Control (CC) Function
        3. 8.3.2.3 Choosing BC/CC for a Different Application
      3. 8.3.3 Frequency Multiplier
      4. 8.3.4 Line Transitioning Sequence
      5. 8.3.5 Protections and Diagnostics
        1. 8.3.5.1 Thermal Shutdown Protection
        2. 8.3.5.2 IREF Resistor Short Protection
        3. 8.3.5.3 LED Open Load Detection and Removal
          1. 8.3.5.3.1 LED Open Detection
          2. 8.3.5.3.2 Read LED Open Information
          3. 8.3.5.3.3 LED Open Caterpillar Removal
        4. 8.3.5.4 LED Short and Weak Short Circuitry Detection and Removal
          1. 8.3.5.4.1 LED Short/Weak Short Detection
          2. 8.3.5.4.2 Read LED Short Information
          3. 8.3.5.4.3 LSD Caterpillar Removal
    4. 8.4 Device Functional Modes
    5. 8.5 Continuous Clock Series Interface
      1. 8.5.1 Data Validity
      2. 8.5.2 CCSI Frame Format
      3. 8.5.3 Write Command
        1. 8.5.3.1 Chip Index Write Command
        2. 8.5.3.2 VSYNC Write Command
        3. 8.5.3.3 MPSM Write Command
        4. 8.5.3.4 Standby Clear and Enable Command
        5. 8.5.3.5 Soft_Reset Command
        6. 8.5.3.6 Data Write Command
      4. 8.5.4 Read Command
    6. 8.6 PWM Grayscale Control
      1. 8.6.1 Grayscale Data Storage and Display
        1. 8.6.1.1 Memory Structure Overview
        2. 8.6.1.2 Details of Memory Bank
        3. 8.6.1.3 Write a Frame Data into Memory Bank
      2. 8.6.2 PWM Control for Display
    7. 8.7 Register Maps
      1. 8.7.1  FC0
      2. 8.7.2  FC1
      3. 8.7.3  FC2
      4. 8.7.4  FC3
      5. 8.7.5  FC4
      6. 8.7.6  FC14
      7. 8.7.7  FC15
      8. 8.7.8  FC16
      9. 8.7.9  FC17
      10. 8.7.10 FC18
      11. 8.7.11 FC19
      12. 8.7.12 FC20
      13. 8.7.13 FC21
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
        1. 9.2.1.1 System Structure
        2. 9.2.1.2 SCLK Frequency
        3. 9.2.1.3 Internal GCLK Frequency
        4. 9.2.1.4 Line Switch Time
        5. 9.2.1.5 Blank Time Removal
        6. 9.2.1.6 BC and CC
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Chip Index Command
        2. 9.2.2.2 FC Registers Settings
        3. 9.2.2.3 Grayscale Data Write
        4. 9.2.2.4 VSYNC Command
        5. 9.2.2.5 LED Open, Short Read
      3. 9.2.3 Application Curves
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  10. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 Receiving Notification of Documentation Updates
    3. 10.3 Support Resources
    4. 10.4 Trademarks
    5. 10.5 Electrostatic Discharge Caution
    6. 10.6 Glossary
  11. 11Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

8.7.1 FC0

FC0 is shown in Figure 8-29 and described in Table 8-7.

Figure 8-29 FC0 Register
47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32
LSD_RM_EN RESERVED GRP_DLY_B GRP_DLY_G GRP_DLY_R RESERVED
R/W-0b R-01b R/W-000b R/W-000b R/W-000b R-000b
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
FREQ_MUL FREQ_MOD RESERVED SUBP_NUM SCAN_NUM
R/W-0111b R/W-0b R-000b R/W-000b R/W-000000b
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
LODRM_EN PSP_MOD PS_EN RESERVED PDC_EN RESERVED CHIP_NUM
R/W-0b R/W-00b R/W-0b R-000b R/W-1b R-000b R/W-00111b
Table 8-7 FC0 Register Field Descriptions
Bit Field Type Reset Description
4-0 CHIP_NUM R/W 00111b Set the device number
00000b: 1 device
...
01111b: 16 devices
...
11111b: 32 devices
7-5 RESERVED R 000b
8 PDC_EN R/W 1b Enable or disable pre-discharge function
0b: disable
1b: enable
11-9 RESERVED R 000b
12 PS_EN R/W 0b Enable or disable the power saving mode
0b: disable
1b: enable
14-13 PSP_MOD R/W 00b Set the powering saving plus mode
00b: disable
01b: save power at high level
10b: save power at middle level
11b: save power at low level
15 LODRM_EN R/W 0b Enable or disable the LED open load removal function
0b: disable
1b: enable
21-16 SCAN_NUM R/W 000000b Set the scan line number
000000b: 1 line
...
001111b: 16 lines
...
011111b: 32 lines
...
111111b: 64 lines
24-22 SUBP_NUM R/W 000b Set the subperiod number
000b: 16
001b: 32
010b: 48
011b: 64
100b: 80
101b: 96
110b: 112
111b: 128
27-25 RESERVED R 000b
28 FREQ_MOD R/W 0b Set the GCLK multiplier mode
0b: high frequency mode, 80MHz to 160MHz
1b: low frequency mode, 40MHz to 80MHz
32-29 FREQ_MUL R/W 0111b Set the GCLK multiplier frequency
0000b: 1 x SCLK frequency
...
0111b: 8 x SCLK frequency
...
1111b: 16 x SCLK frequency
35-33 RESERVED R 000b
38-36 GRP_DLY_R R/W 000b Set the Red group delay, forward PWM mode only
000b: no delay
001b: 1 GCLK
010b: 2 GCLK
011b: 3 GCLK
100b: 4 GCLK
101b: 5 GCLK
110b: 6 GCLK
111b: 7 GCLK
41-39 GRP_DLY_G R/W 000b Set the Green group delay, forward PWM mode only
000b: no delay
001b: 1 GCLK
010b: 2 GCLK
011b: 3 GCLK
100b: 4 GCLK
101b: 5 GCLK
110b: 6 GCLK
111b: 7 GCLK
44-42 GRP_DLY_B R/W 000b Set the Blue group delay, forward PWM mode only
000b: no delay
001b: 1 GCLK
010b: 2 GCLK
011b: 3 GCLK
100b: 4 GCLK
101b: 5 GCLK
110b: 6 GCLK
111b: 7 GCLK
46-45 RESERVED R 01b
47 LSD_RM_EN R/W 0b Enable or disable short LED caterpillar
0b: disable
1b: enable