ZHCSO29 July   2021 LP5890

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 说明（续）
  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 and 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 Soft_Reset Command
        4. 8.5.3.4 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  FC10
      7. 8.7.7  FC11
      8. 8.7.8  FC12
      9. 8.7.9  FC13
      10. 8.7.10 FC14
      11. 8.7.11 FC15
  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 and Short Read
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 接收文档更新通知
    2. 12.2 支持资源
    3. 12.3 Trademarks
    4. 12.4 Electrostatic Discharge Caution
    5. 12.5 术语表
  13. 13Mechanical, Packaging, and Orderable Information

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

8.7.4 FC3

FC3 is shown in FC3 Register and described in FC3 Register Field Descriptions.

Figure 8-28 FC3 Register
47464544434241403938373635343332
LSDVTH_BLSDVTH_GLSDVTH_RLSD_RMBC
R/W-000bR/W-000bR/W-000bR/W-0111bR/W-011b
31302928272625242322212019181716
CC_BCC_G
R/W-0111 1111bR/W-0111 1111b
1514131211109876543210
CC_RRESERVED
R/W-0111 1111bR-00000000b
Table 8-10 FC3 Register Field Descriptions
BitFieldTypeResetDescription
7-0RESERVEDR0000 0000b
15-8CC_RR/W0111 1111bSet the Red color brightness level
0000 0000b: level 0 (lowest)
...
0111 1111b: level 127 (middle)
...
1111 1111b: level 255 (highest)
23-16CC_GR/W0111 1111bSet the Green color brightness level
0000 0000b: level 0 (lowest)
...
0111 1111b: level 127 (middle)
...
1111 1111b: level 255 (highest)
31-24CC_BR/W0111 1111bSet the Blue color brightness level
0000 0000b: level 0 (lowest)
...
0111 1111b: level 127 (middle)
...
1111 1111b: level 255 (highest)
34-32BCR/W011bSet the global brightness level
000b: level 0 (lowest)
...
011b: level 3 (middle)
...
111b: level 7 (highest)
38-35LSD_RMR/W0111bSet the LED short removal level
0000b: level 1
0001b: level 2
0010b: level 3
0011b: level 4
0100b: level 5
0101b: level 6
0110b: level 7
0111b: level 8
1000b: level 9
1001b: level 10
1010b: level 11
1011b: level 12
1100b: level 13
1101b: level 14
1110b: level 15
1111b: level 16
41-39LSDVTH_RR/W000bSet the Red LED short/weak short circuitry detection threshold
000b: 0.2 V
001b: 0.4 V
010b: 0.8 V
011b: 1.0 V
100b: 1.2 V
101b: 1.4 V
110b: 1.6 V
111b: 1.8 V
44-42LSDVTH_GR/W000bSet the Green LED short/weak short circuitry detection threshold
000b: 0.2 V
001b: 0.4 V
010b: 0.8 V
011b: 1.2 V
100b: 1.6 V
101b: 2 V
110b: 2.4 V
111b: 2.8 V
47-45LSDVTH_BR/W000bSet the Blue LED short/weak short circuitry detection threshold
000b: 0.2 V
001b: 0.4 V
010b: 0.8 V
011b: 1.2 V
100b: 1.6 V
101b: 2 V
110b: 2.4 V
111b: 2.8 V
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