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LM4970 Datasheet(PDF) 8 Page - Texas Instruments |
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LM4970 Datasheet(HTML) 8 Page - Texas Instruments |
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8 / 19 page  LM4970 SNVS312D – JANUARY 2005 – REVISED MAY 2013 www.ti.com APPLICATION INFORMATION Figure 13. I2C Timing Diagram Figure 14. I2C Bus Format Table 1. Color LED Driver Chip Address(1) A7 A6 A5 A4 A3 A2 A1 A0 Chip Address 1 1 1 1 0 1 EC 0 ADR = 0 1 1 1 1 0 1 0 0 ADR = 1 1 1 1 1 0 1 1 0 (1) EC - externally configured by ADR pin Table 2. Color LED Driver Control Registers Register Name D7 D6 D5 D4 D3 D2 D1 D0 Mode Select 0 0 0 MS4 MS3 MS2 MS1 MS0 Frequency Select 0 1 0 FS4 FS3 FS2 FS1 FS0 Pattern Select 0 1 1 PS4 PS3 PS2 PS1 PS0 Current Select 1 0 CS5 CS4 CS3 CS2 CS1 CS0 Gain Select 1 1 GS5 GS4 GS3 GS2 GS1 GS0 Table 3. Mode Select Register Data Bit Bit Name Default Value Condition Function 0 Enables device power up mode MSO I2C_SD 1 1 Enables device shutdown mode 0 Enables device normal operation MS1 I2C_RST 0 1 Enables device RESET, excluding the I2C register settings 0 Disables the audio synchronization randomizer MS2 RAND 1 1 Enables the audio synchronization randomizer 0 MS3 RSVD 0 RESERVED 1 0 MS4 RSVD 0 RESERVED 1 8 Submit Documentation Feedback Copyright © 2005–2013, Texas Instruments Incorporated Product Folder Links: LM4970 |
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