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LM27966 数据表(PDF) 10 Page - Texas Instruments |
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LM27966 数据表(HTML) 10 Page - Texas Instruments |
10 / 20 page 1 bit7 1 bit6 1 bit5 1 bit4 1 bit3 1 bit2 DAUX-1 bit1 DAUX-0 bit0 MSB LSB DAUX Brightness Control Register Address: 0xC0 1 bit7 1 bit6 1 bit5 Dx4 bit4 Dx3 bit3 Dx2 bit2 Dx1 bit1 Dx0 bit0 MSB LSB Main Display Brightness Control Register Address: 0xA0 LM27966 SNVS448B – JULY 2006 – REVISED MAY 2013 www.ti.com Figure 12. Brightness Control Register Description Internal Hex Address: 0xA0 (Main Display), 0xC0 (DAUX) NOTE Dx4-Dx0: Sets Brightness for Dx pins (Main Display). 11111=Fullscale Bit7 to Bit 5: Not Used DAUX1-DAUX0: Sets Brightness for DAUX pin. 11 = Fullscale Bit7 to Bit2:Not Used Full-Scale Current set externally by the following equation: IDx = 200 × 1.25V / RSET Table 1. Brightness Level Control Table (Main Display) Analog Current Brightness Code (hex) Duty Cycle (%) Perceived Brightness Level (%) (% of Full-Scale) 00 20 1/16 1.25 01 20 2/16 2.5 02 20 3/16 3.75 03 20 4/16 5 04 20 5/16 6.25 05 20 6/16 7.5 06 20 7/16 8.75 07 20 8/16 10 08 20 9/16 11.25 09 20 10/16 12.5 0A 20 11/16 13.75 0B 20 12/16 15 0C 20 13/16 16.25 0D 20 14/16 17.5 0E 20 15/16 18.75 0F 20 16/16 20 10 40 10/16 25 11 40 11/16 27.5 12 40 12/16 30 13 40 13/16 32.5 14 40 14/16 35 15 40 15/16 37.5 16 40 16/16 40 17 70 11/16 48.125 18 70 12/16 52.5 10 Submit Documentation Feedback Copyright © 2006–2013, Texas Instruments Incorporated Product Folder Links: LM27966 |
类似零件编号 - LM27966 |
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类似说明 - LM27966 |
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