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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LP5562 датащи(PDF) 12 Page - Texas Instruments |
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LP5562 датащи(HTML) 12 Page - Texas Instruments |
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12 / 52 page  W PWM Register R PWM Register G PWM Register B PWM Register ENGINE 1 ENGINE 2 ENGINE 3 W LED PWM R LED PWM B LED PWM G LED PWM 00 01 10 11 W_ENG_SEL bits 00 - 10 11 00 - 10 11 00 - 10 ENG1_MODE bits ENG2_MODE bits ENG3_MODE bits 00 01 10 11 00 01 10 11 R_ENG_SEL bits 00 01 10 11 G_ENG_SEL bits B_ENG_SEL bits 11 SVA-30197406 12 LP5562 SNVS820B – APRIL 2013 – REVISED DECEMBER 2016 www.ti.com Product Folder Links: LP5562 Submit Documentation Feedback Copyright © 2013–2016, Texas Instruments Incorporated Figure 14. Controlling LED Outputs The LED driver PWM control with 8-bit I2C register is defined in Table 2. Table 2. LED Driver PWM Control Bits Register 70h NAME BIT DESCRIPTION PWM 7:0 LED PWM value during I2C control operation mode 0000 0000 = 0% PWM 1111 1111 = 100% PWM If the LED driver outputs are controlled with engines, the engine adjusts the PWM according to the program code. However, when the engine mode bits are set to ‘11’, the engine is set to direct mode. In direct mode the PWM controls of engines comes: • Engine 1 PWM control comes from B PWM I2C register (02h) • Engine 2 PWM control comes from G PWM I2C register (03h) • Engine 3 PWM control comes from R PWM I2C register (04h) When the engine mode bits are set to '11' along with the LED PWM Output selection bits, it is possible to control all LED outputs from one I2C register. |
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