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LP3933 Datasheet(PDF) 17 Page - National Semiconductor (TI) |
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LP3933 Datasheet(HTML) 17 Page - National Semiconductor (TI) |
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17 / 18 page ![]() Control Registers Control registers and register bits are shown in the following table. ADDR REGISTER D7 D6 D5 D4 D3 D2 D1 D0 00H RGB Control register1 rgb pwm rgb start rsw1 gsw1 bsw1 rsw2 gsw2 bsw2 01H red1_on_off r1_on[3] r1_on[2] r1_on[1] r1_on[0] r1_off[3] r1_off[2] r1_off[1] r1_off[0] 02H green1_on_off g1_on[3] g1_on[2] g1_on[1] g1_on[0] g1_off[3] g1_off[2] g1_off[1] g1_off[0] 03H blue1_on_off b1_on[3] b1_on[2] b1_on[1] b1_on[0] b1_off[3] b1_off[2] b1_off[1] b1_off[0] 04H r1slope, r1duty r1slope[3] r1slope[2] r1slope[1] r1slope[0] r1duty[3] r1duty[2] r1duty[1] r1duty[0] 05H g1slope, g1duty g1slope[3] g1slope[2] g1slope[1] g1slope[0] g1duty[3] g1duty[2] g1duty[1] g1duty[0] 06H b1slope, b1duty b1slope[3] b1slope[2] b1slope[1] b1slope[0] b1duty[3] b1duty[2] b1duty[1] b1duty[0] 07H RGB Control register2 cycle[1] cycle[0] r1_pwm g1_pwm b1_pwm r2_pwm g2_pwm b2_pwm 08H wled control reg wled_pwm cled_pwm en_wled en_cled 09H WLED1–4 wled[7] wled[6] wled[5] wled[4] wled[3] wled[2] wled[1] wled[0] 0AH CLED1–2 cled[7] cled[6] cled[5] cled[4] cled[3] cled[2] cled[1] cled[0] 0BH enables nstby en_boost en_flash1 en_flash2 0DH boost output boost[7] boost[6] boost[5] boost[4] boost[3] boost[2] boost[1] boost[0] 2AH red2_on_off r2_on[3] r2_on[2] r2_on[1] r2_on[0] r2_off[3] r2_off[2] r2_off[1] r2_off[0] 2BH green2_on_off g2_on[3] g2_on[2] g2_on[1] g2_on[0] g2_off[3] g2_off[2] g2_off[1] g2_off[0] 2CH blue2_on_off b2_on[3] b2_on[2] b2_on[1] b2_on[0] b2_off[3] b2_off[2] b2_off[1] b2_off[0] 2DH r2slope, r2duty r2slope[3] r2slope[2] r2slope[1] r2slope[0] r2duty[3] r2duty[2] r2duty[1] r2duty[0] 2EH g2slope, g2duty g2slope[3] g2slope[2] g2slope[1] g2slope[0] g2duty[3] g2duty[2] g2duty[1] g2duty[0] 2FH b2slope, b2duty b2slope[3] b2slope[2] b2slope[1] b2slope[0] b2duty[3] b2duty[2] b2duty[1] b2duty[0] Default value of each register is 0000 0000 except boost output which is 0011 1111 = 3Fh (5V). www.national.com 17 |
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