HT1632C datasheet - Adafruit

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<strong>HT1632C</strong>LED Driver Mode output Waveform N-MOS open drain of 32x8 driver modeROW0 ~ROW31COM0COM1320*tCLK32 4*tCLK4* tCLK8*tCLK~ONOFFOFFONOFFONCOM2OFFON~COM5OFFONCOM6OFFONCOM71/2*tCLKOFFONSYNC1Frame=8*328*tCLKNote: t CLK =1/f SYS P-MOS open drain of 24x16 driver mode: (COM pin with Transistor Buffer)ROW0 ~ROW23COM0COM1160*tCLK16 2*tCLK2* tCLK4*tCLK~ONOFFONOFFONOFFCOM2ONOFF~ROW26/COM13ONOFFROW25/COM14ONOFFROW24/COM151/2*tCLKONOFFSYNC1 Frame = 1 6*1 64* tC LKNote: t CLK =1/f SYSRev. 1.20 8 June 28, 2011
<strong>HT1632C</strong>Digital DimmingThe Display Dimming capabilities of the HT1632 are very versatile. The whole display can be dimmed using pulsewidth modulation techniques for the ROW driver with the Dimming command. The relationship between ROW andCOM digital dimming duty time are shown as below:Note:COMROW1/16 DutyROW2/16 DutyROW3/16 DutyROW4/16 DutyROW5/16 DutyROW6/16 DutyROW7/16 DutyROW8/16 DutyROW9/16 DutyROW10/16 DutyROW11/16 DutyROW12/16 DutyROW13/16 DutyROW14/16 DutyROW15/16 DutyROW16/16 Duty1*T2*T3*T4*T5*T6*T7*T8*T9*T10*T(1) T=20 x t CLK (32x8 driver mode)(2) T=10 x t CLK (24x16 driver mode)11*T12*T13*T14*T15*T16*TOFFONONOFFONOFFONOFFONOFFONOFFONOFFONOFFONOFFONOFFONOFFONOFFONOFFONOFFONOFFONOFFONOFF(3) t CLK =1/f SYSRev. 1.20 9 June 28, 2011
Page 1 and 2: HT1632C328 &2416 LED DriverFeatures
Page 3 and 4: HT1632CAbsolute Maximum RatingsSupp
Page 5 and 6: HT1632CFunctional DescriptionDispla
Page 7: HT1632CSystem OscillatorThe HT1632C
Page 11 and 12: HT1632CWRITE Mode Command Code =10
Page 13 and 14: HT1632CApplication CircuitsLow Powe
Page 15 and 16: HT1632CHigh Power LED Application (
Page 17 and 18: HT1632C 32 ROW 8 COM example (COM
Page 19 and 20: HT1632C 24 ROW 16 COM example (COM
Page 21 and 22: HT1632CCommand SummaryName ID Comma
Page 23 and 24: HT1632CPackage Information52-pin QF

HT1632C datasheet - Adafruit

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