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W2RF004RM 数据表(PDF) 2 Page - Omron Electronics LLC |
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W2RF004RM 数据表(HTML) 2 Page - Omron Electronics LLC |
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2 / 10 page ![]() 2 LED Control IC W2RF004RM Timing Characteristics (Ta = 25 °C, V DD = 5V) Engineering Data Block Diagram Item Symbol Condition Spec. Unit Applicable terminal Min. Typ. Max. Driving Output PWM Cycle T PWM - - - 3.88 4.00 4.12 ms OUTA0 to 2 OUTB0 to 2 OUTC0 to 2 Communication Clock Pulse Width t SCL - - - 100 - - - - - - ns SCL-I Setup Time t SET - - - 50 - - - - - - ns SDA-I, SCL-I Hold Time t HLD - - - 50 - - - - - - ns SCL-I Valid Fig. 1 Input timing waveforms SDA-I tSCL tSCL tSET tHLD Register Communi- cation circuit SDA-I SCL-I ADRA2 ADRA1 ADRA0 OUTA0 OUTB0 OUTC0 GND VDD Clock division circuit System clock Reset SDA-O SCL-O ADRB2 ADRB1 ADRB0 Operational control Filter Filter Buffer Buffer Internal oscillation Filter Gradation control A0 Gradation control B0 Gradation control C0 Gradation control A1 Gradation control B1 Gradation control C1 Gradation control A2 Gradation control B2 Gradation control C2 Output circuit OUTA1 OUTB1 OUTC1 OUTA2 OUTB2 OUTC2 CAP INV RST |
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