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STLED325 数据表(PDF) 9 Page - STMicroelectronics |
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STLED325 数据表(HTML) 9 Page - STMicroelectronics |
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9 / 62 page ![]() STLED325 Functional and application diagram Doc ID 17576 Rev 1 9/62 Figure 2. Application diagram Microcontroller or CPU Key scan (8x2 matrix) SCL SDA STLED325 XIN External 32.768KHz crystal XOUT From remote control sensor IR_IN STBY ISET R 2 KEY1-KEY2 SEG1/KS1- SEG8/KS8 DIG1-DIG4 IRQ_N 4 8 LED 4-digit 7-segment (+dot-point) display panel PWR STBY REC MUTE DIG5 READY WAKE_UP VBAT GPIO1 GPIO2 MUTE From sensor/To LED From sensor/To LED Connect to external capacitor VREG |
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