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STLED325 数据表(PDF) 8 Page - STMicroelectronics |
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STLED325 数据表(HTML) 8 Page - STMicroelectronics |
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8 / 62 page  Functional and application diagram STLED325 8/62 Doc ID 17576 Rev 1 2 Functional and application diagram Figure 1. Functional block diagram AM04143V1 2 OSC DisplayMem (20 x 16) Timing Gen Key Scan & Dimming 20- bit Output Latch 16- bit Shift Register SPI Seria l I/F KeyData Mem (2 x 12) KEY1-KEY2 8 5 (0V) DIG4 Command Decoder SCL 2 OSC (Fixed Freq) DisplayMem (5 x 8) Timing Gen Key Scan & Dimming 5- bit Shift Register I2C Serial I/F KeyData Mem (2 x 8) SEG1/KS1 Command Decoder POR & Soft-start Internal reset Current source ISET Output segments DIG1 Remote Ctrl Decoder & Thermal protection SEG8/KS8 SDA IRQ_N Bandgap and UVLO RTC + 32KHz Osc XIN XOUT RC decoder IR_IN STDBY READY GND Voltage regulator Vcc DIG5 Internal core supply VBAT WAKE_UP GPIO1 GPIO2 VREG MUTE Guard timer VCC Detect Vbat Detect 8-bit output latch Power management |
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