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PCF8536AT 数据表(PDF) 3 Page - NXP Semiconductors |
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PCF8536AT 数据表(HTML) 3 Page - NXP Semiconductors |
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3 / 51 page  NXP Semiconductors PCF8551 Universal 36 × 4 LCD segment driver 5 Block diagram SCL PORE CLK VSS VLCD 36 PCF8551A LCD bias generator LCD voltage selection Clock select Power-On Reset IBIAS/ VREF Timer Sync Prescaler Oscillator Reset control Input filters Vlow Vhigh Backplane outputs Segment outputs Blink control Display controller Instruction register Display register Address decoder Internal Bus I2C-bus controller VDD SDA COM0 to COM3 SEG0 to SEG35 aaa-013214 Figure 1. Block diagram of PCF8551A CE SCL PORE CLK VSS VLCD 36 PCF8551B LCD bias generator LCD voltage selection Clock select Power-On Reset IBIAS/ VREF Timer Sync Prescaler Oscillator Reset control Input filters Vlow Vhigh Backplane outputs Segment outputs Blink control Display controller Instruction register Display register Address decoder Internal Bus SPI-bus controller VDD SDIO COM0 to COM3 SEG0 to SEG35 aaa-013215 Figure 2. Block diagram of PCF8551B PCF8551 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2021. All rights reserved. Product data sheet Rev. 3.1 — 3 May 2021 3 / 51 |
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