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PCF8531 Datasheet(PDF) 3 Page - NXP Semiconductors |
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PCF8531 Datasheet(HTML) 3 Page - NXP Semiconductors |
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3 / 51 page  PCF8531 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2010. All rights reserved. Product data sheet Rev. 05 — 10 August 2010 3 of 51 NXP Semiconductors PCF8531 34 x 128 pixel matrix driver 5. Block diagram Fig 1. Block diagram of PCF8531 mgs465 DISPLAY DATA RAM MATRIX DATA RAM DATA LATCHES MATRIX LATCHES COLUMN DRIVERS C0 to C127 PCF8531 R0 to R33 ROW DRIVERS COMMAND DECODER ADDRESS COUNTER DISPLAY ADDRESS COUNTER TIMING GENERATOR OSCILLATOR INTERNAL RESET POWER-ON RESET ENR RES OSC I2C-BUS CONTROL INPUT FILTERS SA0 SCL SDA SDACK VLCDOUT VLCDSENSE VLCDIN T4 T3 T2 T1 34 VSS2 VSS1 VDD1 VDD2 VDD3 VLCD GENERATOR BIAS VOLTAGE GENERATOR 128 |
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