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PCF8536AT Datasheet(PDF) 52 Page - NXP Semiconductors |
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PCF8536AT Datasheet(HTML) 52 Page - NXP Semiconductors |
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52 / 74 page ![]() PCF8536 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved. Product data sheet Rev. 2 — 21 February 2012 52 of 74 NXP Semiconductors PCF8536 Universal LCD low multiplex driver with 6 channel PWM generator Data transfers are terminated by de-asserting CE (set CE to logic 1). Fig 39. SPI-bus write example EXAMPLES a) transmit two bytes of display RAM data 013aaa465 00 1 control byte subaddress RAM/command byte RAM DATA M S B L S B R/W = 0 00 1 0 1 b) transmit two command bytes COMMAND 00 1 1 0 COMMAND c) transmit one command byte and two display RAM date bytes 00 C O R S 1 R S 0 0 00 COMMAND 00 1 1 0 00 01 RAM DATA RAM DATA RAM DATA In this example, the bias system is set to 1⁄3. The transfer is terminated by CE returning to logic 1. After the last bit is transmitted, the state of the SDI line is not important. Fig 40. SPI-bus example 013aaa466 command byte Bias sytem = 1/3 B[1:0] = 11 unused R/W SA SCL SDI CE b7 1 b6 0 b5 1 b4 0 b3 0 b2 0 b1 0 b0 0 b7 0 b6 0 b5 0 b4 0 b3 0 b2 0 b1 0 b0 0 b7 0 b6 0 b5 0 b4 0 b3 0 b2 1 b1 1 b0 1 |
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