PCF8545ATTSLASHA datasheet(33/72 Pages) NXP

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PCF8545ATT/A Datasheet(PDF) 33 Page - NXP Semiconductors

Part #	PCF8545ATT/A

Description	Universal LCD driver for multiplex rates up to 1:8

PDF	72 Pages

Scroll/Zoom	100%

Manufacturer	NXP [NXP Semiconductors]

Direct Link	http://www.nxp.com

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33 / 72 page

PCF8545

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 1 — 13 November 2013

33 of 72

NXP Semiconductors

PCF8545

Universal LCD driver for multiplex rates up to 1:8

The remaining bits are wrapped over into the next column. In order to fill the whole RAM,

31 and a half bytes need to be sent to the PCF8545. After the last byte sent, the data

pointer must be reset before the next RAM content update. Additional data bytes sent and

any data bits that spill over the RAM are discarded. Depending on the start address of the

data pointer, there are three possible boundary conditions. See Figure 23.

Fig 22. Display RAM filling order in 1:6 multiplex drive mode

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