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PCF8579 Datasheet(PDF) 23 Page - NXP Semiconductors

Part # PCF8579
Description  LCD column driver for dot matrix graphic displays
PDF  41 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCF8579 Datasheet(HTML) 23 Page - NXP Semiconductors

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PCF8579_5
© NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 05 — 11 May 2009
23 of 41
NXP Semiconductors
PCF8579
LCD column driver for dot matrix graphic displays
8.9.1 Display control
The display is generated by continuously shifting rows of RAM data to the dot matrix LCD
via the column outputs. The number of rows scanned depends on the multiplex rate set by
bits M[1:0] of the set-mode command.
1:32 multiplex rate and start bank = 2.
Fig 18. Relationship between display and set-start-bank
msa851
bank 0
top of LCD
bank 1
bank 2
bank 3
LCD
RAM



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