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ML9476

Part Number	ML9476
Manufacturer	LAPIS
Description	1/3 or 1/4 Duty 16-Output LCD Driver
Published	May 8, 2014
Detailed Description	FEDL9476-01 Issue Date: Oct. 1, 2010 ML9476 1/3 or 1/4 Duty, 16-Output LCD Driver GENERAL DESCRIPTION The ML9476 is an...
Datasheet	ML9476 PDF File

Overview

FEDL9476-01 Issue Date: Oct.
1, 2010 ML9476 1/3 or 1/4 Duty, 16-Output LCD Driver GENERAL DESCRIPTION The ML9476 is an LCD driver for dynamic display.
It has a function to switch between 1/3 and 1/4 duty.
When 1/4 duty is selected, an LCD of up to 64 s egments can be dri ven directly; when 1/3 duty is selected, an LCD of up to 48 segments can be driven directly.
FEATURES  Logic power supply voltage : 2.
7 to 3.
6 V, 4.
5 to 5.
5 V  Driver power supply voltage : 3.
5 to 5.
5 V  Operatin g temperature : 40 to +105°C  16 segment outputs 1/4 duty : Up to 64 segments can be displayed.
1/3 duty : Up to 48 segments can be displayed.
 Serially interfaces with the CPU using the three signal lines of LOAD, DATA_IN, and CLOCK  Built-in RC oscillator circuit for LCD AC drive (the CLKSEL pin allows selecting an external clock input)  Built-in voltage-dividing resistor for bias voltage generation  Package : 48-pin plastic TQFP (TQFP48-P-0707-0.
50-K) 1/20 http://www.
Datasheet4U.
com FEDL9476-01 ML9476 BLOCK DIAGRAM SEG1 SEG16 DVDD 16-Dot Segment Driver Bias Res.
.
16-Ch Data Selector TEST 16 16 16 16 16-Bit Latch4 16-Bit Latch3 16-Bit Latch2 16-Bit Latch1 LOAD LATCH SELECTOR 16 DATA_IN CLOCK 22(16 + 6)-bit Shift Register OSC OSC TIMING GENERATOR COM1 CLKSEL 3/4SEL COMMON Driver COM2 COM3 COM4 RESET LVDD VSS 2/ 20 FEDL9476-01 ML9476 PIN CONFIGURATION (TOP VIEW) DATA_IN 38 CLKSEL 48 47 46 45 44 43 42 41 40 39 COM2 COM1 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 37 CLOCK 3/4SEL RESET COM3 COM4 LVDD TEST OSC VSS N.
C 1 2 3 4 5 6 7 8 9 10 11 12 36 35 34 33 32 31 30 29 28 27 26 25 LOAD N.
C N.
C N.
C N.
C N.
C N.
C N.
C N.
C N.
C N.
C N.
C 13 14 15 16 17 18 19 20 21 22 23 N.
C N.
C N.
C SEG11 SEG12 SEG13 SEG14 SEG15 48-Pin Plastic TQFP N.
C : No-Connection pin SEG16 DVDD N.
C N.
C 24 3/ 20 FEDL9476-01 ML9476 PIN DESCRIPTION Symbol I/O Description Pin for oscillation.
Has a Schmitt circuit built in.
An osci...

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