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MSM6555B-xx

OKI electronic componets
Part Number MSM6555B-xx
Manufacturer OKI electronic componets
Description DOT MATRIX LCD CONTROLLER
Published Nov 24, 2008
Detailed Description E2B0034-27-Y2 ¡ Semiconductor MSM6555B-xx ¡ Semiconductor SEGMENT DRIVER This version: Nov. 1997 MSM6555B-xx Previous ...
Datasheet PDF File MSM6555B-xx PDF File

MSM6555B-xx
MSM6555B-xx

Overview
E2B0034-27-Y2 ¡ Semiconductor MSM6555B-xx ¡ Semiconductor SEGMENT DRIVER This version: Nov.
1997 MSM6555B-xx Previous version: Mar.
1996 DOT MATRIX LCD CONTROLLER WITH 17-DOT COMMON DRIVER AND 80-DOT GENERAL DESCRIPTION The MSM6555B-xx is a dot matrix LCD controller with 17-dot common driver and 80-dot segment driver comprising a display RAM, character generation ROM, LCD bias generation circuit and control circuit.
The LCD driving bias generation circuit incorporated in the MSM6555B-xx allows LCD bias www.
DataSheet4U.
com voltage to be obtained merely by providing a specified capacitance externally.
The MSM6555B-xx can display the arbitrator (arbitrary character) patterned on the LCD panel.
FEATURES • Serial interface with microcontroller • Dot matrix LCD controller with 17-dot common driver and 80-dot segment driver (up to 16 digits ¥ 2 lines can be displayed) • 256 character ROM (5 ¥ 7 dots) • 1/9 duty (1 line; character + cursor + arbitrator) or 1/17 duty (2 lines; character + cursor, 1 line; arbitrator) display • LCD driving bias voltage generation circuit • 80-dot arbitrator • Low standby current • Gold bump chip • Optional when TCP is adopted 1/27 ¡ Semiconductor MSM6555B-xx BLOCK DIAGRAM VDD C1 to C17 VSS 17 COMMON DRIVER S1 to S80 80 SEGMENT DRIVER VC2 VCC2 LATCH 80 VSS1 www.
DataSheet4U.
com VSS4 LCD BIAS GENERATOR 1/4 BIAS VDD VSS1 VSS2,3 VSS4 VSS5 80 SHIFT REGISTER VSS5 VSS2,3 N1 VOLTAGE REGULATOR N2 RAM (448 BITS) CHARACTER GENERATOR ROM (256 ¥ 5 ¥ 7 DOTS) BLINK CONTROLLER VSS6 VC1 VOLTAGE DOUBLER 9 8 VCC1 XT OSC XT 32K/EXT TIMING GENERATOR SERIAL/PARALLEL INTERFACE CS 9D/17D RST C/D SHT SO SI TEST 2/27 ¡ Semiconductor MSM6555B-xx ABSOLUTE MAXIMUM RATINGS Parameter Supply Voltage Input Voltage Power Dissipation Storage Temperature Symbol VDD VI PD TSTG Condition Ta = 25°C, VDD–VSS Ta = 25°C — — Rating –0.
3 to +3.
5 0 to VDD + 0.
3 *1 –55 to +150 Unit Applicable pin V V mW °C VDD, VSS All inputs — — *1 Power dissipation...


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