器件名称: IZ44780-01
功能描述: DOT MATRIX LIQUID CRYSTAL DISPLAY CONTROLLER & DRIVER
文件大小: 345.46KB 共10页
简 介:TECHNICAL DATA
DOT MATRIX LIQUID CRYSTAL DISPLAY CONTROLLER & DRIVER
FEATURES
Internal Memory Character Generator ROM: 8320 bits Character Generator RAM: 512 bit Display Data RAM: 80 x 8 bits for 80 digits
IN44780
FUNCTION
Character type dot matrix LCD driver & controller Internal driver: 16 common and 40 segment signal output Display character format: 5 x 7 dots + cursor, 5 x 10 dots + cursor Easy interface with a 4-bit or 8-bit MPU Display character pattern: 5 x 7 dots format: 192 kinds, 5 x 10 dots format: 32 kinds The special character pattern can be programmable by Character Generator RAM directly A customer character pattern can be programmable by mask option Wide range of instruction function: Display clear, Cursor home, Display ON/OFF, Display shift Cursor ON/OFF, Display character blink, Cursor shift
Internal automatic reset circuit at power ON Internal oscillation circuit Power Supply Voltage: +5V ± 10% LCD Driving Voltage for display: 0 ~ -5V(V5) Duty factor selection (sselected by programs) 1/8 duty: 5 x 7 dots format 1 line, 1/11 duty: 5 x 10 dots format 1 line 1/16 duty: 5 x 7 dots format 2 line Bare chip available Pin-to-Pin replacement for KS0066, HD44780, SED1278
DESCRIPTION
The IZ44780 is a dot matrix liquid crystal display controller & driver LSI that displays alphanumerics, characters and symbols. It drives dot matrix LCD under microcomputer control. All functions needed for dot matrix LCD drive are internally provided on one chip.
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