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EM65570
68COM/ 98SEG 65K Color STN LCD Driver
1 General description
EM65570 is one of the industry’s most advanced wide-screen STN-LCD drivers for
65K-color display. It also has a built-in display RAM, a power supply circuit for LCD
drive, an LCD controller circuit, support for LCD cell tolerance compensation of VLCD. It
also supports EEPROM function for programming information to tune VLCD offset voltage
to get the best contrast. Therefore contributing to compact system design. Its partial
display function realizes low power consumption.
*Partial display function: A function that utilizes only part of the screen, thus reducing
power consumption.
2 Feature
65K-color display
LCD outputs: Segment 98RGB(294 outputs); Common 68 outputs
Display RAM capacity: 98x68x16=106624 bits
Built-in display RAM and power supply circuit
Partial display functions
Bus connection with 80-family/68-family MPU/ELAN MPU
Logic power supply voltage: 2.2 to 3.3 V
Analog power supply voltage: 2.4 to 3.3 V
LCD driving voltage: 4.5 to 16 V
Booster: 2 to 6 times
Fast burst-RAM write function
Screen scroll function
EEPROM function for tuning LCD operating voltage Vop
Write system cycle: 200 ns
3 Applications
Mobile phone
Small PDA |
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发表于 2005-4-24 16:27:59
