HD66765 Datasheet, PDF (2/71 Pages) Hitachi Semiconductor – 396-channel Segment Driver with Internal RAM for 4096-color Displays

HD66765
• Various color-display control functions:
 4,096 out of 13,824 possible colors can be displayed at the same time (grayscale palette
included)
 Vertical scroll display function in raster-row units
• Low-power operation supports:
 Vcc = 1.8 to 3.6 V (low-voltage range)
 VLCD = 2.0 to 4.0 V (liquid crystal drive voltage)
 Power-save functions such as the standby mode and sleep mode
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 Partial LCD drive of two screens in any position
 Programmable drive duty ratios (1/16–1/176) and bias values (1/4–1/13) displayed on LCD
n _{ Maximum 12-times step-up circuit for liquid crystal drive voltage (HD66764)}
tio ^{ Voltage followers to decrease direct current flow in the LCD drive bleeder-resistors}
(HD66764)
ifica ^{ 128-step contrast adjuster (HD66764)}
Built-in circuit for interfacing with the HD66764 common driver
ec Maximum 132RGB-by-176-dot display in combination with the HD66764 common driver
p _{Internal RAM capacity: 34,848 bytes}
y ^S 396-segment liquid crystal display driver
ar _{n-raster-row AC liquid-crystal drive (C-pattern waveform drive)}
in _{Internal oscillation and hardware reset}
Prelim ^{Shift change of segment driver}
Type Number
Type Number
HD66765TB0
HCD66765BP
External Appearance
Bending TCP
Au-bump chip
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