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HD66766R

Features: ·132RGB x 176-dot graphics display LCD controller/driver for 65K STN colors ·low voltage drive and flickerless PWM grayscale drive ·16-/8-bit high-speed bus interface and Clock Synchronized Serial Interface ( SPI ) ·High-speed burst-RAM write function ·Writing to a window-RAM address are...

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SeekIC No. : 004360420 Detail

HD66766R: Features: ·132RGB x 176-dot graphics display LCD controller/driver for 65K STN colors ·low voltage drive and flickerless PWM grayscale drive ·16-/8-bit high-speed bus interface and Clock Synchronize...

HD66766R Data Sheet

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Part Number:
HD66766R
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/21

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Product Details

Description



Features:

·132RGB x 176-dot graphics display LCD controller/driver for 65K STN colors
·low voltage drive and flickerless PWM grayscale drive
·16-/8-bit high-speed bus interface and Clock Synchronized Serial Interface ( SPI )
·High-speed burst-RAM write function
·Writing to a window-RAM address area by using a window-address function
·Bit-operation functions for graphics processing:
- Write-data mask function in bit units.
- Logical operation in pixel unit and conditional write function.
·Various color-display control functions
- 65K out of  140K possible colors can be displayed at the same time (grayscale palette incorporated)
-  Vertical scroll display function in raster-row units
-  Partial LCD drive of two screens in any position  Low-power operation supports:
- Vcc = 2.2 to 3.6 V (low-voltage)
- Common driving voltage = 8 to 44 V
- Segment driving voltage = 2 to 4 V
- VOUT power voltage = 4.0V to 5.75 V
- Power-save functions such as the standby mode and sleep mode
- Internal power supply circuit
- Programmable drive duty ratios (1/8-1/176) and bias values (1/2-1/13) displayed on LCD
- Maximum 12-times step-up circuit for liquid crystal drives voltage and voltage inverting circuit
- 28-step contrast adjuster and voltage followers to decrease direct current flow in the LCD drivebleeder-resistors 
·Internal RAM capacity: 46,464 bytes 
·396-segment ×176-common liquid crystal display driver 
·n-raster-row AC liquid-crystal drive (C-pattern waveform drive) 
·Internal oscillation and hardware reset 
·Shift change of segment and common drivers 
·COM positioned on both sides in one chip for COG


Specifications

Item
Symbol
Unit
Value
Notes*
Power supply voltage (1)
Power supply voltage (2)
Power supply voltage (3)
Input voltage
Operating temperature
Storage temperature
Vcc
Vcil
VCH-VCL
Vt
Topr
Tstg
V
V
V
V
-0.3 to + 4.6
-0.3 to + 4.6
-0.3 to + 46
-0.3 to Vcc + 0.3
-40 to + 85
-55 to + 110
1, 2
1, 3
1, 4
1
1, 5
1

Notes: 1. If the LSI is used above these absolute maximum ratings, it may become permanently damaged.Using the LSI within the following electrical characteristic limit is strongly recommended for normal operation.  If these electrical characteristic conditions are also exceeded, the LSI will malfunction and cause poor reliability.
2. VccGND must be maintained
3. VcilGND must be maintained.
4. VCHGND must be maintained   GNDVCL must be maintained
5. For die and wafer products, specified up to 85.


Description

The HD66766R, color-graphics LCD controller and driver LSI, displays 132-by-176-dot graphics for 65K STN colors. A 16-bit high-speed bus interface and high-speed RAM write function enable efficient data transfer and high-speed rewriting of data to the graphics RAM.

The HD66766R has various functions for reducing the power consumption of a LCD system, such as low-voltage operation of 2.2 V/min., a step-up circuit to generate a maximum of 12-times the LCD drive voltage from the supplied voltage, and voltage-followers to decrease the direct current flow in the LCD drive bleeder-resistors. Combining these hardware functions with software functions, such as a partial display with low-duty drive and standby and sleep modes, allows precise power control. The HD66766R is suitable for any mid-sized or small portable battery-driven product requiring long-term driving capabilities, such as digital cellular phones supporting a WWW browser, bi-directional pagers, and small PDAs.




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