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HT1650

Features: · Operating voltage: 2.7V~5.2V· Built-in 32kHz RC oscillator· External 32.768kHz crystal oscillator or 32kHz frequency source input· Standby current: <1A at 3V, <2A at 5V· Internal resistor type: 1/6 bias or 1/5 bias, 1/32 duty, and 1/16 duty· Three selectable LCD frame frequenci...

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SeekIC No. : 004366596 Detail

HT1650: Features: · Operating voltage: 2.7V~5.2V· Built-in 32kHz RC oscillator· External 32.768kHz crystal oscillator or 32kHz frequency source input· Standby current: <1A at 3V, <2A at 5V· Internal...

HT1650 Data Sheet

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Part Number:
HT1650
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

· Operating voltage: 2.7V~5.2V
· Built-in 32kHz RC oscillator
· External 32.768kHz crystal oscillator or 32kHz frequency source input
· Standby current: <1A at 3V, <2A at 5V
· Internal resistor type: 1/6 bias or 1/5 bias, 1/32 duty, and 1/16 duty
· Three selectable LCD frame frequencies: 64Hz, 89Hz or 170Hz
· Max. of 6432 patterns, 64 segments and 32 commons
· 80 segments and 16 commons selectable by command method
· Built-in bit-map display RAM: 2048 bits (=64×32 bits)
· Built-in internal resistor type bias generator
· Six-wire interface (four data wires)
· Eight kinds of time base or WDT selection
· Time base or WDT overflow output
·R/W address auto increment
· Built-in buzzer driver (2kHz/4kHz)
· Power down command reduces power consumption
· Software configuration feature
· Data mode and Command mode instructions
· Three data accessing modes
· Provides VLCD pin to adjust LCD operating voltage
and max. VLCD voltage up to 7V
· Provides three kinds of bias current programming
· Control of TN-type and STN-type LCDs
· 128-pin QFP package




Application

· Leisure products
· Games
· Personal digital assistant
· Cellular phone
· Global positioning system
· Consumer electronics




Pinout

Connection Diagram




Specifications

Supply Voltage ...........................VSS-0.3V to VSS+5.5V
Storage Temperature ............................-50 to 125
Input Voltage.............................VSS-0.3V to VDD+0.3V
Operating Temperature...........................-25 to 75
Note: These are stress ratings only. Stresses exceeding the range specified under "Absolute Maximum Ratings" may
cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability.






Description

HT1650 is a peripheral device specially designed for I/O type MCUs which are used to expand the display capability. The max. display segment of the device are 2048 patterns (64 segments and 32 commons). It also supports four data bits interface, buzzer sound, Watchdog Timer or time base timer functions. It is a memory mapping and multi-function LCD controller. It can control TN-type (Twisted Nematic) or STN-type (Super Twisted Nematic) LCDs. The software configuration feature of the HT1650 make it suitable for multiple LCD applications including LCD modules and display subsystems. Only six lines (CS, WR, DB0~DB3) are required for the interface between the host controller and it.






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