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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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HT1647 датащи(PDF) 1 Page - Holtek Semiconductor Inc |
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HT1647 датащи(HTML) 1 Page - Holtek Semiconductor Inc |
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1 / 24 page  HT1647 4-Level Gray Scale 64´16 LCD Controller for I/O mC 1 April 21, 2000 Features · Operating voltage: 2.7V~5.2V · Built-in 32kHz RC oscillator · External 32.768kHz crystal oscillator or 32kHz frequency source input · Standby current < 1mAat3V,<2mAat5V · Internal resistor type: 1/5 bias or 1/4 bias, 1/16 duty · Two selectable LCD frame frequencies: 89Hz or 170Hz · Max. 64´16 patterns, 64 segments and 16 commons · Built-in bit-map display RAM: 2048 bits (=64´16´2 bits) · Built-in internal resistor type bias generator · Six-wire interface (four data wires) · Eight kinds of time base/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 · Provides three kinds of bias current programming · Control of TN-type, STN-type LCDs and ECB-type LCDs · Four-level gray scale output for TN-type, STN-type LCDs panel · Four-color output for ECB-type LCDs panel · Available in 100-pin QFP and in chip form General Description HT1647 is a peripheral device specially de- signed for I/O type mC used to expand the dis- play capability. The max. display segment of the device are 1024 patterns (64 segments and 16 commons). It also supports four data bits in- terface, buzzer sound, Watchdog Timer or time base timer functions. The HT1647 is a memory mapping and multi-function LCD controller. Since the HT1647 can control ECB-type (Elec- trically Controlled Birefringence) LCDs in ad- dition to current TN-type (Twisted Nematic) or STN-type (Super Twisted Nematic) LCDs, it can support 4-color display as well as 4-level gray scale display. It displays 4-level gray scale output when HT1647 drives TN-type, STN-type LCDs. It displays four color output when HT1647 drives ECB-type. HT1647 uses PWM (Pulse Width Modulation) technique. The software configuration feature of the HT1647 make it suitable for multiple LCD applications including LCD modules and display subsys- tems. Only six lines (CS,WR, DB0~DB3) are required for the interface between the host con- troller and the HT1647. The HT164X series have many kinds of products that match vari- ous applications. Applications · Toys · Games · Personal digital assistant · Cellular phone · Global positioning system · Consumer electronics |
Аналогичный номер детали - HT1647 |
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Аналогичное описание - HT1647 |
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