(China (Mainland))
Product Summary
The HT1621B is a RAM Mapping 32x4 LCD Controller for I/O MCU. The HT1621B is a 128 pattern, memory mapping, and multi-function LCD driver. The S/W configuration of the HT1621B feature makes it suitable for multiple LCD applications including LCD modules and display subsystems. Only three or four lines are required for the interface between the host controller. The HT1621B contains a power down command to reduce power consumption.
Parametrics
HT1621B absolute maximum ratings: (1)Supply Voltage: VSS -0.3V to VSS+5.5V Storage Temperature: -50℃ to 125℃; (2)Input Voltage: -VSS -0.3V to VDD+0.3V Operating Temperature: -25℃ to 75℃.
Features
HT1621B features: (1)Operating voltage: 2.4V~5.2V; (2)Built-in 256kHz RC oscillator; (3)External 32.768kHz crystal or 256kHz frequency source input; (4)Selection of 1/2 or 1/3 bias, and selection of 1/2 or; (5)1/3 or 1/4 duty LCD applications; (6)Internal time base frequency sources; (7)Two selectable buzzer frequencies (2kHz/4kHz); (8)Power down command reduces power consumption; (9)Built-in time base generator and WDT; (10)Time base or WDT overflow output; (11)8 kinds of time base/WDT clock sources; (12)32x4 LCD driver.
Diagrams
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 HT1621B |
Other |
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Data Sheet |
Negotiable |
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