Specifications| Grade | Consumer | | Segment Element | 445 | | Duty | 1/5, 1/4, 1/3, Static | | Bias | 1/3, 1/2 | | Elements of MUX 1:1 | 90 | | Elements of MUX 1:3 | 270 | | Elements of MUX 1:4 | 360 | | Elements of MUX 1:5 | 445 | | Interface [line serial] | 3wire+KEYOUT | | Interface Voltage (Min.)[V] | 2.7 | | Interface Voltage (Max.)[V] | 6.0 | | Max GPO [port] | 9 | | Max KEYSCAN [Key] | 30 | | TTL input Support | Yes | | LCD Driving Waveform | Line/Frame | | Operating Temperature (Min.)[°C] | -40 | | Operating Temperature (Max.)[°C] | 85 |
Applications- Vacuum Cleaner
- Rice Cooker
- Bakery Machine
- Toaster and Griller
| Technical DocumentsFeatures- 1/5, 1/4, 1/3duty or Static setting selectable
1/5duty driving: Max 445 segments
1/4duty driving: Max 360 segments
1/3duty driving: Max 270 segments
Static driving: Max 90 segments - 1/3 or 1/2 bias setting selectable
- Support wide range of operation voltage from 2.7V to 6.0V,
which can support TNLCD and VA LCD display. - Integrated LCD voltage driving circuit
- Integrated oscillation circuit for LCD frame frequency
- Line or Frame inversion driving selectable
- Integrated 9ch general purpose outputs/ PWM outputs (SEG selectable)
- Support 256 step PWM function to realize backlight/ button LED illumination
- Support LCD frame frequency from 49Hz to 391Hz, total 16setting
- Support PWM frequency from 146Hz to 2.34KHz,
total 16setting - Support 3 wire serial interface + KEYOUT
- Support TTL level input to connect 3.3V MCU directly
- Support Max 30 key input detection (SEG selectable)
- Integrated EVR function to adjust LCD contrast
- Integrated voltage detected type power on reset circuit
- No external components required
- Low power consumption design
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