技术特性| Grade | Automotive | | Segment Element | 148 | | Duty | 1/4, 1/3, 1/2, Static | | Bias | 1/3, 1/2 | | Elements of MUX 1:1 | 37 | | Elements of MUX 1:2 | 74 | | Elements of MUX 1:3 | 111 | | Elements of MUX 1:4 | 148 | | Interface [line serial] | 3wire+KEYOUT | | Interface Voltage (Min.)[V] | 2.7 | | Interface Voltage (Max.)[V] | 6.0 | | Max GPO [port] | 16 | | Max KEYSCAN [Key] | 20 | | TTL input Support | Yes | | LCD Driving Waveform | Line/Frame | | Operating Temperature (Min.)[°C] | -40 | | Operating Temperature (Max.)[°C] | 105 |
| 技术资料下载产品特点- 1/4, 1/3, 1/2duty or Static setting selectable
1/4duty: Max 148 segments,
1/3duty: Max 111 segments
1/2duty: Max 74 segments,
Static: Max 37 segments - 1/3 or 1/2 bias setting selectable
- Support wide range of operation voltage from 2.7V to 6.0V, which can support TN LCD and VA LCD display.
- Integrated LCD voltage driving circuit
- Integrated oscillation circuit for LCD frame frequency
- Line or Frame inversion driving selectable
- Integrated 16ch general purpose outputs (SEG selectable)
- Integrated 6ch PWM outputs (SEG selectable)
- Support 256 step PWM function to realize backlight/ button LED illumination
- Support LCD frame frequency from 50Hz to 685Hz, total 128setting
- Support PWM frequency from 146Hz to 2.34KHz, total 16setting
- Support external PWM input
- Support 3 wire serial interface + KEYOUT
- Support TTL level input to connect 3.3V MCU directly
- Support Max 20 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
- Support up to +105℃ operation, qualified AEC-Q100 Grade2
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