LC75813T: LCD Driver, 1/3, 1/4 Duty, General-Purpose
The LC75813T is the 1/3 duty and 1/4 duty general-purpose LCD driver that can be used for frequency display in electronic tuners under the control of a microcontroller. The LC75813T can drive an LCD with up to 344 segments directly. The LC75813T can also control up to 8 general-purpose output ports. Since the LC75813T use separate power supply systems for the LCD drive block and the logic block, the LCD driver block power-supply voltage can be set to any voltage in the range 2.7 to 6.0 volts, regardless of the logic block power-supply voltage.
Features- Switching between 1/3 duty and 1/4 duty drive techniques under serial data control.
- Switching between 1/2 bias and 1/3 bias drive techniques under serial data control.
- Up to 261 segments for 1/3 duty drive and 344 segments for 1/4 duty drive can be displayed.
- Serial data input supports CCB format communication with the system controller.
- Serial data control of the power-saving mode based backup function and all the segments forced off function.
- Serial data control of switching between the segment output port and the general-purpose output port functions.
- Serial data control of frame frequency for common and segment output waveforms.
- High generality, since display data is displayed directly without decoder intervention.
- Independent VLCD for the LCD driver block(VLCD can be set to any voltage in the range 2.7 to 6.0 volts, regardless of the logic block power-supply voltage.)
- The INH pin can force the display to the off state.
- RC oscillator circuit
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Data Sheets (1)
Package Drawings (1)
Order Information
| Product | Status | Compliance | Package | MSL* | Container | Budgetary Price/Unit |
|---|
| LC75813T-E | Active, Not Rec | Pb-free
Halide free | TQFP-100 | 932AY | 3 | Tray JEDEC | 450 | $3.4146 |
| LC75813TS-E | Active | Pb-free | TQFP-100 | 932AY | 3 | Tray JEDEC | 450 | $3.4199 |
Specifications
| Product | Segments | Key Detection | VDD Min (V) | VDD Max (V) | VLCD Min (V) | VLCD Max (V) | VI for Interface (V) | Operating Temperature (°C) | Output Ports | PWM Outputs | Character Generator | Reset | Contrast Adjustment | Control Command |
|---|
| LC75813TS-E | 1/3 Duty: 261 (237)
1/4 Duty: 344 (312) | | 2.7 | 6 | 2.7 | 6 | VDD | -40 to 85 | 8 | | | | | |
