ST7541
FEATURES
4-level Gray Scale
- Display with PWM and FRC Methods
DDRAM Data [2n:2n+1]
2n
2n + 1
(Accessible column address, n = 0~127)
Driver Output Circuits
128 segment outputs / 128+1 mon outputs
Applicable Duty Ratios
- Various partial display
- Partial window moving & data scrolling
On-chip Display Data RAM
- Capacity: 128 × 129 × 2= 33,024 bits
Microprocessor Interface
- 8-bit bi-directional parallel interface supports 6800-series or 8080-series MPU
- 4-line serial interface (4-Line SPI)
- 3-line serial interface (3-Line 8-bit SPI)
- IIC serial interface
Gray Scale
White Light gray Dark gray
Black
On-chip Low Power Analog Circuit
- On-chip oscillator circuit
- Voltage booster (x3, x4, x5 or x6)
- Voltage regulator (temperature coefficient: -0.144%/˚C, or external input)
- On-chip electronic contrast control function (64 steps X 8)
- Voltage follower (LCD bias : 1/5 to 1/12) Operating Voltage Range
- Supply voltage (VDD): 1.8 to 3.3V
- Supply...
