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ST7525 fiches techniques PDF

Sitronix - 192 x 65 Dot Matrix LCD Controller/Driver

Numéro de référence ST7525
Description 192 x 65 Dot Matrix LCD Controller/Driver
Fabricant Sitronix 
Logo Sitronix 





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ST7525 fiche technique
Sitronix
ST7525
192 x 65 Dot Matrix LCD Controller/Driver
1. INTRODUCTION
ST7525 is a driver & controller LSI for graphic dot-matrix liquid crystal display systems. It contains 192-segment and
64-common with 1-icon-common driver circuits. This chip is connected directly to a microprocessor which accepts parallel
interface (8-bit), serial peripheral interface (4-line SPI), I2C interface. Display data stores in an on-chip display data RAM
(DDRAM) of 192 x 65 bits. It performs Display Data RAM read/write operation with no external operating clock to minimize
power consumption. In addition, because it contains power supply circuits to drive liquid crystal, it is possible to make a
display system with the fewest components.
2. FEATURES
Single-chip LCD Controller & Driver
Driver Output Circuits
192-segment / 64-common+1-icon-common
On-chip Display Data RAM (DDRAM)
Capacity: 192x65= 12,480 bits
Microprocessor Interface
8-bit parallel bi-directional interface supports
6800-series or 8080-series MPU
4-line SPI
I2C Interface
Built-in Oscillation Circuit
Oscillator requires no external component
Programmable frame frequency
External RST (hardware reset) Pin
Various Display Functions
Partial display
Low Power Consumption Analog Circuit
Voltage booster with internal capacitor (X6)
Wide voltage regulator output range (4.78V~11.5V)
Built-in temperature compensation circuit
Voltage Gradient: -0.05%/°C
Built-in voltage follower for LCD bias voltages:
1/6 ~ 1/9 Bias
Wide Supply Voltage Range
Digital Power (VDD1): 1.8V~3.3V (typical)
Analog Power (VDD2,VDD3): 2.7V~3.3V (typical)
Temperature Range: -30°C ~ +80°C
Package: COG
ST7525
ST7525i
6800 , 8080 , 4-Line Interface
(without I2C Interface)
I2C Interface
Ver 0.3
1/52 2012/08/03
Sitronix Technology Corp. reserves the right to change the contents in this document without prior notice.

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