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Sitronix

ST7026 Datasheet Preview

ST7026 Datasheet

48 x 4 Dots Segment-type LCD Controller/Driver

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ST
Sitronix
ST7026
48 x 4 Dots Segment-type LCD Controller/Driver
1. INTRODUCTION
ST7026 is a LCD driver & controller LSI for graphic dot-matrix liquid crystal display systems. It contains 48 segment and 4
common driver circuits. ST7026 can be connected directly to a microprocessor with 3-Line serial peripheral interface (3-SPI)
or I2C compatible interface. Display data written by MPU is stored in an on-chip Display Data RAM (DDRAM) of 48 x 4 bits.
ST7026 performs Display Data RAM write-operation without external clock to minimize power consumption. In addition, the
built-in LED backlight control circuit can setup an LED backlight system with minimal components if necessary.
2. FEATURES
Single-chip LCD Controller & Driver
Driving Waveform
A-Type & B-Type
Driver Output Circuits
4 common / 48 segment outputs
On-chip Display Data RAM
Capacity: 48x4=864bits
Support Master/Slave display area
Microprocessor Interface
3-Line (9-bits) SPI (serial peripheral interface)
I2C Compatible interface
With External /RST (hardware reset) Pin
Built-in Oscillator requires no external component
Power Operating Voltage Range
Digital Power (VDD1,VDD3): 3.0V~5.0V (TYP.)
Analog Power (VDD2): 3.0V~5.0V (TYP.)
On-chip Low Power Analog Circuit
Built-in Voltage Booster generates high voltage (x2~x4)
(support external VLCD supply)
Built-in Voltage Regulator generates LCD Vop
(support external Vop supply)
Built-in Voltage Follower generates LCD Bias voltages
LCD Driving Voltage Range
Vop (V0-VSS2): 4V to 18V (Programmable)
Fast LCD Display Frame Frequency
Maximum LCD frame frequency: 320Hz
Built-in LED Backlight Control Circuit
PWM signal is synchronized with LCD frame
Programmable PWM Frequency: 50~14.4K (Hz)
Operation Temperature: -30 ~85°C
Package Type: COG
ST7026
3-Line Serial Interface
I2C Compatible Interface
Sitronix Technology Corp. reserves the right to change the contents in this document without prior notice.
V1.3
1/47 2014/06/26




Sitronix

ST7026 Datasheet Preview

ST7026 Datasheet

48 x 4 Dots Segment-type LCD Controller/Driver

No Preview Available !

ST7026
3. PACKAGE INFORMATION
Chip Size
5380 x 904 um
(with seal ring and scribe line)
Chip Thickness 480 um Bump Height 12um
PAD
Pitch (min)
2~5, 7~15, 17~22
80
1, 6, 16, 23~26, 47~96
50
27~46
40
97~101, 103~105, 115~138, 140~142,
144~146, 148~171, 182~185, 187~191
38
102, 106, 139, 186
68
108, 110, 112, 114, 173, 175, 177, 179, 181
76
143, 147
98
107, 172, 180
114
109, 111, 113, 174, 176, 178
152
PAD
Size
2~5, 7~15, 17~22
63 x 65
1, 6, 16, 23~26, 47~96
33 x 65
27~46
23 x 65
97~192
21 x 96
Note:
Please refer to the coordinates for the detailed information.
V1.3
2/47 2014/06/26


Part Number ST7026
Description 48 x 4 Dots Segment-type LCD Controller/Driver
Maker Sitronix
Total Page 30 Pages
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