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Sitronix Technology

ST7558 Datasheet Preview

ST7558 Datasheet

65 x 102 Dot Matrix LCD Controller/Driver

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ST
Sitronix
ST7558
65 x 102 Dot Matrix LCD Controller/Driver
1. INTRODUCTION
The ST7558 is a driver & controller LSI for graphic dot-matrix liquid crystal display systems. It contains 102 segment
and 65 common with 1 ICOM driver circuits. This chip is connected directly to a microprocessor, accepts 4-line serial
interface (SPI), I2C interface or 8-bit parallel interface, display data can stores in an on-chip display data RAM of 66 x
102 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
Driver Output Circuits
- Oscillator requires no external components
102 segment outputs / 65 common outputs
(external clock also possible)
On-chip Display Data Ram
- Voltage converter (x2, x3, x4, x5)
- Capacity: 66X102=6732 bits
- Voltage regulator (temperature gradient
Microprocessor Interface
-0.05%/°C)
- 8-bit parallel bi-directional interface with
- Voltage follower
6800-series or 8080-series
- On-chip electronic contrast control function (128
- 4-line SPI (serial peripheral interface) available
stepsX2)
(only write operation)
- Liquid crystal driving voltage :
- I2C (Inter-Integrated Circuit) Interface
V0 -VSS = max 12 V (external power supply)
On-chip Low Power Analog Circuit
External RESB (reset) pin
- Generation of LCD supply voltage (externally
Logic supply voltage range VDD -VSS
Vout voltage supply is possible)
- 1.8 to 3.3V
- Generation of intermediate LCD bias voltages
Temperature range: -30 to +85 degree
ST7558
www.DataSheet4U.com
ST7558i
6800 , 8080 , 4-Line
(without I2C interface)
I2C interface
Ver 2.3
1/56
2005/10/05




Sitronix Technology

ST7558 Datasheet Preview

ST7558 Datasheet

65 x 102 Dot Matrix LCD Controller/Driver

No Preview Available !

ST7558
3. PAD Arrangement (COG)
Chip Size: 10,220 um × 1000 um
Bump Pitch:
PAD NO 1 ~ 148 , 250 ~ 272 : 75.5 um (com/seg) PAD NO 149 ~ 248 : 75 um (I/O) PAD NO 148 ~ 149 : 114 um
PAD NO 248 ~ 249 : 93.5 um PAD NO 249 ~ 250 : 95.9 um
Bump Size:
PAD NO 1 ~ 125 , 137 ~ 248 , 250 ~ 261 : 55(x) um 60(y) um PAD NO 249 : 92(x) um 60(y) um
PAD NO 126 ~ 136 , 262 ~ 272 : 60(x)um 55(y) um
Bump Height: 17 um
Chip Thickness: 635 um
www.DataSheet4U.com
Ver 2.3
2/56
2005/10/05


Part Number ST7558
Description 65 x 102 Dot Matrix LCD Controller/Driver
Maker Sitronix Technology
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ST7558 Datasheet PDF






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