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Sitronix Technology

ST7546T Datasheet Preview

ST7546T Datasheet

66 x 102 Dot Matrix LCD Controller/Driver

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ST
Sitronix
ST7546T
1. INTRODUCTION
66 x 102 Dot Matrix LCD Controller/Driver
The ST7546T is a driver & controller LSI for graphic dot-matrix liquid crystal display systems. It contains 102 segment
and 65 common with 1 ICON driver circuits. This chip is connected directly to a microprocessor, accepts 8-bit parallel
interface3-line or 4-line serial peripheral interface (SPI)I2C 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
Single-chip LCD controller & driver
- Oscillator requires no external components
Driver Output Circuits
(external clock also possible)
102 segment / 65 common + 1 ICON
- Voltage converter (x4, x5)
On-chip Display Data ram
- Voltage regulator(temperature gradient
- Capacity: 66X102=6,732 bits
-0.11%/°C)
Microprocessor Interface
- Voltage follower
- 8-bit parallel bi-directional interface with
- On-chip electronic contrast control function (255
6800-series or 8080-series
steps)
- 4-line SPI (serial peripheral interface) available
External RESB (reset) pin
(only write operation)
Logic supply voltage range VDD1,2 -VSS
- 3-line SPI (serial peripheral interface) available
- I2C (Inter-Integrated Circuit) Interface
- VDD1 -VSS : 1.7 to 3.3V
- VDD2 -VSS : 2.4 to 3.3V
On-chip Low Power Analog Circuit
Display supply voltage range VLCD -VSS
- Generation of LCD supply voltage (externally
- 4.5 to 13.5V
Vout voltage supply is possible)
Temperature range: -40 to +85 degree
- Generation of intermediate LCD bias voltages
ST7546T-G2
www.DataSheet4U.com
ST7546Ti-G2
6800 , 8080 ,
4-Line , 3-Line interface
(without I2C interface)
I2C interface
Ver 1.2
1/48 2006/01/26




Sitronix Technology

ST7546T Datasheet Preview

ST7546T Datasheet

66 x 102 Dot Matrix LCD Controller/Driver

No Preview Available !

ST7546T
3. ST7546T-G2 Pad Arrangement (COG)
Chip Size: 8,200 um × 1020 um
Bump Pitch:
PAD NO 1 ~ 11 , 12 ~ 147 , 207 ~ 230 : 55 um ; PAD NO 11 ~ 12 : 56 um ;
PAD NO 148 ~ 216 : max : 175 um , min : 72 um
Bump Size:
PAD NO 188 ~ 193 : 45 (x)um × 60 (y) um ;
PAD NO 148 ~ 187 , 194 ~ 206 : 55 (x) um × 60 (y) um ;
PAD NO 124 ~ 137 , 217 ~ 230: 96 (x) um × 37 (y) um ;
PAD NO 1 ~ 123 , 138 ~ 147 , 207 ~ 216 : 37 (x) um × 96 (y) um ;
Bump Height: 17 um
Chip Thickness: 480 um
www.DataSheet4U.com
Ver 1.2
2/48
2006/01/26


Part Number ST7546T
Description 66 x 102 Dot Matrix LCD Controller/Driver
Maker Sitronix Technology
Total Page 30 Pages
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