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ST7637 Arkusz danych(PDF) 1 Page - Sitronix Technology Co., Ltd.

Numer części ST7637
Szczegółowy opis  65K 132x132 Color Dot Matrix LCD Controller/Driver
Download  210 Pages
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Producent  SITRONIX [Sitronix Technology Co., Ltd.]
Strona internetowa  http://www.sitronix.com.tw
Logo SITRONIX - Sitronix Technology Co., Ltd.

ST7637 Arkusz danych(HTML) 1 Page - Sitronix Technology Co., Ltd.

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ST
Sitronix
ST7637
65K 132x132 Color Dot Matrix LCD Controller/Driver
Ver 1.6
1/210
2009/03
1. INTRODUCTION
The ST7637 is a driver & controller LSI for 65K color graphic dot-matrix liquid crystal display systems. It generates 396
Segment and 132 Common driver circuits. This chip is connected directly to a microprocessor, accepts Serial Peripheral
Interface (SPI) or 8-bit/16-bit parallel display data and stores in an on-chip display data RAM. 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 necessary to drive liquid crystal, it is possible to make a display system with the fewest components.
2. FEATURES
Driver Output Circuits
♦ 396 segment outputs / 132 common outputs
Applicable Duty Ratios
♦ Various partial display
♦ Partial window moving & data scrolling
Gray-Scale Display
♦ 4FRC & 31 PWM function circuit to display 64
gray-scale display
♦ Support 8 color mode (Idle mode)
On-chip Display Data RAM
♦ Capacity: 132 x 132 x 16 =278,784 bits
Color support by Interface
♦ 256 colors (RGB)=(332) mode
♦ 4k colors (RGB)=(444) mode
♦ 65K colors (RGB)=(565) mode
♦ Truncated 262K colors (RGB)=(666) mode
♦ Truncated 16M colors (RGB)=(888) mode
Microprocessor Interface
♦ 8/16-bit parallel bi-directional interface with 6800-series
or 8080-series
♦ 4-line serial interface
♦ 3-line (9-bits) serial interface
On-chip Low Power Analog Circuit
♦ On-chip oscillator circuit
♦ Voltage converter (x2~x8) with internal capacitors.
♦ Extremely Few Outsider Components. (3 Capacitors)
♦ On-chip Voltage Regulator
♦ On-chip electronic contrast control function
♦ Voltage follower (LCD bias: 1/5~1/12)
Operating Voltage Range
♦ Supply Digital Voltage (VDD, VDD1): 1.65 to 3.0V
♦ Supply Analog Voltage (VDD2~VDD5): 2.4 to 3.3V
♦ LCD driving voltage (VOP = V0 - VSS): Max: 18V
LCD Driving Voltage (OTP)
♦ Contrast Adjustment Value is stored in the Built-In
OTP-ROM for better display quality.
LCD Driving setting suggestion
♦ VOP = 14V, BIAS=1/9. (VDD=2.8V)
♦ VOP=15.5V,BIAS=1/10. (VDD=2.8V)
Package Type
♦ Application for COG
ST7637
6800, 8080, 4-Line, 3-Line interface
Sitronix Technology Corp. reserves the right to change the contents in this document without prior notice.


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