S6B0721 查看數據表（PDF） - Samsung

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S6B0721

132 SEG / 65 COM DRIVER & CONTROLLER FOR STN LCD

Samsung 

S6B0721

PRELIMINARY SPEC. VER. 0.1

132 SEG / 65 COM DRIVER & CONTROLLER FOR STN LCD

INTRODUCTION

The S6B0721 is a driver & controller LSI for graphic dot-matrix liquid crystal display systems. It contains 65

commons and 132 segments driver circuits. This chip is connected directly to a microprocessor, accepts serial or

8-bit parallel display data and stores in an on-chip Display Data RAM of 65 x 132 bits. It provides a high-flexible

display section due to 1-to-1 correspondence between on-chip display data RAM bits and LCD panel pixels. And it

performs display data RAM read/write operation with no externally 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.

FEATURES

Driver Output Circuits

− 65 common outputs / 132 segment outputs

On-chip Display Data RAM

− Capacity: 65 x 132 = 8,580 bits

Applicable Duty Ratios

Duty ratio

1/65

1/49

1/33

Applicable LCD bias

1/7 or 1/9

1/6 or 1/8

1/5 or 1/6

Microprocessor Interface

− 8-bit parallel bi-directional interface with 6800-series or 8080-series

− Serial interface (only write operation) available

Function Set

− Various instructions sets

− H/W, S/W reset capable

Built-in Analog Circuit

− On-chip oscillator circuit

− Voltage converter (x2, x3, x4, x5)

− Voltage regulator (temperature coefficient: -0.05%/°C, -0.2%/°C)

− Voltage follower

− Electronic contrast control function (64 steps)

Operating Voltage Range

− Supply voltage (VDD): 2.4 to 3.6 V

− LCD driving voltage (VLCD = V0 - VSS): 4.0 to 15.0 V

Low Power Consumption

− 70 µΑ Typ. (VDD = 3V, x4 boosting, V0 = 11V, internal power supply ON)

− 10 µΑ Max. (during power save [standby] mode)

Package Type

− Gold bump chip or TCP

Maximum display area

65 × 132

49 × 132

33 × 132

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