Datasheet > SED1590T

SED1590T

更新时间： 2024-11-09 21:02:43

品牌	Logo	应用领域
精工 - SEIKO		驱动接口集成电路
页数	文件大小	规格书
9页	91K
描述
LIQUID CRYSTAL DISPLAY DRIVER, UUC, TCP

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SED1590T 数据手册

PF928-01

SED1590 Series

LCD Segment Driver

SSC5000Series

■ DESCRIPTION

The segment (column) driver SED1590 having the built-in medium display capacity RAM enables low power

demand and high display quality, which are required for handy equipment, and is used with the common (low) driver

SED1751 and the power supply IC SCI7500.

This device can be directly connected to the micro processing unit (MPU) bus and is designed to store 8-bit parallel

display data sent from the MPU in the built-in display RAM and generate liquid crystal drive signals independently

of the MPU. The number of LCD drive outputs is 160 and it has a built-in display RAM of 160 outputs × 240 lines.

Since one dot of the liquid crystal panel pixel corresponds to one dot of the built-in RAM (one-to-one correspondence),

display of high degree of freedom can be achieved.

Writing into the built-in RAM from the MPU can be conducted with the minimum power demand since no external

operation clock is required. In addition, the MPU need not distinguish several chips even when more than one

SED1590s are used since the single chip selection function is available.

The SED1590 can apply to a wide variety of application since its slim shape is advantageous for narrowing the LCD

panel architecture and the logic system power supply can be operated with a low voltage.

■ FEATURES

● Number of LCD drive outputs: 160

● Drive duty ratio (max.): 1/240 duty

● RAM data direct display using display data RAM

RAM bit data: 0 = Off, 1 = On (at normal display)

● Built-in display RAM capacity: 160 × 240 bits

● 8-bit MPU interface

Directly connectable to both 80- and 68-series MPUs.

● Single chip selection function available when several

chips are used.

● Various command functions

● Ultra-low current consumption

● Power supply

Logic system: 2.7 to 3.6 V

LCD system: 5.4 to 7.2 V

● Non-bias display off function

● Slim chip

● Package to be shipped: Chip, TCP

● This product is not designed to resist radiation or light.

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