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随着技术的发展,目前液晶的应用范围越来越广泛。而点阵液晶在许多低档的消费产品中有着广泛的应用前景,知带有液晶显示的玩具、手机、电话机、PDA、 GPS等消费类产品。这里介绍的是4个灰度、16×64(16 COMMON,64 SEGMENT)点阵的液晶控制器,具有两种可选择的帧频率89Hz或170Hz,1/16占空比,内嵌比特映射的2k比特的显示内存,内嵌32kHz的RC振荡器,1/5或1/4的偏置电压,支持看门狗和蜂鸣器电路,4位的双向数据总线和读、写、芯片使能输入端。
With the development of technology, the current application of liquid crystal is more and more widely. The dot matrix LCD in many low-end consumer products has a wide range of applications, known to have a liquid crystal display toys, cell phones, telephones, PDA, GPS and other consumer products. Here are four gray, 16 × 64 (16 COMMON, 64 SEGMENT) dot matrix liquid crystal controller with two selectable frame rates 89Hz or 170Hz, 1/16 duty cycle, embedded bitmapped 2k bits of display memory, embedded 32kHz RC oscillator, 1/5 or 1/4 of the bias voltage, support for watchdog and buzzer circuits, 4-bit bi-directional data bus and read, write, chip enable Input.