水表需要满足以下功能:水使用量测量功能、LCD显示功能、与外部设备的数据通信功能。此外,水表必须在限定电池容量的情况下、在规定期间内稳定运转以实现这些功能。
瑞萨电子为满足多种规格LCD面板的需求,提供支持3种LCD驱动电压生成方式(内部升压/容量分配/外部电阻分配)的RL78/L1x系列,以及搭载LCD显示功能、最适合转速检测的采样输出定时器/检测器功能(通过子系统计时器(38.4kHz)最大通信速率为19200bps的UART、MR传感器实现)、最适合构建叶轮式水表的RL78/H1D。
High-function LCD Microcontrollers with USB 2.0/Rapid Charging Support for Sensor Modules and Healthcare Devices
Standard LCD Microcontrollers with Low Power Consumption, Suitable for LCD Display of Home Appliances or Measurement Devices
Compact LCD Microcontrollers with Low Power Consumption, Suitable for Small Appliances and Healthcare Devices
Ultra-low Power Microcontrollers with Embedded LCD and Enhanced Analog Peripherals
Microcontrollers for Sensing Transducers in Healthcare Devices and Optimized for Blood Pressure Monitors
Microcontrollers Suitable for Applications such as Detectors and Sensors Requiring Low Power and Analog Integration
Lowest Power SubGHz Wireless Communication Microcontrollers
Low Power, High Function, General Purpose Microcontrollers for Motor Control, Industrial and Metering Applications