CP240x LCD 控制器

CP240x LCD controller devices are extremely low power, can drive up to 128 LCD segments and are easily interfaced with any microcontroller (MCU) using SPI or I2C interfaces. Select the best-fit MCU for the system and then add the CP240x to handle LCD requirements efficiently with respect to system size and power consumption.

CP2400/1/2/3 devices are fixed function LCD drivers that can also be used for expanding GPIO, timekeeping and increasing available system RAM by up to 256 bytes. They are controlled using direct and indirect internal registers accessible through the 4-wire SPI or 2-wire SMBus interface. 器件上的所有数字引脚都可耐受 5 V 电压。

LCD 段
高达 128
RAM
256 Bytes

CP240xLCD 控制器一般规格

  • Controls up to 128 segments (48-pin package) or 64 segments (32-pin package)
  • 最多可将 GPIO 数量增加 36 引脚(48 引脚封装)或 20 引脚(32 引脚封装)
  • Ultra-low power mode with LCD (<1.7 µA typical)
  • 通用 RAM 扩展可供主机控制器使用的内存
  • 二个通用 16–位计时器
  • 20 MHz 内部振荡器
  • 4 线 SPI 接口在带同步外接时钟的情况下最大工作频率可达 2.5 Mbps,在带内部时钟的情况下可达 1 Mbps (CP2400/2)
  • 2-wire SMBus/12C interface operates up to 400 kHz with internal clock (CP2401/3)
  • 1.8 - 3.6 V operation with integrated LDO
  • 关闭电流(通常 0.05 µA)
状态
Find the Right CP240x Device 选择列
选择列
零件号 LCD 段 接口 数字 I/O 引脚 封装类型 封装尺寸 (mm) RAM (KB) 定时器(16 位) 内部振荡器 温度范围 (ºC)
128 SPI 36 QFN48 7x7 256 2 -40 85
128 SPI 36 TQFP48 9 × 9 256 2 -40 85
128 I2C 36 QFN48 7x7 256 2 -40 85
128 I2C 36 TQFP48 9 × 9 256 2 -40 85
64 SPI 20 QFN32 5 × 5 256 2 -40 85
64 I2C 20 QFN32 5 × 5 256 2 -40 85

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