CP212x SPI 至 I2C 桥器件和 GPIO 端口扩展器

可以将 CP2120 紧凑式 SPI 至 I2C 桥和通用端口扩展器轻松添加到系统,从而解决接口兼容问题,并在需要时添加更多 GPIO。CP2120 includes a four-wire slave SPI bus, bridge control logic, a bidirectional I2C bus interface, and eight general-purpose input/output (I/O) pins. A SPI master communicates with other I2C devices by instructing the CP2120 to send and receive I2C data traffic using the simple command set. CP2120 can act as a master-transmitter and a master-receiver on the I2C bus and handle all I2C timing, addressing, and arbitration.

Buffer size
255 bytes
封装类型
QFN20

CP212xSPI 至 I2C 桥一般规格

  • 4 线 SPI 总线的工作频率可高达 1 MHz
  • Fully functional I2C master transmit and receive operation
  • 可配置 I2C 数据的频率,最高可达 400 kHz
  • 255 字节数据接收与发送缓存
  • 内部振荡器
  • 2.4 to 2.6 V operation
  • 低电平有效中断输出
  • 耐受 5 伏电压的 I/O 引脚
  • 8 general purpose I/O pins
状态
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零件号 接口 封装类型 封装尺寸 (mm)
SPI 至 I2C QFN20 4 × 4

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