NXP Semiconductors LPC43S70 ARM Cortex-M4微控制器
NXP Semiconductors LPC43S70 ARM Cortex-M4微控制器在高达204MHz的CPU频率下运行。ARM Cortex-M4是一个32位内核，具有低功耗和增强的调试功能。这些微控制器集成了3级流水线，采用哈佛架构。这些微控制器的哈佛架构设计具有单独本地指令、数据总线和外设用 第三条总线。 LPC43S70包括一个应用程序ARM Cortex-M0协处理器和第二个用于管理SGPIO和SPI外设的ARM Cortex-M0子系统。ARM Cortex-M0内核是一款既节能又易于使用的32位内核，与Cortex-M4内核的代码和工具兼容。典型应用包括嵌入式音频、电机控制、电源管理、白色家电、 RFID阅读器、电子计量以及工业自动化。
特性
- Arm Cortex-M4 processor
- Built-in Memory Protection Unit (MPU) supporting eight regions
- Built-in Nested Vectored Interrupt Controller (NVIC) and JTAG
- Non-Maskable Interrupt (NMI) input
- Multiple SRAM blocks with separate bus access
- Serial GPIO (SGPIO) interface
- Unique ID for each device
- External Memory Controller (EMC) supporting external SRAM, ROM, NOR flash, and SDRAM devices
- Single power supply with on-chip DC-DC converter for core supply and the RTC power domain
- Security features with AES engine
- Available in LBGA256 and TFBGA100 packages
规范
- 264kB SRAM
- Cortex-M0 coprocessor operates up to 204MHz frequencies
- Single 3.3V (2.2V to 3.6V) power supply
- Crystal oscillator with an operating range of 1MHz to 25MHz
- 32-bit core Arm Cortex-M4 processor
- 64-bit of One-Time Programmable (OTP) memory for general-purpose use
应用
- Motor control
- Embedded audio applications
- Power management
- Industrial automation
- White goods
- E-metering
- RFID readers
Functional Block Diagram
发布日期: 2017-01-03
| 更新日期: 2022-03-11