Silabs C8051F301步进马达参考设计

Silabs公司的C8051F301是采用8051 μC核的混合信号MCU,流水线指令架构,时钟25MHz,高达25MIPS吞吐量,具有扩展的中断处理器,同时还集成了比较器,POR/欠压检测器,片上调试,8KB闪存和数字外设如SMBus和UART等,主要用在汽车电子如电节流阀控制,仪表盘指示和车内气候控制等,以及工业设备如机器人,测试器和其它制造设备等.本文介绍了C8051F301主要特性,框图,开发套件以及步进马达参考设计主要特性,开发系统建立以及步进马达参考设计板电路图,材料清单和PCB元件布局图.

C8051F301主要特性:

Analog Peripherals
Comparator
-Programmable hysteresis and response time
-Configurable to generate interrupts or reset
-Low current (0.4 μA)
POR/Brown-Out Detector
On-Chip Debug
-On-chip debug circuitry facilitates full speed, non-intrusive in-system debug (no emulator required)
-Provides breakpoints, single stepping, watchpoints
-Inspect/modify memory, registers, and stack
-Superior performance to emulation systems using ICE-chips, target pods, and sockets
Supply Voltage: 2.7 to 3.6 V
-Typical operating current: 5.8 mA at 25 MHz 11 μA at 32 kHz
-Typical stop mode current: <0.1 μA
Temperature Range: –40 to +85 ℃
High-Speed 8051 μC Core
-Pipelined Instruction architecture; executes 70% of instructions in 1 or 2 system clocks
-Up to 25 MIPS throughput with 25 MHz clock
-Expanded interrupt handler
Memory
-256 bytes data RAM..

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