dsPIC30f4011

dspic30f4011 is a great inexpensive compact microcontroller from Microchip and is ideal for motor controller applications. dspic 30f4011  microcontroller includes a large 48kB internal flash memory and a wide range of timers together with a number of PWM modules for adjustable motor speed control.

Features of dspic30f4011

• High-Performance Modified RISC CPU
  
• Modified Harvard architecture
  
• C compiler optimized instruction set architecture
  
• 84 base instructions with flexible addressing modes
  
• 24-bit wide instructions, 16-bit wide data path
  
• 16 x 16-bit working register array
  
• Up to 30 MIPs operation:
  
• DC to 40 MHz external clock input
  
• 4 MHz-10 MHz oscillator input with PLL active (4x, 8x, 16x)
  
• Peripheral and External interrupt sources
  
• 8 user selectable priority levels for each interrupt
  
• 4 processor exceptions and software traps
  
• Primary and Alternate interrupt Vector Tables
  

DSP Engine Features of dspic 30f4011

• Modulo and Bit-Reversed Addressing modes
  
• Two, 40-bit wide accumulators with optional saturation logic
  
• 17-bit x 17-bit single cycle hardware fractional/ integer multiplier
  
• Single cycle Multiply-Accumulate (MAC) operation
  
• 40-stage Barrel Shifter
  
• Dual data fetch
  

Peripheral Features of dspic30f4011

• High current sink/source I/O pins: 25 mA/25 mA
  
• Optionally pair up 16-bit timers into 32-bit timer modules
  
• 3-wire SPI™ modules (supports 4 Frame modes)
  
• I2C™ module supports Multi-Master/Slave mode and 7-bit/10-bit addressing
  
• Addressable UART modules with FIFO buffers

Motor Control PWM Module Features

• Complementary or Independent Output modes
  
• Edge and Center Aligned modes
  
• Multiple duty cycle generators
  
• Dedicated time base with 4 modes
  
• Programmable output polarity
  
• Dead time control for Complementary mode
  
• Manual output control
  
• Trigger for synchronized A/D conversions
  

Quadrature Encoder Interface Module Features

• Phase A, Phase B and Index Pulse input
  
• 16-bit up/down position counter
  
• Count direction status
  
• Position Measurement (x2 and x4) mode
  
• Programmable digital noise filters on inputs
  
• Alternate 16-bit Timer/Counter mode
  
• Interrupt on position counter rollover/underflow
  

Analog Features

• 10-bit 1 Msps Analog-to-Digital Converter (A/D)
  
• A/D Conversion available during Sleep and Idle
  
• Sample/Hold Channels
  
• Multiple Conversion Sequencing Options

Special Microcontroller Features

• Enhanced Flash program memory 10,000 erase/write cycle (min.) for industrial temperature range, 100K (typical)
• Data EEPROM memory 100,000 erase/write cycle (min.) for industrial temperature range, 1M (typical)
• Self-reprogrammable under software control
  
• Power-on Reset (POR), Power-up Timer (PWRT) and Oscillator Start-up Timer (OST)
  
• Flexible Watchdog Timer (WDT) with on-chip low power RC oscillator for reliable operation
  
• Fail-Safe clock monitor operation
  
• Detects clock failure and switches to on-chip low power RC oscillator
  
• Programmable code protection
  
• In-Circuit Serial Programming™ (ICSP™)
  
• Programmable Brown-out Detection and Reset generation
  
• Selectable Power Management modes
  
• Sleep, Idle and Alternate Clock modes