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