dsPIC33F General Purpose Digital Signal Controller (DSC) with seamless migration options to PIC24F, PIC24H MCUs and dsPIC30F DSCs in similar packages.

Operating Range:

  DC – 40 MIPS (40 MIPS @ 3.0-3.6V, -40°C to +125°C)

  Industrial temperature range (-40°C to +85°C)

  Extended temperature range (-40°C to +125°C)

  High temperature range (-40°C to +150°C)

High-Performance DSC CPU:

  Modified Harvard architecture

  C compiler optimized instruction set

  16-bit wide data path

  24-bit wide instructions

  Linear program memory addressing up to 4M instruction words

  Linear data memory addressing up to 64 Kbytes

  83 base instructions: mostly 1 word/1 cycle

  Sixteen 16-bit General Purpose Registers

  Two 40-bit accumulators:

  With rounding and saturation options

  Flexible and powerful addressing modes:

  Indirect, Modulo and Bit-Reversed

  Software stack

  16 x 16 fractional/integer multiply operations

  32/16 and 16/16 divide operations

  Single-cycle multiply and accumulate:

  Accumulator write back for DSP operations

  Dual data fetch

  Up to ±16-bit shifts for up to 40-bit data

Direct Memory Access (DMA):

  8-channel hardware DMA

  2 Kbytes dual ported DMA buffer area (DMA RAM) to store data transferred via DMA:

  Allows data transfer between RAM and a peripheral while CPU is executing code (nocycle stealing)

  Most peripherals support DMA

Interrupt Controller:

  5-cycle latency

  118 interrupt vectors

  Up to 67 available interrupt sources

  Up to 5 external interrupts

  7 programmable priority levels

  5 processor exceptions

Digital I/O:

  Wake-up/Interrupt-on-Change on up to 24 pins

  Output pins can drive from 3.0V to 3.6V

  All digital input pins are 5V tolerant

  4 mA sink on all I/O pins

System Management:

  Flexible clock options:

  External, crystal, resonator, internal RC

  Fully integrated PLL

  Extremely low jitter PLL

  Power-up Timer

  Oscillator Start-up Timer/Stabilizer

  Watchdog Timer with its own RC oscillator

  Fail-Safe Clock Monitor

  Reset by multiple sources

Power Management:

  On-chip 2.5V voltage regulator

  Switch between clock sources in real time

  Idle, Sleep and Doze modes with fast wake-up

Timers/Capture/Compare/PWM:

  Timer/Counters, up to nine 16-bit timers:

  Can pair up to make four 32-bit timers

  1 timer runs as Real-Time Clock with external 32.768 kHz oscillator

  Programmable prescaler

  Input Capture (up to 8 channels):

  Capture on up, down or both edges

  16-bit capture input functions

  4-deep FIFO on each capture

  Output Compare (up to 8 channels):

  Single or Dual 16-Bit Compare mode

  16-bit Glitchless PWM mode

Communication Modules:

  3-wire SPI (up to 2 modules):

  Framing supports I/O interface to simple codecs

  Supports 8-bit and 16-bit data

  Supports all serial clock formats and sampling modes

  I2C™ (up to 2 modules):

  Full Multi-Master Slave mode support

  7-bit and 10-bit addressing

  Bus collision detection and arbitration

  Integrated signal conditioning

  Slave address masking

  UART (up to 2 modules):

  Interrupt on address bit detect

  Interrupt on UART error

  Wake-up on Start bit from Sleep mode

  4-character TX and RX FIFO buffers

  LIN bus support

  IrDA® encoding and decoding in hardware

  High-Speed Baud mode

  Hardware Flow Control with CTS and RTS

  Data Converter Interface (DCI) module:

  Codec interface

  Supports I2S and AC’97 protocols

  Up to 16-bit data words, up to 16 words per frame

  4-word deep TX and RX buffers

  Enhanced CAN (ECAN™ module) 2.0B active (up to 2 modules):

  Up to 8 transmit and up to 32 receive buffers

  16 receive filters and 3 masks

  Loopback, Listen Only and Listen All Messages modes for diagnostics and bus monitoring

  Wake-up on CAN message

  Automatic processing of Remote Transmission Requests

  FIFO mode using DMA

  DeviceNet™ addressing support

Analog-to-Digital Converters (ADCs):

  Up to two ADC modules in a device

  10-bit, 1.1 Msps or 12-bit, 500 Ksps conversion:

  2, 4 or 8 simultaneous samples

  Up to 32 input channels with auto-scanning

  Conversion start can be manual or synchronized with 1 of 4 trigger sources

  Conversion possible in Sleep mode

  ±2 LSb max integral nonlinearity

  ±1 LSb max differential nonlinearity

CMOS Flash Technology:

  Low-power, high-speed Flash technology

  Fully static design

  3.3V (±10%) operating voltage

  Industrial and Extended temperature

  Low-power consumption