Microchip Technology dsPIC33CK MC Digital Signal Controllers (DSCs)
Microchip Technology dsPIC33CK MC Digital Signal Controllers (DSCs) combine a high-performance 16-bit dsPIC33CK CPU with DSP capabilities, high-speed Pulse Width Modulation (PWM) peripherals, advanced analog features, and integrated communication interfaces. Operating at up to 100 MIPS, these DSCs are optimized for real-time control applications that require fast computation and precise signal processing. The dsPIC33CK MC family features high-resolution PWM generators, configurable 12-bit Analog-to-Digital Converters (ADCs), DMA channels, and CAN FD connectivity. These capabilities enable efficient control of DC/DC converters, AC/DC power supplies, power-factor correction stages, inverters, and intelligent lighting systems.
Designed for demanding motor control applications, the Microchip Technology devices support BLDC, PMSM, AC induction, stepper, and switched-reluctance motors. Integrated safety functions, diagnostic features, and industrial communication interfaces make the dsPIC33CK MC DSCs well-suited for industrial automation, robotics, automotive systems, and advanced embedded control platforms.
Features
- Operating conditions
- 3V to 36V range
- DC to 100 MIPs range
- -40°C to +125°C temperature range
- 16-bit dsPIC33CK CPU core
- 32Kbytes to 256Kbytes of program Flash with ECC and 8K to 16K data RAM
- Fast 6-cycle divide
- Code-efficient (C and assembly) architecture
- 40-bit wide accumulators
- Single-cycle (MAC/MPY) with dual data fetch
- Single-cycle, mixed-sign MUL plus hardware divide
- 32-bit multiply support
- Five sets of interrupt context-selected registers for fast interrupt response
- Zero-overhead looping
- 384 bytes of One-Time-Programmable (OTP) memory
- Clock management
- Selectable oscillator options
- 8MHz internal fast RC (FRC) oscillator
- Primary high-speed, crystal/resonator oscillator or external clock
- Primary PLL, which can be clocked from the FRC or crystal oscillator
- Programmable PLLs and oscillator clock sources
- Reference Clock Output (REFCLKO)
- Fail-Safe Clock Monitor (FSCM)
- Backup internal oscillator
- Selectable oscillator options
- Power management
- Low-power management modes (Sleep, Idle, Doze)
- Integrated power-on reset and brown-out reset
- High-speed PWM
- Four PWM pairs
- Up to 2ns PWM resolution
- Dead time for rising and falling edges
- Dead-time compensation
- Clock chopping for high-frequency operation
- PWM support for
- DC/DC, AC/DC, inverters, PFC, and lighting
- BLDC, PMSM, ACIM, stepper motors, and SRM motors
- Fault and current limit inputs
- Flexible trigger configuration for ADC triggering
- Timers/output compare/input capture
- One general-purpose 16-bit timer
- Peripheral Trigger Generator (PTG)
- Up to 15 trigger sources to other peripheral modules
- CPU-independent state machine-based instruction sequencer
- Two 16-bit general-purpose timers
- Four SCCP modules, which include timer, capture/compare, and PWM
- Two 16-bit timers or one 32-bit timer in each module
- PWM resolution down to 2.5ns (one output per SCCP module)
- 16- or 32-bit capture
- 4-deep capture buffer
- Fully asynchronous operation, available in sleep modes
- Advanced analog
- High-speed 12-bit ADC
- One shared SAR ADC core
- Configurable resolution (up to 12-bit)
- Up to 2Msps conversion rate per channel at 12-bit resolution
- Up to 20 input channels
- Dedicated result buffer for each analog channel
- Flexible and independent ADC trigger sources
- Four digital comparators
- Four oversampling filters for increased resolution
- One 30ns analog comparator
- One 12-bit DAC with hardware slope compensation
- High-speed 12-bit ADC
- Communication interfaces
- Three protocol UARTs with automated protocol handling support for LIN 2.2, DMX, and IrDA®
- Two four-wire SPI/I2S modules
- 16-byte FIFO
- Variable width
- I2S mode
- One CAN Flexible Data (FD) module
- One I2C module with SMBus support
- PPS to allow function remap
- Programmable Cyclic Redundancy Check (CRC)
- One SENT module
- Four Direct Memory Access (DMA) channels
- Peripherals
- High-current I/O sink/source
- Edge or level change notification interrupt on I/O pins
- Peripheral Pin Select (PPS) remappable pins
- Debugger development support
- In-circuit and in-application programming
- Three complex and five simple breakpoints
- IEEE 1149.2 compatible (JTAG) boundary scan
- Trace buffer and run-time watch
- Safety
- Backup Fast RC Oscillator (BFRC)
- Brown-out Reset (BOR)
- Capless internal voltage regulator
- Clock monitor system with backup oscillator
- CodeGuard™ security
- Cyclic Redundancy Check (CRC)
- Dual Watchdog Timer (WDT)
- Fail-Safe Clock Monitoring (FSCM)
- Flash Error Correcting Code (ECC)
- Flash OTP by ICSP™ write inhibit
- RAM memory Built-In Self-Test (MBIST)
- Two-speed start-up
- Virtual pins for redundancy and monitoring
- Windowed Deadman Timer (DMT)
- AEC-Q100 REV G qualified (Grade 1: -40°C to +125°C)
Applications
- Industrial automation equipment
- Factory motor drives
- Robotics and motion control
- Automotive control modules
- Consumer appliances
- Smart power management systems
- Intelligent sensors and actuators
- Embedded real-time control platforms
- Renewable energy systems
Block Diagram
CPU Block Diagram
Related DSCs
Microchip Technology dsPIC33CK 16-Bit Digital Signal Controllers
Integrates control attributes of MCUs with computation capabilities of DSPs in a single core.