Operating Conditions
• 3V to 3.6V, -40°C to +150°C

Core: Dual Core dsPIC33CH DSCs
• Main Core 90 MHz and Secondary Core 100 MHz Operation
• Independent Peripherals for Main Core and Secondary Core
• Configurable Shared Resources for Main Core and Secondary Core
• Fast 6-Cycle Divide
• Message Boxes and FIFO to Communicate Between Main and Secondary (MSI)
• 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 and Accumulators per Core for Fast Interrupt Response
• Zero Overhead Looping

High Performance Peripherals for Real Time Control
• 4 x 12-bit 3.5 MSPS ADCs
• High Speed PWMs with 250ps resolution, 12 Ch
• Optimized for high-performance digital power, motor control and applications requiring sophisticated algorithms

Main Core features
• Core Frequency: 90 MHz
• Internal Data RAM: 16 Kbytes
• 16-Bit Timer: 1
• DMA: 6
• SCCP (Capture/Compare/Timer): 8
• UART: 2
• SPI/I2S: 2
• I2C: 2
• CAN Flexible Data-Rate (FD): 1
• SENT: 2
• CRC: 1
• QEI: 1
• PTG:1
• CLC: 4
• 16-Bit High-Speed (250ps) PWM: 4
• 12-bit, 3.5 Msps ADC: 1
• Digital Comparator: 4
• 12-Bit DAC/Analog CMP Module: 1
• Watchdog Timer: 1
• Deadman Timer: 1
• Breakpoints: 3 complex, 5 simple
• Oscillator: 1

Secondary Core features
• Core Frequency: 100 MHz
• Program Memory: 24 Kbytes (PRAM) Dual Partition with LiveUpdate
• Internal Data RAM: 4 Kbytes
• 16-Bit Timer: 1
• DMA: 2
• SCCP (Capture/Compare/Timer): 4
• UART: 1
• SPI/I2S: 1
• I2C: 1
• QEI: 1
• CLC: 4
• 16-Bit High-Speed (250ps) PWM: 8
• 12-bit, 3.5 Msps ADC: 3
• Digital Comparator: 4
• 12-Bit DAC/Analog CMP Module: 3
• Watchdog Timer: 1
• Breakpoints: 1 complex, 2 simple
• Oscillator: 1

Clock Management
• Internal Oscillator
• Programmable PLLs and Oscillator Clock Sources
• Main Reference Clock Output
• Secondary Reference Clock Output
• Fail-Safe Clock Monitor (FSCM)
• Fast Wake-up and Start-up
• Backup Internal Oscillator
• LPRC Oscillator

Power Management
• Low-Power Management Modes (Sleep, Idle, Doze)
• Integrated Power-on Reset and Brown-out Reset

Debugger Development Support
• In-Circuit and In-Application Programming
• Simultaneous Debugging Support for Main and Secondary Cores
• Main Only Debug and Secondary Only Debug Support
• IEEE 1149.2 Compatible (JTAG) Boundary Scan
• Trace Buffer and Run-Time Watch

Core Independent Touch
• Uses Peripheral Trigger Generator (PTG) and High-speed ADCs
• Ready-to-use touch library support in MPLAB Code Configurator (MCC)

Functional Safety Support (ISO 26262 and IEC 61508)
• ISO 26262 and IEC 61508 Functional Safety Ready
• ASIL B automotive safety applications – ISO 26262
• SIL 2 industrial safety applications – IEC 61508
• ISO 26262 and IEC 61508 Functional Safety Packages

Embedded Security
• CodeGuard security together with Flash OTP by ICSP Write Inhibit enables implementing Immutable Secure Boot
• Flash OTP by ICSP Write Inhibit to configure entire Flash as OTP
• Option to disable entry to the debug mode
• User OTP
• Enables implementing robust security use cases together with CryptoAuthentication and CryptoAutomotive devices such as:
• Secure Boot
• Secure Firmware Upgrade
• Secure Communication
• Node Authentication and more

Functional Safety hardware features
• Dead-Man Timer (DMT) safety feature clocked by instruction fetches
• Watch Dog Timer (WDT)
• CodeGuard™ security for program FLASH
• Programmable Cyclic Redundancy Check (CRC)
• FLASH ECC Fault Injection testing feature
• Flash OTP by ICSP™ write inhibit
• Class B Safety Library, IEC 60730
• RAM Memory Built-In Self Test (MBIST)
• Two-Speed Start-up
• Fail-Safe Clock Monitoring (FSCM)
• Backup FRC (BFRC)
• Capless Internal Voltage Regulator
• Virtual Pins for Redundancy and Monitoring
• Multiple redundant clock sources
• I/O Port read-back
• Analog peripherals redundancies
• Hardware traps
• SFR locks
• Write protection
• Shadow working registers

System developers designing high-end embedded control applications can benefit from a new Digital Signal Controller (DSC) with two dsPIC DSC cores in a single chip. The dsPIC33CH has one core that is designed to function as a main core while the other is designed as a secondary core. The secondary core is useful for executing dedicated, time-critical control code while the main core is busy running the user interface, system monitoring and communications functions, customized for the end application.

The dsPIC33CH is designed to facilitate independent code development for each core by separate design teams and allows seamless integration when they are brought together in one chip. The dsPIC33CH family is optimized for high-performance digital power, motor control, advanced sensing and control, and general-purpose high-end embedded applications requiring sophisticated algorithms.

These dual-core DSCs are a good fit for complex yet cost-effective advanced sensing, core-independent touch, motor, and digital power applications.

The dsPIC33CH product family has many hardware features that help simplify functional safety certifications for ASIL-B/-C and SIL-2/-3 focused automotive and industrial safety-critical applications. The family offers ISO 26262 and IEC 61508 Functional Safety packages containing FMEDA report, safety manual, diagnostic libraries and more. 

• Learn more about Functional Safety capabilities including hardware, software, and supporting collateral