DSPIC33FJ64GP802-I/SO Microchip dsPIC33F 16-Bit Digital Signal Controller 40MIPS 64KB Flash General Purpose PWM ADC SOIC-28

DSPIC33FJ64GP802-I/SO Product Overview

The DSPIC33FJ64GP802-I/SO is a Microchip high-performance general-purpose 16-bit Digital Signal Controller (DSC) in a 28-lead SOIC package, delivering 64KB Flash and 16KB SRAM in a compact footprint for 3.3V embedded control applications that are space-constrained yet algorithm-intensive. Based on the dsPIC33F core running at 40 MIPS, the DSPIC33FJ64GP802-I/SO efficiently handles digital filtering, closed-loop control, and communication stacks. On-chip peripherals of the DSPIC33FJ64GP802-I/SO include five 16-bit timers, four input captures, four output compares/PWM, a 10-bit ADC (up to 1.1 Msps, up to 13 analog input channels), and four analog comparators. Communication interfaces provide 2× UART, 1× SPI, and 1× I2C, all with Peripheral Pin Select (PPS) for flexible pin assignment. Operating from 3.0V to 3.6V with an industrial temperature range of -40°C to +85°C, the DSPIC33FJ64GP802-I/SO is ideal for industrial sensor nodes, communication gateways, compact real-time controllers, and any general-purpose control application requiring significant processing power and large memory in a minimal PCB area.

DSPIC33FJ64GP802-I/SO Core Features

Processor Core: The DSPIC33FJ64GP802-I/SO features a 16-bit dsPIC33F core, 40 MIPS, DSP-enhanced instruction set

Program Memory: The DSPIC33FJ64GP802-I/SO provides 64KB Flash

Data Memory: The DSPIC33FJ64GP802-I/SO includes 16KB SRAM

Timers & Signal Processing: The DSPIC33FJ64GP802-I/SO integrates 5× 16-bit timers, 4× input capture, 4× output compare/PWM

Analog Front-End: The DSPIC33FJ64GP802-I/SO offers a 10-bit ADC (1.1 Msps, up to 13 channels) and 4 analog comparators

Communication Interfaces: The DSPIC33FJ64GP802-I/SO supports 2× UART, 1× SPI, 1× I2C, with Peripheral Pin Select (PPS)

System Management: The DSPIC33FJ64GP802-I/SO contains a watchdog timer, BOR/POR, and on-chip oscillator

General Purpose I/O: The DSPIC33FJ64GP802-I/SO provides up to 21 programmable I/O pins

Power & Package: The DSPIC33FJ64GP802-I/SO operates from 3.0V – 3.6V, in an SOIC-28 package, industrial -40°C to +85°C

DSPIC33FJ64GP802-I/SO Applications

Compact Industrial Nodes: The DSPIC33FJ64GP802-I/SO enables sensor interfaces, process transmitters, and distributed I/O modules

Communication Gateways: The DSPIC33FJ64GP802-I/SO is suited for dual-UART protocol converters, RS-485/RS-232 hubs, and IoT edge controllers

Portable & Consumer Electronics: The DSPIC33FJ64GP802-I/SO can be used in advanced HMI, portable instruments, and audio processing

General Real-Time Control: The DSPIC33FJ64GP802-I/SO fits space-constrained embedded systems needing large memory and DSP performance

DSPIC33FJ64GP802-I/SO Key Advantages

Massive Memory in a Tiny Package: The DSPIC33FJ64GP802-I/SO delivers 64KB Flash and 16KB SRAM in a 28-lead SOIC – a storage leader among small-footprint DSCs – comfortably running complex algorithms and dual protocol stacks.

Dual UART + PPS: Two independent UARTs on the DSPIC33FJ64GP802-I/SO simultaneously handle debug logging and external communication (e.g., RS-485, Bluetooth). PPS flexibly assigns pins, greatly simplifying layout on small PCBs.

Enhanced Analog Front-End: The DSPIC33FJ64GP802-I/SO provides a 13-channel 10-bit ADC and four analog comparators for a complete single-chip solution for multi-sensor acquisition and fast fault detection.

40 MIPS DSP Performance: The DSPIC33FJ64GP802-I/SO executes single-cycle MAC and DSP instructions, efficiently handling FIR/IIR filtering, FFT, and high-speed closed-loop control, delivering real-time capability beyond ordinary MCUs in compact systems.

3.3V Low-Voltage Operation: The DSPIC33FJ64GP802-I/SO is level-compatible with mainstream MCUs, sensors, and digital isolators, eliminating extra level shifters, reducing BOM cost, and simplifying power design.

Mature Development Tools: The DSPIC33FJ64GP802-I/SO is supported by free MPLAB X IDE and XC16 compiler, with MCC, DSP libraries, and peripheral libraries that shorten development cycles.

Long-Term Availability: The DSPIC33FJ64GP802-I/SO is a mature dsPIC33F family product with a stable long-term supply commitment.

Why Choose QIXINWEI

Years of experience in the electronics industry. Trusted by global customers.
Massive In-Stock Inventory – Ready to ship promptly.
BOM Matching Service – One-stop solution, save time.
PCBA Customization – Professional engineering team creates tailor-made solutions based on your needs.
Cost-Effective & Efficient – Better channel, better cost.
A dedicated team makes your procurement smoother.
Contact us for BOM quotes or PCBA inquiries.

FAQ

1. What makes the DSPIC33FJ64GP802-I/SO stand out among other 28-pin GP DSCs?
   
   • In the same 28-lead SOIC package, the DSPIC33FJ64GP802-I/SO delivers 64KB Flash and 16KB SRAM – double and quadruple that of the GP202 (32KB/4KB).
   • The extra SRAM accommodates larger data buffers and complex DSP states, especially beneficial for dual-protocol stacks or real-time data logging in compact designs.
2. What does the “-I/SO” suffix specifically indicate?
   
   • -I: Industrial temperature range (-40°C to +85°C), suitable for most industrial environments.
   • /SO: 28-lead SOIC narrow-body package, ideal for space-constrained designs and easy hand or reflow soldering.
3. How do the dual UARTs of the DSPIC33FJ64GP802-I/SO benefit real-world projects?
   
   • One UART can serve as a debug console or host interface, while the other independently connects to RS-485, Bluetooth, or fieldbus, avoiding time-sharing delays.
   • In industrial gateways or protocol converters, the DSPIC33FJ64GP802-I/SO's dual UARTs handle two serial streams simultaneously, eliminating external UART chips and saving BOM and PCB space.
4. What can the 16KB SRAM of the DSPIC33FJ64GP802-I/SO be used for in a tiny package?
   
   • Buffer multi-channel ADC continuous sampling data, enabling software oscilloscopes or long-term data logging.
   • Support long delay lines for FIR/IIR filters and intermediate arrays for FFT computations.
   • Provide sufficient memory for embedded operating systems (e.g., FreeRTOS) or multi-tasking programs.
5. Is the built-in ADC of the DSPIC33FJ64GP802-I/SO fast and accurate enough for multi-sensor systems?
   
   • The DSPIC33FJ64GP802-I/SO features a 10-bit resolution at up to 1.1 Msps sampling rate, with 13 analog input channels.
   • Adequate for most industrial transmitters, temperature, pressure, and current sensing. Oversampling and digital filtering via DSP instructions can further enhance effective resolution.
6. Can the DSPIC33FJ64GP802-I/SO directly drive a brushless DC (BLDC) motor?
   
   • Not recommended. The DSPIC33FJ64GP802-I/SO's 4 output compares generate general-purpose PWM but lack complementary outputs and hardware dead-time insertion required for safely driving three-phase inverter bridges.
   • For high-performance BLDC/PMSM control, choose a dsPIC33F MC series device with motor-control PWM, such as the DSPIC33FJ32MC202.
   • It is well-suited for brushed DC or stepper motor control with external driver ICs.
7. What programming and debugging options are supported for the DSPIC33FJ64GP802-I/SO?
   
   • Development uses Microchip's free MPLAB X IDE and XC16 compiler.
   • Hardware debugging via PICkit 3/4 or MPLAB ICD 3/4 tools, supporting in-circuit programming and step-by-step debugging.
   • MPLAB Code Configurator (MCC) provides graphical peripheral and pin setup, significantly lowering the development barrier.
8. How easy is the SOIC-28 package of the DSPIC33FJ64GP802-I/SO to solder?
   
   • 1.27 mm pin pitch is relatively wide for surface-mount, making it very friendly for hand soldering as well as reflow processes.
   • For volume-constrained products, the 28-lead SOIC strikes a great balance between serviceability and PCB footprint.
9. What are the benefits of 3.3V operation on the DSPIC33FJ64GP802-I/SO? Can it interface with 5V sensors?
   
   • 3.3V directly interfaces with most modern MCUs, DSPs, digital isolators, and low-power sensors without extra level shifting.
   • Most I/O pins on the DSPIC33FJ64GP802-I/SO are 5V-tolerant, so they can accept 5V logic inputs directly. However, the output high level is 3.3V; verify the logic-high threshold when driving 5V devices.
10. Is the DSPIC33FJ64GP802-I/SO a reliable choice for long-lifecycle industrial projects?
    
    • Yes, the DSPIC33FJ64GP802-I/SO belongs to the dsPIC33F family, a mature Microchip product line with a long-term availability policy, minimizing redesign risk.
    • Its 64KB Flash and 16KB SRAM leave generous headroom for future firmware upgrades and feature additions, making it ideal for industrial, medical, and instrumentation designs with extended lifecycles.