dsPIC33FJ128GP710-I/PF - 16-bit 40 MIPS DSC 128KB Flash | Microchip
MPN: DSPIC33FJ128GP710-I/PF ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.42 | $8.42 |
| 10 | $7.62 | $76.20 |
| 100 | $6.85 | $685.00 |
| 500 | $6.24 | $3,120.00 |
| 1,000 | $5.68 | $5,680.00 |
DSPIC33FJ128GP710-I/PF Overview
A digital signal controller combines the computational capability of a digital signal processor with the peripheral set and control-oriented architecture of a microcontroller. In the semiconductor hierarchy, a DSC sits between a general-purpose MCU and a dedicated DSP: like an MCU it integrates timers, UARTs, ADCs, and general-purpose I/O; like a DSP it provides single-cycle MAC instructions and a barrel shifter. The dsPIC33F family belongs to the broader 16-bit PIC architecture lineage, with seamless migration options to and from PIC24 and dsPIC30F devices.
Key features of the DSPIC33FJ128GP710 include a modified Harvard architecture with a 17-bit x 17-bit hardware multiplier and multiple internal bus capabilities, 51 I/O ports for extensive peripheral interfacing, and a supply voltage range of 3.0V to 3.6V (3.3V nominal). The device includes 2 KB of dual-ported DMA RAM, enabling efficient data movement between peripherals and memory without CPU intervention, which is essential for high-throughput signal processing pipelines.
Technically, the core supports fixed-point DSP operations including single-cycle multiply-accumulate and hardware division assist, while the flash programming specification supports in-circuit serial programming (ICSP) through paired PGECx/PGEDx pin pairs. Clock speed reaches 60 MHz per reference data (40 MIPS instruction throughput at the 4x PLL configuration typical of this family). The General Purpose (GP) variant emphasizes advanced analog integration, communications, and general-purpose digital signal control.
Typical applications include motor control and power conversion systems, digital audio and sensor signal processing, industrial automation controllers, and instrumentation where 16-bit control plus DSP math is required. The 100-pin TQFP provides abundant I/O for parallel interfacing, multiple communication buses, and external memory expansion.
Design consideration: all VDD and VSS pins must be connected for reliable operation, and programming requires using a matched PGECx/PGEDx pair, as mixed pairs will cause ICSP failures.
This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet, as of 2026-09-26.
Drop-in alternatives for DSPIC33FJ128GP710-I/PF — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with DSPIC33FJ128GP710-I/PF (same form factor and footprint) — differing in Operating Temperature, Core Architecture, Mounting Type, RoHS Status, Package.
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Request AlternativesDSPIC33FJ128GP710-I/PF Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit modified Harvard, dsPIC33F |
| Instruction Throughput | 40 MIPS |
| Clock Speed | 60 MHz |
| Flash Program Memory | 128 KB |
| SRAM | 16 KB |
| Dual-Ported DMA RAM | 2 KB |
| Supply Voltage | 3.0 V to 3.6 V (3.3 V nominal) |
| I/O Ports | 51 |
| Package Type | 100-pin TQFP (PF), 12 x 12 mm |
| Operating Temperature | -40C to +85C (Industrial) |
| Mounting Type | Surface Mount |
| Program Memory Type | Flash |
| Core Type | Digital Signal Controller (DSC) |
| Packaging | Tray |
| RoHS Status | Compliant |
| Programming Interface | ICSP via PGECx/PGEDx pairs |
| Lifecycle Stage | Active |
DSPIC33FJ128GP710-I/PF 100-pin tqfp (pf), 12 x 12 mm Pin Configuration Guide
Pin configuration for DSPIC33FJ128GP710-I/PF (100-pin tqfp (pf), 12 x 12 mm package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for DSPIC33FJ128GP710-I/PF.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ128GP710-I/PF is suitable for 6 applications: Industrial Motor Control, Digital Audio and Sensor Signal Processing, Industrial Automation Controllers, Test and Measurement Instrumentation, Embedded Networking and Gateway Nodes, Digital Power Conversion.
Industrial Motor Control
The DSPIC33FJ128GP710-I/PF fits motor control and digital power systems because its 40 MIPS 16-bit DSP core executes fast control-loop mathematics with single-cycle MAC instructions, while 2 KB of dual-ported DMA RAM streams ADC samples without CPU stalls. In a typical field-oriented-control topology, the device samples phase currents through its ADC at PWM-synchronized rates, runs Clarke/Park transforms and PI loops in software, and outputs complementary PWM gates. The 51 I/O pins support encoder or resolver feedback, communication buses, and fault protection inputs. At 3.3V with industrial -40C to +85C ratings, it survives factory environments. Consider the MC variant DSPIC33FJ128MC710-I/PF when higher-resolution dedicated PWM peripherals are required, since it shares the same 100-pin TQFP footprint.
Recommended
Digital Audio and Sensor Signal Processing
For digital audio filtering and sensor fusion, the DSPIC33FJ128GP710-I/PF provides the 40 MIPS fixed-point DSP engine (17x17-bit multiplier, barrel shifter) needed for FIR/IIR filters, FFTs, and FFT-adjacent spectral analysis, while retaining MCU-style peripherals for system control. The 128 KB flash accommodates substantial filter coefficient tables and application code, and the 16 KB SRAM with 2 KB DMA RAM supports double-buffered audio or sensor streams through UART, SPI, or parallel interfaces. Because the core is 3.0V to 3.6V, it interfaces directly with common 3.3V audio codecs and sensor front-ends. In signal chains, code the heavy math with DSP library routines and let DMA feed data, keeping CPU load predictable across the -40C to +85C industrial range.
Recommended
Industrial Automation Controllers
In PLC-style controllers, remote I/O modules, and machine automation nodes, the DSPIC33FJ128GP710-I/PF offers 51 general-purpose I/O lines - enough for relay banks, limit switches, and parallel indicator interfaces - plus multiple serial peripherals for Modbus-style communications. The 40 MIPS core handles both the protocol stack and the real-time control logic in a single chip, and the 128 KB flash leaves headroom for field firmware updates. Its 3.0V to 3.6V operation simplifies interfacing with 3.3V logic and optocoupled inputs via level-shifting stages. The industrial temperature rating (-40C to +85C) covers cabinet-mounted installations. Design the power rail with adequate decoupling on every VDD pin; all supply and ground pins must be connected for reliable ICSP field updates.
Recommended
Test and Measurement Instrumentation
Bench instruments, data loggers, and handheld meters benefit from the DSPIC33FJ128GP710-I/PF combination of DSP throughput and rich I/O. The 40 MIPS core performs calibration math, averaging, and digital filtering on ADC streams, while 51 I/O pins drive displays, keypads, and relays; the dual-ported DMA RAM sustains continuous sampling without gaps. The 100-pin TQFP provides enough parallel lines for external memory or display buses, and flash storage keeps calibration constants resident across power cycles. Operation from a single 3.3V rail with -40C to +85C tolerance suits both benchtop and field-portable products. Plan sampling pipelines around the DMA controller to guarantee deterministic data rates, and reserve one PGECx/PGEDx pair on the board for production programming and recalibration access.
Recommended
Embedded Networking and Gateway Nodes
The DSPIC33FJ128GP710-I/PF serves as a protocol gateway bridging CAN, UART, and SPI networks: its 40 MIPS core runs multiple stacks concurrently while hardware DMA offloads buffer management. The 128 KB flash hosts protocol implementations plus a bootloader for remote field updates, a common pattern in building automation and agricultural equipment. Fifty-one I/O lines handle module addressing, status LEDs, and auxiliary sensing. Because the device operates at 3.3V industrial temperature, it integrates cleanly with standard transceivers and isolated communications front ends. For heavy CAN deployments, pair the processor with a standalone CAN controller if more than one CAN channel is needed; firmware migration to the same-family A-step silicon is seamless if errata fixes become relevant during the product lifecycle.
Recommended
Digital Power Conversion
Switching power supplies, solar chargers, and UPS systems use the DSPIC33FJ128GP710-I/PF for closed-loop digital control: the 40 MIPS core executes voltage/current loop compensation at tens of kHz switching rates, and ADC sampling synchronized in software provides the timing precision needed for stable regulation. The 2 KB DMA RAM maintains continuous sample buffering, and the 16-bit architecture delivers the numeric range required by PI and predictive control laws. Its 3.3V domain interfaces with gate drivers and isolated feedback via simple conditioning stages. Industrial temperature rating suits enclosed power electronics. Design budget should reserve ISR headroom: at 40 MIPS, a 100 kHz control loop leaves roughly 400 instruction cycles per period, so keep compensation math efficient and consider the MC-series variant if advanced complementary PWM is preferred.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ128GP710-I/PF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ128GP710A-I/PF | DSPIC33FJ256GP710-I/PF | DSPIC33FJ64GP710-I/PF | DSPIC33FJ128MC710-I/PF |
|---|---|---|---|---|---|
| Package | TQFP-100 (PF), 12 x 12 mm | TQFP-100 (PF) - same | TQFP-100 (PF) - same | TQFP-100 (PF) - same | TQFP-100 (PF) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 128 KB | 128 KB | 256 KB | 64 KB | 128 KB |
| Instruction Throughput | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Supply Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) |
| Peripheral Family Focus | GP (general purpose, advanced analog) | GP, errata-corrected | GP, larger flash | GP, smaller flash | MC (motor control PWM) |
Key Differentiators
- Errata-free silicon recommended for new designs (vs DSPIC33FJ128GP710A-I/PF)
- Balanced memory at lowest cost (vs DSPIC33FJ256GP710-I/PF)
- GP peripheral focus with advanced analog (vs DSPIC33FJ128MC710-I/PF)
Design Notes
Connect every VDD and VSS pin on the 100-pin TQFP. Per Microchip guidance (northernsoftware.com dsPIC33FJ128GP710 notes), even one unconnected supply or ground pin can cause ICSP programming failure even when the application appears to run correctly. Place a 0.1 uF ceramic decoupling capacitor at each VDD/VSS pair plus one bulk capacitor (4.7 uF to 10 uF) near the device, and keep the PGECx/PGEDx programming header traces short and accessible on a production test header.
The dsPIC33FJ128GP710 provides multiple PGECx/PGEDx pin pairs, and they must be used as matched pairs for ICSP: if PGEC2 carries ICSPCLK, then ICSPDAT must connect to PGED2. Mixing pairs from different pairs is a common bring-up failure. Also note the original (non-A) silicon has a documented errata sheet published by Microchip; review it against your peripheral usage (especially if using the original part in a new design) or select the DSPIC33FJ128GP710A instead.
At 60 MHz internal clock (40 MIPS), keep the external crystal/oscillator traces short and guard them with ground pour. Provide a clean 3.3 V rail (3.0 V to 3.6 V operating window) and sequence power-up without brownout: enable the internal brown-out reset configuration. For ADC accuracy, route analog inputs away from switching nodes and use the dedicated VREF pins with low-noise references when better than a few LSBs of accuracy is required in measurement applications.
Compliance Information
RoHS compliant and lead-free per distributor (onlinecomponents.com) listing: 'RoHS Compliant'. REACH, halogen-free, and conflict-minerals statuses were not stated in the provided data.
