DSPIC33FJ256GP510A-E/PF - 16-bit DSC 40MIPS 256KB Flash | Microchip
MPN: DSPIC33FJ256GP510A-E/PF ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $9.85 | $9.85 |
| 10 | $8.95 | $89.50 |
| 100 | $8.2 | $820.00 |
| 500 | $7.55 | $3,775.00 |
| 1,000 | $6.9 | $6,900.00 |
DSPIC33FJ256GP510A-E/PF Overview
A Digital Signal Controller combines the compute architecture of a digital signal processor with the peripheral set and ease of use of a microcontroller, sitting in the system hierarchy between a general-purpose MCU and a dedicated DSP. The dsPIC33F family executes an modified Harvard, C compiler-friendly instruction set shared with the PIC24 MCU family, enabling seamless code migration between PIC24, dsPIC30F, and dsPIC33F devices in similar packages.
Key features include the 16-bit dsPIC33F core at up to 40 MIPS, 256 KB of self-programming Flash with ECC-free operation, 16 KB RAM including 2 KB of dedicated DMA RAM, and integrated connectivity peripherals: CAN 2.0B, I2C, SPI, UART/USART, and IrDA with LIN bus support. Two 3-wire SPI ports, multiple UARTs, and a rich analog block with a 10-bit/12-bit ADC and comparators support mixed-signal designs. Industrial and extended temperature qualification (the -E suffix denotes -40C to +125C) and AEC-Q100 automotive listing broaden deployment options.
Technically, the core provides DSP-engine instructions (MAC, DSP multiply-accumulate), 40-bit wide accumulators, and hardware division, enabling efficient filtering and control-loop math. DMA channels offload the CPU for high-throughput serial transfers, while the output-compare and input-capture modules simplify motor control and power-conversion timing.
Typical applications include industrial control and automation, digital power conversion, sensor signal conditioning, motor control, and embedded communication nodes using CAN or LIN, where the combination of 40 MIPS DSP throughput and -40C to +125C temperature range is decisive.
Design consideration: at 40 MIPS the device runs from a 3.3 V supply with an internal PLL from a lower-frequency crystal; budget supply decoupling per the power-pin pair layout and use an external VCAP voltage regulator capacitor as required by the datasheet.
This page synthesizes distributor pricing and stock data, drop-in alternatives, FAQs, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for DSPIC33FJ256GP510A-E/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 DSPIC33FJ256GP510A-E/PF (same form factor and footprint) — differing in Operating Temperature, Core Architecture, Package, Program Memory, Supply Voltage.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ256GP510A-I/PF
✅ Drop-In✓ In Stock
$8.64 / Unit
View Datasheet →DSPIC33FJ256MC510A-I/PF
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ128GP510A-I/PF
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ128MC510A-I/PF
✅ Drop-In✓ In Stock
$8.1 / Unit
View Datasheet →DSPIC33FJ256GP710A-I/PF
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$8.25 / Unit
View Datasheet →DSPIC33FJ256GP510AT-I/PF
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ256GP510A-E/PF Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33F DSC |
| Max CPU Speed | 40 MIPS |
| Program Memory (Flash) | 256 KB (256K x 8) |
| RAM | 16 KB (includes 2 KB DMA RAM) |
| Supply Voltage | 3.3 V |
| Operating Temperature | -40C to +125C |
| Package | 100-TQFP (14x14 mm) |
| Connectivity | CAN 2.0B, I2C, SPI, UART/USART, IrDA, LINbus |
| Mounting Type | Surface Mount |
| Qualification | Automotive, AEC-Q100 |
| Series | dsPIC 33F (GP - General Purpose) |
| Data Bus Width | 16 bit |
| Oscillator | External crystal + internal PLL |
| Programming Interface | ICSP (PGECx/PGEDx pairs), 3.3V programming |
| DMA | Yes (dedicated DMA RAM) |
| RoHS Status | Compliant |
| Packaging | Tray |
DSPIC33FJ256GP510A-E/PF Pin Configuration
| Pin 1 | MCLR — Master clear reset input / programming voltage |
| Pin 2 | AN0/VREF+/CN2/RB0 — Analog input 0 / positive ADC reference / change notification / port B |
| Pin 3 | AN1/VREF-/CN3/RB1 — Analog input 1 / negative ADC reference / change notification / port B |
| Pin 4 | AN2/SS1/CN4/RB2 — Analog input 2 / SPI slave select 1 / port B |
| Pin 5 | AN3/INDX/CN5/RB3 — Analog input 3 / quadrature index pulse / port B |
| Pin 6 | AN4/QEA/IC7/CN6/RB4 — Analog input 4 / quadrature A / input capture 7 / port B |
| Pin 7 | AN5/QEB/IC8/CN7/RB5 — Analog input 5 / quadrature B / input capture 8 / port B |
| Pin 8 | AN6/OCFA/RB6 — Analog input 6 / output-compare fault A / port B |
| Pin 9 | AN7/OCFB/RB7 — Analog input 7 / output-compare fault B / port B |
| Pin 10 | AN8/RB8 — Analog input 8 / port B |
| Pin 11 | AN9/RB9 — Analog input 9 / port B |
| Pin 12 | VSS — Ground reference |
| Pin 13 | VDD — Positive supply (3.3 V) |
| Pin 14 | AN10/RB10 — Analog input 10 / port B |
| Pin 15 | AN11/RB11 — Analog input 11 / port B |
| Pin 16 | PMD0/RE0 — Parallel master port data 0 / port E |
| Pin 17 | PMD1/RE1 — Parallel master port data 1 / port E |
| Pin 18 | PMD2/RE2 — Parallel master port data 2 / port E |
| Pin 19 | PMD3/RE3 — Parallel master port data 3 / port E |
| Pin 20 | PMD4/RE4 — Parallel master port data 4 / port E |
| Pin 21 | PMD5/RE5 — Parallel master port data 5 / port E |
| Pin 22 | PMD6/RE6 — Parallel master port data 6 / port E |
| Pin 23 | PMD7/RE7 — Parallel master port data 7 / port E |
| Pin 24 | VSS — Ground reference |
| Pin 25 | OSC1/CLKI — Oscillator crystal input / external clock input |
| Pin 26 | OSC2/CLKO/RC15 — Oscillator crystal output / clock output / port C |
| Pin 27 | VDD — Positive supply (3.3 V) |
| Pin 28 | PMA0/RC13 — Parallel master port address 0 / port C |
| Pin 29 | PMA1/RC14 — Parallel master port address 1 / port C |
| Pin 30 | SOSCI/CN1/RC13 — Secondary oscillator input / change notification / port C |
| Pin 31 | SOSCO/T1CK/CN0/PA4 — Secondary oscillator output / Timer1 external clock / port A |
| Pin 32 | VDD — Positive supply (3.3 V) |
| Pin 33 | SDA1/RG3 — I2C data 1 / port G |
| Pin 34 | SCL1/RG2 — I2C clock 1 / port G |
| Pin 35 | INT0/RD0 — External interrupt 0 / port D |
| Pin 36 | RF0 — General purpose I/O / UART (port F) |
| Pin 37 | RF1 — General purpose I/O / UART (port F) |
| Pin 38 | SDO1/RF2 — SPI data output 1 / port F |
| Pin 39 | SDI1/RF3 — SPI data input 1 / port F |
| Pin 40 | SCK1/RF4 — SPI clock 1 / port F |
| Pin 41 | SS1/RF5 — SPI slave select 1 / port F |
| Pin 42 | RF6 — General purpose I/O / UART (port F) |
| Pin 43 | VSS — Ground reference |
| Pin 44 | RF7 — General purpose I/O / UART (port F) |
| Pin 45 | RF8 — General purpose I/O / UART (port F) |
| Pin 46 | RF12 — General purpose I/O / UART (port F) |
| Pin 47 | RF13 — General purpose I/O / UART (port F) |
| Pin 48 | C1TX/RF1 — CAN1 transmit / port F |
| Pin 49 | C1RX/RF0 — CAN1 receive / port F |
| Pin 50 | VDD — Positive supply (3.3 V) |
| Pin 51 | RD8 — General purpose I/O / port D |
| Pin 52 | RD9 — General purpose I/O / port D |
| Pin 53 | RD10 — General purpose I/O / port D |
| Pin 54 | RD11 — General purpose I/O / port D |
| Pin 55 | RD12 — General purpose I/O / port D |
| Pin 56 | RD13 — General purpose I/O / port D |
| Pin 57 | VSS — Ground reference |
| Pin 58 | RG0 — General purpose I/O / port G |
| Pin 59 | RG1 — General purpose I/O / port G |
| Pin 60 | RG8 — General purpose I/O / port G |
| Pin 61 | RG9 — General purpose I/O / port G |
| Pin 62 | VSS — Ground reference |
| Pin 63 | PMA14/RA14 — Parallel master port address 14 / port A |
| Pin 64 | PMA15/RA15 — Parallel master port address 15 / port A |
| Pin 65 | RA7 — General purpose I/O / port A |
| Pin 66 | PMA2/RA1 — Parallel master port address 2 / port A |
| Pin 67 | PMA3/RA0 — Parallel master port address 3 / port A |
| Pin 68 | PMA4/RA3 — Parallel master port address 4 / port A |
| Pin 69 | PMA5/RA2 — Parallel master port address 5 / port A |
| Pin 70 | VDD — Positive supply (3.3 V) |
| Pin 71 | PMA6/RA5 — Parallel master port address 6 / port A |
| Pin 72 | PMA7/RA6 — Parallel master port address 7 / port A |
| Pin 73 | PMA8/RB15 — Parallel master port address 8 / port B |
| Pin 74 | PMA9/RB14 — Parallel master port address 9 / port B |
| Pin 75 | PMA10/RG13 — Parallel master port address 10 / port G |
| Pin 76 | PMA11/RG12 — Parallel master port address 11 / port G |
| Pin 77 | PMA12/RG11 — Parallel master port address 12 / port G |
| Pin 78 | PMA13/RG10 — Parallel master port address 13 / port G |
| Pin 79 | PMBE/RG7 — Parallel master port byte enable / port G |
| Pin 80 | PMRD/RG6 — Parallel master port read strobe / port G |
| Pin 81 | PMWR/RC4 — Parallel master port write strobe / port C |
| Pin 82 | PMCS1/RC1 — Parallel master port chip select 1 / port C |
| Pin 83 | VSS — Ground reference |
| Pin 84 | SOSCI2/T2CK/RC2 — Timer2 external clock / port C |
| Pin 85 | PGED3/RB5 — ICSP programming data 3 / port B |
| Pin 86 | PGEC3/RB4 — ICSP programming clock 3 / port B |
| Pin 87 | PGED2/RB3 — ICSP programming data 2 / port B |
| Pin 88 | PGEC2/RB2 — ICSP programming clock 2 / port B |
| Pin 89 | TMS — JTAG test mode select |
| Pin 90 | TCK — JTAG test clock |
| Pin 91 | TDI — JTAG test data input |
| Pin 92 | TDO — JTAG test data output |
| Pin 93 | PGED1/RB1 — ICSP programming data 1 / port B |
| Pin 94 | PGEC1/RB0 — ICSP programming clock 1 / port B |
| Pin 95 | AN12/RB12 — Analog input 12 / port B |
| Pin 96 | AN13/RB13 — Analog input 13 / port B |
| Pin 97 | AVSS — Analog ground reference |
| Pin 98 | AVDD — Analog positive supply |
| Pin 99 | VSS — Ground reference |
| Pin 100 | VDD — Positive supply (3.3 V) |
Typical Applications
DSPIC33FJ256GP510A-E/PF is suitable for 6 applications: Industrial Control and Automation, Digital Power Conversion, Motor Control Drives, Sensor Signal Conditioning and Data Acquisition, Automotive Body and Comfort Electronics, Embedded Communication Gateways.
Industrial Control and Automation
Factory automation nodes demand deterministic control loops, robust fieldbus connectivity, and tolerance to hot electrical cabinets. The DSPIC33FJ256GP510A-E/PF fits because its 40 MIPS 16-bit core executes PID and filtering math in the DSP engine, while integrated CAN 2.0B, UART, SPI, and I2C cover PLC backplane, sensor, and actuator links without external bridge ICs. The -40C to +125C AEC-Q100 rating keeps the controller alive inside sealed enclosures where ambient temperatures approach 100C. Typical use: CAN-based I/O modules and motion coordination, with the 2 KB DMA RAM sustaining high-rate ADC and UART streams without CPU intervention.
Recommended
Digital Power Conversion
Switching power supplies, PFC stages, and solar micro-inverters need fast, precise control at switching frequencies of 50-500 kHz. The dsPIC33FJ256GP510A delivers this with its high-speed ADC, output-compare/PWM timing resources, and DSP multiply-accumulate instructions that compute compensator equations within one switching period at 40 MIPS. The 256 KB Flash holds multi-mode firmware (soft-start, burst mode, fault handling) plus logging, and the -E temperature grade suits power electronics near hot heatsinks. Using DMA RAM to feed ADC results into the control loop minimizes interrupt latency, keeping duty-cycle update jitter low and THD in inverter output stages under control.
Recommended
Motor Control Drives
BLDC and PMSM drives require field-oriented control (FOC) executed every PWM cycle. The DSPIC33FJ256GP510A-E/PF's 40 MIPS DSP core, hardware MAC with 40-bit accumulators, input-capture outputs for rotor-angle decoding, and multiple PWM-capable outputs implement FOC with currents sampled via the integrated ADC. Its -40C to +125C AEC-Q100 qualification suits automotive pumps, fans, and industrial servos mounted close to the motor. The 100-pin TQFP provides enough GPIO to drive gate-driver logic, quadrature encoders, and a CAN or RS-485 supervisory link on one chip, cutting BOM count versus MCU-plus-DSP two-chip solutions.
Recommended
Sensor Signal Conditioning and Data Acquisition
Precision sensor front ends - strain gauges, thermocouples, pressure transducers - benefit from on-chip signal-chain compute. The dsPIC33FJ256GP510A runs IIR/FIR compensation and linearization tables on its DSP engine at 40 MIPS while its ADC samples multiple channels, with DMA RAM streaming results to UART or CAN for logging. The extended -40C to +125C range permits mounting near hot processes such as engine bays and industrial ovens. With 256 KB Flash, calibration curves and multi-sensor fusion firmware reside on-chip, and the 16 KB RAM buffers burst captures, eliminating external SRAM in compact transmitter designs.
Recommended
Automotive Body and Comfort Electronics
Automotive body controllers - lighting modules, seat adjusters, climate flaps - operate across the full vehicle temperature envelope and must pass AEC-Q100. The DSPIC33FJ256GP510A-E/PF, qualified to -40C to +125C, integrates a CAN 2.0B controller for the in-vehicle network, LIN-capable UARTs for low-cost subnodes, and enough PWM channels for LED dimming and motor h-bridge control. The 100-pin TQFP supplies the GPIO density such modules require for switch matrices and relay drivers. Its 256 KB Flash supports OTA-style field-update code shadows, and 3.3 V operation simplifies integration with modern automotive logic rails.
Recommended
Embedded Communication Gateways
Protocol gateways bridging CAN to RS-485, Ethernet-adjacent serial links, or IrDA ports need multiple simultaneous interfaces and buffering headroom. This DSC provides CAN 2.0B, two-class SPI, multiple UART/USART with IrDA encoding, and I2C simultaneously, while 2 KB of DMA RAM moves frames between peripherals without CPU copies, and 16 KB total RAM holds message queues. Running at 40 MIPS leaves ample cycles for protocol translation and CRC/checksum processing. The extended temperature rating suits roadside cabinets and unconditioned telecom enclosures, and seamless migration within the dsPIC33F/PIC24 family allows RAM or Flash upgrades in the same footprint.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ256GP510A-E/PF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ256GP510A-I/PF | DSPIC33FJ256MC510A-I/PF | DSPIC33FJ128GP510A-I/PF | DSPIC33FJ128MC510A-I/PF |
|---|---|---|---|---|---|
| Package | 100-TQFP (14x14 mm) | 100-TQFP (14x14 mm) - same | 100-TQFP (14x14 mm) - same | 100-TQFP (14x14 mm) - same | 100-TQFP (14x14 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Max Speed | 16-bit dsPIC33F, 40 MIPS | 16-bit dsPIC33F, 40 MIPS | 16-bit dsPIC33F, 40 MIPS | 16-bit dsPIC33F, 40 MIPS | 16-bit dsPIC33F, 40 MIPS |
| Flash Memory | 256 KB | 256 KB | 256 KB | 128 KB | 128 KB |
| RAM | 16 KB (incl. 2 KB DMA RAM) | 16 KB (incl. 2 KB DMA RAM) | 16 KB (incl. 2 KB DMA RAM) | 16 KB (incl. 2 KB DMA RAM) | 16 KB (incl. 2 KB DMA RAM) |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) |
| Peripheral Emphasis | General Purpose (GP) | General Purpose (GP) | Motor Control (MC) | General Purpose (GP) | Motor Control (MC) |
| Connectivity | CAN, I2C, SPI, UART, IrDA, LINbus | CAN, I2C, SPI, UART, IrDA, LINbus | CAN, I2C, SPI, UART, IrDA, LINbus | CAN, I2C, SPI, UART, IrDA, LINbus | CAN, I2C, SPI, UART, IrDA, LINbus |
Key Differentiators
- Extended temperature and AEC-Q100 qualification in the same footprint (vs DSPIC33FJ256GP510A-I/PF)
- Twice the Flash of the 128 KB family members (vs DSPIC33FJ128GP510A-I/PF)
- General-purpose analog emphasis for mixed-signal designs (vs DSPIC33FJ256MC510A-I/PF)
Design Notes
Decouple every VDD/VSS pair individually: place a 100 nF X7R ceramic capacitor within 2 mm of each pair, plus one 4.7-10 uF bulk capacitor near the device. Keep AVDD/AVSS as a separate analog supply island fed through an RC or ferrite filter from the digital 3.3 V rail to preserve ADC accuracy. Estimated: at 40 MIPS with peripherals active, core current is in the tens of mA range (see the datasheet DC characteristics table for exact typical values) - size the 3.3 V regulator with margin for peak switching currents on all GPIO.
ICSP programming uses matched PGECx/PGEDx pin pairs: if you route PGEC2 to your programmer's ICSPCLK, ICSPDAT must connect to PGED2 - mixing pairs is a frequent bring-up failure. Per Microchip's programming documentation (NSDSP support notes), all VDD/VSS pins must be connected during programming and debugging. Also ensure MCLR is pulled up (4.7-10 kOhm) and not clamped below the programming voltage by external circuitry; use a blocking diode or series resistor if the board drives MCLR from other logic.
Route the OSC1/OSC2 crystal traces short and guard them with ground; keep the secondary oscillator (SOSCI/SOSCO) away from high-current PWM traces. Assign CAN TX/RX with a nearby transceiver (e.g. MCP2551) placed close to the pins with a common ground plane to limit EMI on the bus stub. The 100-pin TQFP 0.5 mm pitch requires a well-defined solder-mask paste pattern to avoid bridging; a 14x14 mm thermal-friendly 4-layer stack (signal-ground-power-signal) yields cleanest analog performance.
Estimated: in typical 3.3 V industrial operation with moderate I/O loading, self-heating of the 100-TQFP is small (theta_JA of the TQFP-100 on a standard JEDEC board is on the order of 40-50 C/W - consult the datasheet thermal table). Even at an estimated 100 mA core+I/O current, dissipation is about 0.33 W, giving roughly 15-20 C rise at 40-50 C/W - comfortable within the +125C E-grade ceiling, but verify with your exact load current from the datasheet DC characteristics.
Compliance Information
Automotive AEC-Q100 qualification and -40C to +125C operation confirmed by distributor listings (Arrow, Hotenda, GlobalSpec). RoHS/lead-free status typical for current Microchip production; REACH and halogen-free status not stated in provided data.
