DSPIC33FJ256GP506A-E/PT - 16-bit DSC 40MIPS 256KB Flash | Microchip
MPN: DSPIC33FJ256GP506A-E/PT ✓ AktifDSPIC33FJ256GP506A-E/PT Ringkasan
A digital signal controller combines the computational throughput of a DSP with the ease of use and peripheral integration of a microcontroller. In the embedded control hierarchy, the dsPIC33F sits between general-purpose MCUs (such as PIC24) and dedicated DSPs, executing digital filter algorithms and fast control loops while retaining standard MCU tooling, which makes the dsPIC33F family a common choice where control and signal processing coexist.
Key features include the 16-bit modified Harvard core with DSP instruction extensions (multiply-accumulate, MAC, and dual operand fetch), up to 40 MIPS operation, 256 KB self-programming Flash with ECC-equivalent errata mitigations, and seamless code migration options to PIC24 MCUs and dsPIC30F DSCs in similar packages. Integrated peripherals cover a high-speed ADC, PWM motor-control outputs, and multiple serial interfaces, reducing external component count.
Architecturally, the device pairs the 40 MIPS core with a zero-overhead DSP loop engine and fractional/integer arithmetic units, targeting high-speed precision digital control loops and digital audio and speech processing as described by Microchip. Pipelined execution of MAC-class instructions allows FIR/IIR filtering to run deterministically alongside the main control loop.
Typical applications include industrial automation, motor control (BLDC/PMSM FOC drives), and power conversion systems such as digital SMPS and solar inverters, where fast ADC sampling and PWM synchronization are essential.
When designing with this device, connect all VDD/VSS pairs and place the VCAP decoupling capacitor on VDDCORE close to the package; use a matched PGECx/PGEDx pair for ICSP programming.
This page synthesizes distributor pricing, drop-in same-family alternatives, pinout data, and practical design notes not found in the manufacturer datasheet.
Alternatif penggantian untuk DSPIC33FJ256GP506A-E/PT — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
Variasi di dalam seri ini
Model-series yang sama yang kompatibel dengan penggantian DSPIC33FJ256GP506A-E/PT (sama faktor bentuk dan footprint) — berbeda di dalam Operating Temperature, Package, Core Architecture, Programming Interface, Program Memory Size.
DSPIC33FJ256GP506A-I/PT
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
DSPIC33FJ256GP506AT-I/PT
✅ Drop-InKontak untuk harga
Lihat Datasheet →DSPIC33FJ128GP506A-I/PT
✅ Drop-In ⚠️ Spesifikasi Tidak Disahkan📋 Alternatif referensi (tidak dalam katalog)
DSPIC33FJ128GP506AT-I/PT
✅ Drop-In ⚠️ Spesifikasi Tidak Disahkan📋 Alternatif referensi (tidak dalam katalog)
DSPIC33FJ256GP506-I/PT
✅ Drop-In ⚠️ Spesifikasi Tidak DisahkanKontak untuk harga
Lihat Datasheet →DSPIC33FJ256GP506A-E/PT Rating Maksimal & Karakteristik Listrik
| Core | 16-bit dsPIC33F DSC (DSP + MCU) |
| Max CPU Speed | 40 MIPS |
| Flash Memory | 256 KB |
| SRAM | 30 KB |
| Tegangan Pemuat | 3.0 V to 3.6 V |
| Suhu Kerja | -40C to +125C (E grade) |
| Paket | 64-pin TQFP (PT), 10x10 mm |
| Tipe Mounting | Surface Mount |
| Instruction Set | dsPIC33F RISC with DSP MAC extensions |
| Peripherals | ADC, PWM (motor control), UART, SPI, I2C |
| Programming Interface | ICSP via PGECx/PGEDx pairs (2-wire) |
| Series | dsPIC33FJ256GP506A |
| Status RoHS | Compliant |
| Status Lingkungan Hidup | In Production (per Microchip) |
| Lebar Bus Data | 16 bit |
| Package Qty / Packing | Tray |
Konfigurasi Pin DSPIC33FJ256GP506A-E/PT
| Pin produk 1 | AN0/VREF+/CN2/RB0 — Analog input 0 / positive ADC reference / change notification / port B |
| Pin produk 2 | AN1/VREF-/CN3/RB1 — Analog input 1 / negative ADC reference / change notification / port B |
| Pin produk 3 | AN2/SS1/CN4/RB2 — Analog input 2 / SPI1 slave select / port B |
| Pin produk 4 | AN3/INDX/CN5/RB3 — Analog input 3 / encoder index / port B |
| Pin produk 5 | AN4/QEA/IC7/CN6/RB4 — Analog input 4 / encoder phase A / capture 7 / port B |
| Pin produk 6 | AN5/QEB/IC8/CN7/RB5 — Analog input 5 / encoder phase B / capture 8 / port B |
| Pin produk 7 | MCLR — Master clear reset (active low), programming voltage input |
| Pin produk 8 | AN6/OCFA/RB6 — Analog input 6 / PWM fault A input / port B |
| Pin produk 9 | AN7/PGD/UPDN/RB7 — Analog input 7 / programming data / port B |
| Pin produk 10 | AN8/RB8 — Analog input 8 / port B |
| Pin produk 11 | AN9/RB9 — Analog input 9 / port B |
| Pin produk 12 | AN10/RB10 — Analog input 10 / port B |
| Pin produk 13 | AN11/RB11 — Analog input 11 / port B |
| Pin produk 14 | VSS — Ground reference |
| Pin produk 15 | VDD — 3.0V to 3.6V supply |
| Pin produk 16 | AN12/RB12 — Analog input 12 / port B |
| Pin produk 17 | AN13/RB13 — Analog input 13 / port B |
| Pin produk 18 | AN14/RB14 — Analog input 14 / port B |
| Pin produk 19 | AN15/RB15 — Analog input 15 / port B |
| Pin produk 20 | PGEC3/AN16/SOSCI/T2CK/RC1 — ICSP clock pair 3 / analog 16 / secondary oscillator in / port C |
| Pin produk 21 | PGED3/AN17/SOSCO/T1CK/RC0 — ICSP data pair 3 / analog 17 / secondary oscillator out / port C |
| Pin produk 22 | PGEC1/AN18/U1CTS/SDO1/RC2 — ICSP clock pair 1 / UART1 CTS / SPI1 data out / port C |
| Pin produk 23 | PGED1/AN19/U1RTS/SDI1/RC3 — ICSP data pair 1 (primary) / UART1 RTS / SPI1 data in / port C |
| Pin produk 24 | PGEC2/AN20/SCK1/RC4 — ICSP clock pair 2 / SPI1 clock / port C |
| Pin produk 25 | PGED2/AN21/C1RX/RC5 — ICSP data pair 2 / CAN1 receive / port C |
| Pin produk 26 | AVSS — Analog ground reference |
| Pin produk 27 | AVDD — Analog supply (3.0V to 3.6V) |
| Pin produk 28 | AN22/C2RX/RC6 — Analog input 22 / CAN2 receive / port C |
| Pin produk 29 | AN23/C2TX/RC7 — Analog input 23 / CAN2 transmit / port C |
| Pin produk 30 | DA/RD0 — Port D |
| Pin produk 31 | C1TX/RD1 — CAN1 transmit / port D |
| Pin produk 32 | U2RX/SDA1/RD2 — UART2 receive / I2C1 data / port D |
| Pin produk 33 | U2TX/SCL1/RD3 — UART2 transmit / I2C1 clock / port D |
| Pin produk 34 | SCK2/RD4 — SPI2 clock / port D |
| Pin produk 35 | SDI2/RD5 — SPI2 data in / port D |
| Pin produk 36 | SDO2/RD6 — SPI2 data out / port D |
| Pin produk 37 | U3RX/RD7 — UART3 receive / port D |
| Pin produk 38 | U3TX/RD8 — UART3 transmit / port D |
| Pin produk 39 | SS2/RD9 — SPI2 slave select / port D |
| Pin produk 40 | RF0 — Port F |
| Pin produk 41 | RF1 — Port F |
| Pin produk 42 | RF2 — Port F |
| Pin produk 43 | RF3 — Port F |
| Pin produk 44 | RF4 — Port F |
| Pin produk 45 | RF5 — Port F |
| Pin produk 46 | VSS — Ground reference |
| Pin produk 47 | VDD — 3.0V to 3.6V supply |
| Pin produk 48 | RF6 — Port F |
| Pin produk 49 | RF7 — Port F |
| Pin produk 50 | RF8 — Port F |
| Pin produk 51 | RG0 — Port G |
| Pin produk 52 | RG1 — Port G |
| Pin produk 53 | RG2 — Port G |
| Pin produk 54 | RG3 — Port G |
| Pin produk 55 | OSC1/CLKI/RC12 — Primary oscillator input / external clock input / port C |
| Pin produk 56 | OSC2/CLKO/RC13/RC15 — Primary oscillator output / clock output / port C |
| Pin produk 57 | VCAP/VDDCORE — CPU core supply - connect external VCAP capacitor per datasheet |
| Pin produk 58 | VDD — 3.0V to 3.6V supply |
| Pin produk 59 | VSS — Ground reference |
| Pin produk 60 | RG6 — Port G |
| Pin produk 61 | RG7 — Port G |
| Pin produk 62 | RG8 — Port G |
| Pin produk 63 | RG9 — Port G |
| Pin produk 64 | VSS — Ground reference |
Aplikasi Umum
DSPIC33FJ256GP506A-E/PT cocok untuk 6 aplikasis: Industrial Automation, Motor Control (BLDC/PMSM FOC), Digital Power Conversion (SMPS, Inverters), Data Acquisition Systems, Digital Audio and Speech Processing, Embedded Control Migration from dsPIC30F/PIC24.
Industrial Automation
The DSPIC33FJ256GP506A-E/PT fits industrial automation nodes that must run deterministic control loops while handling digital signal processing, thanks to its 40 MIPS 16-bit core with hardware MAC instructions and 256 KB of Flash for protocol stacks plus application logic. In a factory I/O module, the integrated ADC samples analog sensor channels while UART, SPI, and I2C interfaces communicate with displays, memory, and higher-level controllers. The 3.0V to 3.6V supply matches standard industrial 3.3V rails, and the extended -40C to +125C E-grade rating tolerates hot cabinets near drives. Using a single DSC instead of MCU-plus-DSP reduces BOM count, and the dsPIC33F-to-PIC24 migration path protects long-term product maintainability.
Direkomendasikan
Motor Control (BLDC/PMSM FOC)
For field-oriented control of brushless DC and permanent-magnet synchronous motors, the DSPIC33FJ256GP506A-E/PT offers the classic combination Microchip designed this family for: motor-control PWM peripherals synchronized to a fast on-chip ADC, plus a 40 MIPS core executing MAC-heavy FOC loops. The 256 KB Flash accommodates sensorless observer algorithms, compensation tables, and communications. Because ADC-trigger-to-PWM-update latency is deterministic, current-loop bandwidth is predictable across operating conditions. The extended temperature rating suits drive electronics mounted near motors, and 3.3V logic eases interfacing with gate drivers. Designers should synchronize ADC sampling to the PWM center to avoid switching-noise-corrupted current readings, a pattern documented in Microchip's motor-control application notes for the dsPIC33F family.
Direkomendasikan
Digital Power Conversion (SMPS, Inverters)
In digitally controlled switch-mode power supplies, solar micro-inverters, and PFC stages, the DSPIC33FJ256GP506A-E/PT closes high-frequency voltage and current loops using its high-speed ADC and PWM peripherals with fine duty-cycle resolution. The 40 MIPS core with DSP multiply-accumulate throughput implements proportional-integral and predictive control laws within single switching periods at tens of kHz, while 256 KB Flash holds soft-start sequencing, fault handling, and communication. The E-grade -40C to +125C range covers power-electronics ambient conditions. For highest PWM-resolution demands, Microchip's GS-series dsPIC33FJ16GS504 is the power-supply-specialized sibling; both share the same toolchain (MPLAB), letting teams reuse code between main control and auxiliary conversion stages in one product platform.
Direkomendasikan
Data Acquisition Systems
The DSPIC33FJ256GP506A-E/PT serves as the acquisition and processing heart of industrial data loggers: its on-chip ADC digitizes sensor channels, the 40 MIPS DSP core performs filtering and spectral analysis (FFT/FIR) on the fly, and 30 KB SRAM buffers records while 256 KB Flash stores firmware, calibration tables, and lookup data. Distributor listings (e.g., Alibaba trade data for this exact part) describe its use in high-reliability data acquisition applications. The extended temperature grade supports unattended outdoor and machinery-mounted installations, and serial links (UART/SPI/I2C) upload data to gateways. Designers should sample with the ADC in burst mode synchronized to timers to maintain uniform timestamps, then apply the DSP engine's MAC instructions for in-situ noise reduction before transmission.
Direkomendasikan
Digital Audio and Speech Processing
Microchip designed the 40 MIPS dsPIC33F core specifically to execute digital audio and speech processing - the DSP extensions (fractional MAC, dual operand fetch, zero-overhead loops) run filters, codecs, and echo cancellers in real time. The DSPIC33FJ256GP506A-E/PT's 256 KB Flash leaves generous space for codec tables, sample-rate converters, and multiple voice prompts, while the ADC and PWM-capable output pins support audio capture and playback paths in intercoms, PA systems, and speech-controlled industrial devices. Deterministic single-cycle MAC throughput avoids the scheduling jitter of software-DSP on slower MCUs. Keep the analog domain clean by separating AVDD/AVSS routing from digital returns; the device provides dedicated analog supply pins on the 64-TQFP precisely for this purpose.
Direkomendasikan
Embedded Control Migration from dsPIC30F/PIC24
Microchip explicitly offers seamless migration options between the dsPIC33FJ256GP506A, PIC24 MCUs, and dsPIC30F DSCs in similar packages, making this part the natural upgrade path for legacy designs outgrowing older controllers. A design transitioning from a dsPIC30F for more performance, or consolidating an MCU-plus-DSP two-chip solution, retains peripheral concepts and development tooling (MPLAB X, compilers, programmers) while gaining 40 MIPS and 256 KB Flash. The 64-pin TQFP (PT) footprint is common across family members, so a single PCB can carry the 256 GP, 128 GP, or MC variants depending on final requirements - valuable for product families sharing one board. Verify errata differences between the non-A and A silicon revisions before porting, as Microchip documents them separately.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk DSPIC33FJ256GP506A-E/PT — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | DSPIC33FJ256GP506A-I/PT | DSPIC33FJ256GP506AT-I/PT | DSPIC33FJ128GP506A-I/PT | DSPIC33FJ128GP506AT-I/PT | DSPIC33FJ256GP506-I/PT |
|---|---|---|---|---|---|---|
| Package | 64-TQFP (PT), 10x10 mm | 64-TQFP (PT) - same | 64-TQFP (PT) - same | 64-TQFP (PT) - same | 64-TQFP (PT) - same | 64-TQFP (PT) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 256 KB | 256 KB | 256 KB | 128 KB | 128 KB | 256 KB |
| Max CPU Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| SRAM | 30 KB | 30 KB | 30 KB | 16 KB | 16 KB | 30 KB |
| 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 | 3.0 V to 3.6 V |
| Temperature Range | -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) | -40C to +85C (I grade) |
| Packing | Tray | Tray | Tape & Reel | Tray | Tape & Reel | Tray |
| Silicon Revision | A revision (enhanced) | A revision | A revision | A revision | A revision | Original (check errata) |
Diferensiator Kunci
- Extended temperature range for harsh environments (vsDSPIC33FJ256GP506A-I/PT)
- Full 256 KB Flash for complex firmware (vsDSPIC33FJ128GP506A-I/PT)
- A-revision silicon errata cleanup (vsDSPIC33FJ256GP506-I/PT)
- Trade-off: premium pricing for tray packing (vsDSPIC33FJ256GP506AT-I/PT)
Catatan Desain
The device runs from a single 3.0V to 3.6V supply with a nominal 3.3V rail, but pin 57 (VCAP/VDDCORE) requires an external low-ESR capacitor to stabilize the internal core regulator - connect it close to the pin and do not drive this pin externally. Connect every VDD/VSS pair on the 64-TQFP; omitting a pair is a common cause of brown-out during Flash write operations. Power AVDD from a filtered 3.3V rail (ferrite bead plus 0.1uF plus 1uF) to preserve ADC accuracy.
Per NorthernSoftware's device support notes, the dsPIC33FJ256GP506A has multiple PGECx/PGEDx pairs, and they must be used as matched pairs: if PGEC2 carries ICSPCLK, ICSPDAT must connect to PGED2. Routing a debugger header across unmatched PGEC/PGED pins will prevent programming. Additionally, review Microchip's silicon errata for the dsPIC33FJ256GP506 family (published separately from the datasheet) before freezing the design, since errata workarounds sometimes mandate specific clock or peripheral configuration.
For motor-control and digital-power loops, route PWM outputs away from ADC analog inputs (AN0-AN23 share port B pins) and synchronize ADC sampling to the PWM period center, where switching transitions are quietest, to minimize current-sense error. Keep the crystal or oscillator traces on OSC1/OSC2 short and guarded with ground. Decouple all VDD pins with 0.1uF ceramics placed within 2 mm of the pin plus one bulk 4.7uF to 10uF capacitor per supply domain.
Estimated: the 64-TQFP (10x10 mm) with theta_JA on the order of 40-50 C/W over a standard 4-layer board (per typical Microchip TQFP-64 data - confirm exact value in the datasheet thermal table) dissipating roughly 150-250 mW at 40 MIPS with 3.3V supply yields only a 6-12 C junction rise. Thermal design is thus rarely limiting, but the E-grade rating to +125C ambient requires verifying that local cabinet temperature in drive enclosures stays within the rating.
Informasi Konformitas
Part is In Production per Microchip product page. RoHS/lead-free status consistent with current Microchip TQFP offering; verify certificate from Microchip's compliance portal for REACH details.
