DSPIC33EP128MU506T-I/MR - 16-bit 70 MIPS DSC 128KB USB | Microchip
Référence : DSPIC33EP128MU506T-I/MR ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $6.95 | $6,95 |
| 10 | $6.32 | $63,20 |
| 100 | $5.64 | $564,00 |
| 500 | $5.18 | $2 590,00 |
| 1 000 | $4.72 | $4 720,00 |
DSPIC33EP128MU506T-I/MR Présentation
A digital signal controller combines the computational architecture of a microcontroller with the math acceleration of a DSP, sitting in the system hierarchy between general-purpose MCUs and dedicated DSPs. The dsPIC33EP family pairs a 16-bit pipelined core with DSP instructions, an on-chip regulator, and rich analog and communication peripherals, making it a power-management-oriented single-chip solution.
Key features include the 70 MIPS dsPIC33E core, 128 KB Flash and up to 32 KB of on-chip RAM for USB buffering and control, full-speed USB 2.0 OTG, multiple UART/SPI/I2C ports with PPS (Peripheral Pin Select) remapping, high-speed PWM, and an internal oscillator. The industrial temperature grade (-40C to +85C) suits harsh environments.
Architecturally, the MU-series emphasizes connectivity: USB OTG operates in host, device, or dual-role modes, while the DMA controller and 16-channel PPS enable flexible pin assignment without external glue logic. The 3.0V to 3.6V supply is handled by an integrated regulator, simplifying power-tree design.
Typical applications include USB-connected industrial instruments, motor control panels with USB commissioning ports, and audio or data-logging peripherals.
Design consideration: budget Flash endurance and USB compliance testing early; the VQFN-64 thermal pad requires a solid ground pour.
This page synthesizes distributor stock data, same-family drop-in alternatives, and design notes beyond the manufacturer datasheet.
Alternatives de remplacement direct pour DSPIC33EP128MU506T-I/MR — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec DSPIC33EP128MU506T-I/MR (même facteur de forme et même empreinte) — différant par Package, Core Architecture, Maximum CPU Speed.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
DSPIC33EP256MU506T-I/MR
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
DSPIC33EP64MU506-I/MR
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
DSPIC33EP128MU505T-I/MR
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
DSPIC33EP128MC506T-I/MR
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$4.9 / unité
Voir la fiche technique →DSPIC33EP128GP506T-I/MR
✅ Remplacement direct✓ En stock
$2.98 / unité
Voir la fiche technique →DSPIC33EP128MU506T-I/MR Valeurs maximales et caractéristiques électriques
| Core | dsPIC33E, 16-bit DSC |
| Maximum CPU Speed | 70 MIPS |
| Program Memory Size | 128 KB (43K x 24) Flash |
| USB | USB 2.0 full-speed OTG (host/device/dual role) |
| Température de fonctionnement | -40C to +85C (industrial, I-grade) |
| Boîtier | 64-VQFN (9x9 mm), MR suffix |
| Type de montage | Surface Mount |
| Packaging | Tape & Reel (T suffix) |
| Series | dsPIC33EP128MU506 |
| Communication Interfaces | USB OTG, UART, SPI, I2C |
| Pin Remapping | PPS (Peripheral Pin Select) |
| Timers / PWM | High-speed PWM, core timers |
| Oscillator | Internal FRC + external crystal options |
Configuration des broches de DSPIC33EP128MU506T-I/MR
| Broche 1 | MCLR — Master clear reset input |
| Broche 2 | AN0/VREF+/RB0 — Analog input 0 / positive voltage reference / port B bit 0 |
| Broche 3 | AN1/VREF-/RB1 — Analog input 1 / negative voltage reference / port B bit 1 |
| Broche 4 | AN2/RB2 — Analog input 2 / port B bit 2 (remappable RPx) |
| Broche 5 | AN3/RB3 — Analog input 3 / port B bit 3 (remappable RPx) |
| Broche 6 | AN4/RB4 — Analog input 4 / port B bit 4 (remappable RPx) |
| Broche 7 | AN5/RB5 — Analog input 5 / port B bit 5 (remappable RPx) |
| Broche 8 | AVDD — Analog supply voltage |
| Broche 9 | AVSS — Analog ground |
| Broche 10 | AN6/RB6 — Analog input 6 / port B bit 6 (remappable RPx) |
| Broche 11 | AN7/RB7 — Analog input 7 / port B bit 7 (remappable RPx) |
| Broche 12 | AN8/RB8 — Analog input 8 / port B bit 8 (remappable RPx) |
| Broche 13 | AN9/RB9 — Analog input 9 / port B bit 9 (remappable RPx) |
| Broche 14 | AN10/RB10 — Analog input 10 / port B bit 10 (remappable RPx) |
| Broche 15 | AN11/RB11 — Analog input 11 / port B bit 11 (remappable RPx) |
| Broche 16 | AN12/RB12 — Analog input 12 / port B bit 12 (remappable RPx) |
| Broche 17 | AN13/RB13 — Analog input 13 / port B bit 13 (remappable RPx) |
| Broche 18 | AN14/RB14 — Analog input 14 / port B bit 14 (remappable RPx) |
| Broche 19 | AN15/RB15 — Analog input 15 / port B bit 15 (remappable RPx) |
| Broche 20 | VDD — Digital supply voltage |
| Broche 21 | VSS — Digital ground |
| Broche 22 | RC1 — Port C bit 1 (remappable RPx) |
| Broche 23 | RC2 — Port C bit 2 (remappable RPx) |
| Broche 24 | RC3 — Port C bit 3 (remappable RPx) |
| Broche 25 | RC4 — Port C bit 4 (remappable RPx) |
| Broche 26 | RC5 — Port C bit 5 (remappable RPx) |
| Broche 27 | RC6 — Port C bit 6 (remappable RPx) |
| Broche 28 | RC7 — Port C bit 7 (remappable RPx) |
| Broche 29 | RC8 — Port C bit 8 (remappable RPx) |
| Broche 30 | RC9 — Port C bit 9 (remappable RPx) |
| Broche 31 | RC10 — Port C bit 10 (remappable RPx) |
| Broche 32 | RC11 — Port C bit 11 (remappable RPx) |
| Broche 33 | RC12 — Port C bit 12 (remappable RPx) |
| Broche 34 | RC13 — Port C bit 13 (remappable RPx) |
| Broche 35 | RC14 — Port C bit 14 (remappable RPx) |
| Broche 36 | OSC1/CLKI — Crystal oscillator input / external clock input |
| Broche 37 | OSC2/CLKO/RC15 — Crystal oscillator output / clock output / port C bit 15 |
| Broche 38 | VDD — Digital supply voltage |
| Broche 39 | VSS — Digital ground |
| Broche 40 | RD0 — Port D bit 0 (remappable RPx) |
| Broche 41 | RD1 — Port D bit 1 (remappable RPx) |
| Broche 42 | RD2 — Port D bit 2 (remappable RPx) |
| Broche 43 | RD3 — Port D bit 3 (remappable RPx) |
| Broche 44 | RD4 — Port D bit 4 (remappable RPx) |
| Broche 45 | RD5 — Port D bit 5 (remappable RPx) |
| Broche 46 | RD6 — Port D bit 6 (remappable RPx) |
| Broche 47 | RD7 — Port D bit 7 (remappable RPx) |
| Broche 48 | RD8 — Port D bit 8 (remappable RPx) |
| Broche 49 | RD9 — Port D bit 9 (remappable RPx) |
| Broche 50 | RD10 — Port D bit 10 (remappable RPx) |
| Broche 51 | RD11 — Port D bit 11 (remappable RPx) |
| Broche 52 | RD12 — Port D bit 12 (remappable RPx) |
| Broche 53 | RD13 — Port D bit 13 (remappable RPx) |
| Broche 54 | RD14 — Port D bit 14 (remappable RPx) |
| Broche 55 | RD15 — Port D bit 15 (remappable RPx) |
| Broche 56 | RE0 — Port E bit 0 (remappable RPx) |
| Broche 57 | RE1 — Port E bit 1 (remappable RPx) |
| Broche 58 | RE2 — Port E bit 2 (remappable RPx) |
| Broche 59 | VDD — Digital supply voltage |
| Broche 60 | VSS — Digital ground |
| Broche 61 | VCAP/VDDCORE — Internal regulator capacitor connection |
| Broche 62 | VUSB3V3 — USB 3.3V supply for USB transceiver |
| Broche 63 | D+ — USB differential data positive |
| Broche 64 | D- — USB differential data negative |
Applications typiques
DSPIC33EP128MU506T-I/MR convient pour 6 applications: USB-Connected Industrial Instruments, Motor Control with USB Commissioning, Data Logging Peripherals, Audio and USB Audio Class Devices, Building Automation Controllers, Portable Measurement Devices.
USB-Connected Industrial Instruments
The DSPIC33EP128MU506T-I/MR fits industrial instruments that require a USB commissioning or data port because its full-speed USB 2.0 OTG block removes the need for an external USB interface chip, saving board area and BOM cost. The 70 MIPS core and 128 KB Flash execute measurement, calibration, and protocol tasks concurrently, while Peripheral Pin Select lets designers route UART/SPI traffic without PCB respins. Typically used as a single-chip data-acquisition front end: sensors attach to remappable analog and digital pins, DMA streams samples to USB buffers, and the industrial -40C to +85C rating covers factory-floor temperature extremes. The main trade-off versus a non-USB controller is USB compliance testing, which is a one-time engineering cost.
Recommandé
Motor Control with USB Commissioning
Motor-drive boards benefit from the DSPIC33EP128MU506T-I/MR because the dsPIC33EP core provides DSP math for field-oriented control at 70 MIPS while the high-speed PWM module drives three-phase inverters. The added USB OTG port gives manufacturing and service teams a single-connector channel for firmware updates, parameter tuning, and fault logging. Quadrature encoder or hall inputs attach through remappable pins, and DMA keeps control-loop sampling deterministic. Compared with the MC-series sibling DSPIC33EP128MC506, the MU part trades some motor-specific peripheral emphasis for the on-chip USB PHY; for products that need both control and connectivity in one chip at 128 KB Flash, it is an efficient choice.
Recommandé
Data Logging Peripherals
For data loggers that offload to USB flash drives, the DSPIC33EP128MU506T-I/MR operates USB OTG in host mode, reading and writing mass-storage devices without a host PC. The 128 KB Flash holds the FAT file-system stack alongside application logic, and the RAM budget supports multi-buffer USB transfers with DMA. Remappable SPI and I2C ports connect flash, EEPROM, and sensor banks, while the internal oscillator allows crystal-free designs when timing tolerance permits. The 64-pin VQFN (9x9 mm) keeps the board compact for enclosures. Designers should budget the 3.x V supply and ensure VCAP and VUSB3V3 decoupling per the datasheet for reliable USB eye compliance across the -40C to +85C range.
Recommandé
Audio and USB Audio Class Devices
The DSPIC33EP128MU506T-I/MR serves USB audio accessories by combining the full-speed USB 2.0 OTG peripheral with a DSP core capable of executing filtering and gain math on streaming samples. The 70 MIPS throughput supports stereo processing with headroom, while DMA-fed USB endpoints keep isochronous transfers jitter-free. Remappable SPI/I2S-style interfaces connect audio codecs, and the 128 KB Flash stores descriptors, DSP routines, and control firmware in one image. The industrial temperature grade suits professional and installed-audio equipment. The main design consideration is managing the shared RAM between USB buffering and DSP scratch memory, which usually requires careful buffer sizing and ping-pong schemes in firmware.
Recommandé
Building Automation Controllers
Building automation nodes use the DSPIC33EP128MU506T-I/MR as the main controller when a USB service port simplifies installation and diagnostics. The 16-bit core at 70 MIPS runs control logic, communication stacks, and scheduling in parallel, and multiple UART, SPI, and I2C ports - each routable to nearly any pin through Peripheral Pin Select - connect sensors, displays, and sub-GHz or RS-485 links. The industrial -40C to +85C rating covers rooftop and mechanical-room environments, and the single-supply design with an internal regulator simplifies panel power. The 64-pin VQFN provides enough I/O for relay banks and sensor arrays without port expanders in typical zone-controller designs.
Recommandé
Portable Measurement Devices
Battery-powered handheld instruments choose the DSPIC33EP128MU506T-I/MR for its single-chip integration of USB device connectivity, analog-capable remappable I/O, and a 3.x V supply rail that matches common lithium cell regulators. The 70 MIPS core executes digital filtering on ADC streams in real time, and the 64-pin VQFN (9x9 mm) footprint keeps the PCB small enough for pen-style form factors. USB OTG lets the instrument recharge data offload sessions by plugging directly into PCs or phones with OTG adapters. Design attention should go to power-budget profiling, since USB operation raises average current; sleep and idle modes plus peripheral gating recover battery life during measurement gaps.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour DSPIC33EP128MU506T-I/MR — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | DSPIC33EP256MU506T-I/MR | DSPIC33EP64MU506-I/MR | DSPIC33EP128MU505T-I/MR | DSPIC33EP128MC506T-I/MR | DSPIC33EP128GP506T-I/MR |
|---|---|---|---|---|---|---|
| Package | 64-VQFN (9x9 mm, MR) | 64-VQFN (9x9 mm) - same | 64-VQFN (9x9 mm) - same | 64-VQFN (9x9 mm) - same | 64-VQFN (9x9 mm) - same | 64-VQFN (9x9 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Flash Memory | 128 KB (43K x 24) | 256 KB | 64 KB | 128 KB | 128 KB | 128 KB |
| Operating Temperature | -40C to +85C (I-grade) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Packaging | Tape & Reel | Tape & Reel | Tube/Tray | Tape & Reel | Tape & Reel | Tape & Reel |
| Peripheral Emphasis | USB connectivity | USB connectivity, more Flash | USB connectivity, cost-optimized | USB connectivity, fewer channels | Motor control | General purpose |
Principaux différenciateurs
- On-chip USB 2.0 full-speed OTG (vs DSPIC33EP128GP506T-I/MR)
- Flash headroom upgrade path without respin (vs DSPIC33EP256MU506T-I/MR)
- Cost-optimized variant for memory-light firmware (vs DSPIC33EP64MU506-I/MR)
Notes de conception
The dsPIC33EP integrates an on-chip regulator: connect the VCAP/VDDCORE pin to a low-ESR ceramic capacitor (per the datasheet-recommended value, typically around 10 uF) to ground, placed as close to the pin as possible. VUSB3V3 needs its own 3.3 V rail with decoupling when USB is used; do not back-drive it from the main 3.x V rail without a filter. Estimate: with the internal regulator handling core current, keep VDD within the datasheet 3.x V range to guarantee 70 MIPS operation across -40C to +85C.
The 64-VQFN (9x9 mm) package has a central exposed pad (thermal/electrical) that must be soldered to a ground pour with an array of vias - skipping this pad is the most common assembly defect for MR-suffix parts and causes both thermal and ground-integrity issues. For USB, keep the D+/D- pair as a 90-ohm matched differential route, short and away from the high-speed PWM traces. Follow the Microchip layout guidance in the family datasheet pin-diagram section for crystal placement.
Because this reel SKU is marked discontinued at some franchise distributors, new production should qualify DSPIC33EP256MU506T-I/MR (pin-compatible, more Flash) as a second source. Also: the MU-series uses Peripheral Pin Select for UART/SPI/PWM routing - always cross-check final RPx assignments against the family datasheet mapping tables before locking the PCB, since incorrect default pin assumptions are the top firmware bring-up failure on dsPIC33EP designs.
Informations de conformité
Compliance data not stated in retrieved distributor listings for this exact reel SKU; verify against the Microchip product page or shipment certificate of conformance.
