DSPIC33FJ64MC706AT-I/PT - 16-bit 40MIPS DSC 64KB Flash | Microchip
MPN: DSPIC33FJ64MC706AT-I/PT ✓ AktifDSPIC33FJ64MC706AT-I/PT Ringkasan
A digital signal controller combines the computational architecture of a DSP with the peripheral set and ease of use of a microcontroller. Within the power-management hierarchy of embedded systems, the DSC sits between general-purpose MCUs and dedicated DSPs: it executes deterministic control loops (such as field-oriented motor control) while simultaneously handling communication, timing, and analog acquisition tasks on a single chip. The dsPIC33F family from Microchip Technology is a widely adopted 16-bit DSC platform for these mixed control-plus-connectivity designs.
Key features of this device include the 40 MIPS dsPIC33F core with DSP engine and barrel shifter, 16KB of on-chip SRAM, 8-channel DMA controller, and 11 timers. Analog capability is provided by a 16-channel, 10-bit/12-bit ADC supporting high-rate simultaneous sampling - essential for current and voltage sensing in motor drives. Five external interrupt sources and multiple serial ports round out the I/O capability.
The MC706 variant belongs to the motor-control (MC) subfamily, which integrates motor-control PWM peripherals suited to inverter and converter control. The CMOS process with low-power modes (Idle and Sleep) allows battery-powered and thermally constrained designs to reduce average current draw while retaining fast wake-up for real-time control loops.
Typical applications include three-phase motor control (BLDC, PMSM, AC induction), digital power supplies and solar inverters, and industrial automation nodes that need deterministic control loops alongside serial communication. The 3.0V to 3.6V supply range matches standard 3.3V industrial rails.
When designing with this device, budget the 16KB RAM carefully - control-loop state, DMA buffers, and communication stacks must share it; larger buffer requirements may favor the 128KB Flash variants of the same package. The industrial temperature rating (-40C to +85C) and RoHS3 compliance simplify qualification for factory environments.
This page synthesizes distributor pricing, drop-in same-package alternatives, design notes, and application guidance not consolidated in the manufacturer datasheet.
Pilihan pengganti yang segera untuk DSPIC33FJ64MC706AT-I/PT — sama paket, pin-pin kompatibel. Bahagian paket yang berbeza memerlukan kerja ulang PCB diasingkan.
Varietas dalam siri ini
Model serupa yang kompatibel dengan pengganti yang segera DSPIC33FJ64MC706AT-I/PT (sama faktor bentuk dan kaki) — berbeza dalam Package, Operating Temperature, Core Architecture, RoHS Status, Supply Voltage.
DSPIC33FJ64MC506A-I/PT
✅ Masuk Drop-InHubungi untuk harga
Lihat Datasheet →DSPIC33FJ64MC506-I/PT
✅ Masuk Drop-InHubungi untuk harga
Lihat Datasheet →DSPIC33FJ64MC510AT-I/PT
✅ Masuk Drop-InHubungi untuk harga
Lihat Datasheet →DSPIC33FJ128MC706AT-I/PT
✅ Masuk Drop-In ⚠️ Spesifikasi Tidak DisahkanHubungi untuk harga
Lihat Datasheet →DSPIC33FJ256MC706AT-I/PT
✅ Masuk Drop-In ⚠️ Spesifikasi Tidak Disahkan📋 Alternatif rujukan (tidak dalam katalog)
DSPIC33FJ64MC706A-E/PT
✅ Masuk Drop-In ⚠️ Spesifikasi Tidak DisahkanHubungi untuk harga
Lihat Datasheet →DSPIC33FJ64MC706AT-I/PT Penilaian maksimum & Ciri-ciri Elektrik
| Core Architecture | 16-bit dsPIC33F |
| Maximum Speed | 40 MIPS |
| Program Memory (Flash) | 64KB (64K x 8) |
| RAM Size | 16KB (16K x 8) |
| Tegangan Pemberi Arus | 3.0 V to 3.6 V |
| ADC Resolution | 10-bit / 12-bit |
| ADC Channels | 16 |
| General-Purpose I/O | 53 pins |
| Timers | 11 |
| DMA Channels | 8 |
| Serial Ports | 4 |
| External Interrupt Sources | 5 |
| Suhu Operasi | -40C to +85C (I grade) |
| Kemasan | 64-TQFP (10x10 mm) |
| Jenis Pemasangan | Surface Mount |
| Process Technology | CMOS |
| Low-Power Modes | Idle, Sleep |
| Status RoHS | RoHS3 Compliant |
Panduan Konfigurasi Pin DSPIC33FJ64MC706AT-I/PT 64-tqfp (10x10 mm)
Konfigurasi pin untuk DSPIC33FJ64MC706AT-I/PT (64-tqfp (10x10 mm) pakai). IC digital ini termasuk GPIO, antaramuka komunikasi (UART, SPI, I2C), dan pin kuasa. Rujuk dokumen pengeluar untuk fungsi pin alternatif dan opsi konfigurasi. Biasa digunakan dalam rancangan sistem ter嵌入式 dan PCB.
Tiada data garisan pin yang diperoleh untuk DSPIC33FJ64MC706AT-I/PT.
Rujuk kepada lembaran data untuk konfigurasi pin penuh.
Aplikasi Biasa
DSPIC33FJ64MC706AT-I/PT patut untuk 6 aplikasis: BLDC / PMSM Motor Control, Digital Power Supplies and Inverters, Industrial Automation Nodes, Sensor Signal Acquisition Systems, Audio and Speech Processing, Embedded Control with Serial Connectivity.
BLDC / PMSM Motor Control
The DSPIC33FJ64MC706AT-I/PT fits motor control because its 40 MIPS DSP core executes field-oriented control (FOC) loops at tens of kilohertz while the 16-channel 10/12-bit ADC samples phase currents simultaneously - a prerequisite for stable current controllers. Motor-control PWM peripherals generate complementary outputs with dead-time insertion for three-phase inverters. In use, the ADC is triggered by the PWM boundary to sample bus voltage and phase currents deterministically, with 8 DMA channels moving samples to RAM without CPU load. The main trade-off versus higher-end dsPIC33EP parts is 16KB RAM, which bounds the size of observer/state data but is ample for classic FOC and sensorless estimators at one or two motor axes.
Disebarkan
Digital Power Supplies and Inverters
Digital SMPS and solar-inverter control demand deterministic, high-rate voltage/current loops, and the MC706AT aligns well: the 40 MIPS core closes compensator loops at switching frequencies common in telecom and solar converters, while the 10/12-bit ADC and motor-control PWM provide the sense-and-drive path. The 8-channel DMA keeps sampling overhead near zero, so CPU cycles remain for soft-start, mode management, and protection routines. Compared with dedicated digital-power parts (dsPIC33FJ64GS610), the MC706AT lacks the highest-resolution PWM but offers a broader general-purpose peripheral mix. Design consideration: keep the control ISR under a few microseconds to preserve loop bandwidth at 40 MIPS.
Disebarkan
Industrial Automation Nodes
Factory automation nodes combine real-time sensing, actuation, and communication - a profile matched by the MC706AT's 53 GPIO, 11 timers, 4 serial ports, and 5 external interrupt sources. Typical deployments include conveyor sub-controllers, sensor aggregation, and actuator drivers where the 40 MIPS core handles both protocol stacks and local control. The industrial -40C to +85C rating covers unconditioned cabinet environments, and low-power Idle/Sleep modes reduce average draw in intermittently active nodes. The 3.0V to 3.6V supply range connects directly to standard 3.3V industrial rails. Trade-off: 64KB Flash bounds the combined application plus bootloader; reserve several KB for in-field firmware update code.
Disebarkan
Sensor Signal Acquisition Systems
Multi-channel acquisition systems benefit from the MC706AT's 16-channel 10/12-bit ADC combined with DMA: up to 16 sensor inputs can be scanned and buffered into the 16KB SRAM with no CPU intervention between conversions, while the DSP engine applies filtering (FIR/IIR) on the same core that manages serial upload through the 4 serial ports. This suits vibration monitors, strain-gauge bridges (with external instrumentation front ends), and process sensors in industrial equipment. Performance consideration: the 12-bit mode trades conversion speed for resolution - verify the ADC sample-rate budget in 12-bit mode against your signal bandwidth before fixing the architecture.
Disebarkan
Audio and Speech Processing
The dsPIC33F DSP engine (single-cycle MAC, barrel shifter) makes the MC706AT effective for speech-band audio: echo cancellation, compression, and tone control at 8-48 kHz sample rates fit within the 40 MIPS budget. The ADC captures microphone or line inputs and PWM/DAC-class peripherals handle output, while DMA streams buffers through the 16KB SRAM. For higher-fidelity applications, the part pairs with external audio codecs over its serial ports. The trade-off versus a general DSP is modest RAM - long-delay effects or multi-band codecs must use compact buffer schemes. This application suits intercoms, PA controllers, and speech-enhancement front ends rather than studio-grade processing.
Disebarkan
Embedded Control with Serial Connectivity
Many embedded designs need one chip that closes a control loop and talks to a host. The MC706AT provides 4 serial ports plus 5 external interrupts, allowing simultaneous links (for example UART to a host, SPI to flash or sensors, and a second UART to a display) while the 40 MIPS core runs application logic. This fits gateways, test fixtures, and instrument sub-systems where deterministic local behavior matters more than raw connectivity count. Bootloader-based field updates fit within the 64KB Flash if budgeted early. Design tip: map serial pin assignments in the PPS (peripheral pin select) stage of layout review, since remapping after PCB release forces redesign.
Disebarkan
Ringkasan Produk Disebarkan
Data referensi kejuruteraan untuk DSPIC33FJ64MC706AT-I/PT — perbandingan, panduan rancangan, dan maklumat kesediaan
Panduan Pilihan
Perbandingan dengan Gantian
| Parametr | Produk Ini | DSPIC33FJ64MC506A-I/PT | DSPIC33FJ64MC506-I/PT | DSPIC33FJ64MC510AT-I/PT | DSPIC33FJ128MC706AT-I/PT | DSPIC33FJ256MC706AT-I/PT | DSPIC33FJ64MC706A-E/PT |
|---|---|---|---|---|---|---|---|
| Package | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) - same footprint | 64-TQFP (10x10 mm) - same footprint | 64-TQFP (10x10 mm) - same footprint | 64-TQFP (10x10 mm) - same footprint | 64-TQFP (10x10 mm) - same footprint | 64-TQFP (10x10 mm) - same footprint |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Flash Memory | 64KB | 64KB | 64KB | 64KB | 128KB | 256KB | 64KB |
| RAM | 16KB | 16KB | 16KB | 16KB | 16KB | 16KB | 16KB |
| 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 | 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) | -40C to +85C (I) | -40C to +125C (E) |
| ADC | 16-ch 10/12-bit | 16-ch 10/12-bit | 16-ch 10/12-bit | 32-ch 10/12-bit | 16-ch 10/12-bit | 16-ch 10/12-bit | 16-ch 10/12-bit |
Penyeberangsung Jelas
- Balanced 64KB Flash / 16KB RAM in compact 64-TQFP (vsDSPIC33FJ128MC706AT-I/PT)
- Extended-temperature option in identical footprint (vsDSPIC33FJ64MC706A-E/PT)
- Newer A-step silicon (vsDSPIC33FJ64MC506-I/PT)
- Motor-control peripheral focus (vsDSPIC33FJ64GP708A-I/PT)
Catatan Desain
Supply the MC706AT from a regulated 3.3V rail that stays within the 3.0V to 3.6V window under all load transients. Decouple each VDD pin with 0.1uF ceramic capacitors placed within 2-3 mm of the pin, plus one bulk 4.7-10uF capacitor near the device. During Flash programming/erase the core draws transient current spikes; an undersupplied rail can trigger brownout reset mid-write. Follow Microchip's dsPIC33F power-supply layout guidance in the family reference manual.
The 64-TQFP (0.5 mm pitch) requires solder-mask-defined or non-solder-mask-defined pads per IPC recommendations; use the Microchip-supplied footprint. Place the 0.1uF VDD decoupling caps on the component side directly beneath the package perimeter. Keep the ADC reference (VREF+/AVDD) routed as a quiet star from a ferrite-bead-filtered 3.3V, separate from digital VDD, to preserve 12-bit ADC accuracy. Avoid routing PWM outputs adjacent to analog sense lines to prevent switching coupling into current measurements.
Two frequent mistakes: (1) exhausting the 16KB RAM - DMA buffers, stack, and control state share it; generate a map file early and leave 20% headroom for later firmware growth. (2) Ignoring the peripheral pin select (PPS) mapping - serial and other peripherals must be assigned in firmware before pins function; verify the mapping against your PCB netlist before release. Also confirm the -I suffix matches your temperature environment; the -E variant covers +125C.
Motor-control PWM edges switch quickly at 3.3V; add series resistors (22-33 ohm) on long traces to gate drivers to control ringing, and keep gate-driver return paths short to the DSC ground. For ADC sense lines, guard with ground pour and route away from PWM nets. Estimated: at 40 MIPS the core clock is 40 MHz - keep crystal or internal oscillator layout per the oscillator section of the family datasheet, with the crystal ground guard connected directly to the nearest VSS pin.
Maklumat Kesediaan
ROHS3 Compliant per distributor data (ics-embedded). AEC-Q100 qualification not stated in provided data.
