DSPIC30F2012-20E/SP - 16-bit DSC, 20 MIPS, 12KB Flash | Microchip
料号： DSPIC30F2012-20E/SP ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $6.2 | $6.20 |
| 10 | $5.6 | $56.00 |
| 100 | $5.05 | $505.00 |
| 500 | $4.6 | $2,300.00 |
| 1,000 | $4.2 | $4,200.00 |
DSPIC30F2012-20E/SP 概述
A Digital Signal Controller combines the computational architecture of a digital signal processor (MAC instructions, DSP engine, modified Harvard bus) with the peripherals and ease of use of a microcontroller (MCU). In the embedded hierarchy, the DSC sits between general-purpose MCUs and dedicated DSPs, making it a voltage-regulator-like workhorse for control loops that need both fast math and flexible I/O. Microchip's dsPIC30F series popularized this category for cost-sensitive motor control and power conversion designs.
Key features of the DSPIC30F2012-20E/SP include 20 MIPS execution at 20 MHz operation, a 16-bit modified Harvard architecture with a hardware DSP engine, 12 KB of self-programmable Flash memory organized as 4K x 24-bit words, and 28 general-purpose pins in a breadboard-friendly SPDIP footprint. The E temperature suffix specifies extended operating range from -40C to +125C, and the SP suffix identifies the 28-pin 300-mil plastic dual in-line package.
Architecturally, the device executes most instructions in a single cycle, with dual 40-bit accumulators, a 17-bit x 17-bit single-cycle hardware multiplier, and DSP multiply-accumulate instructions that accelerate digital filtering, FFT computation, and Proportional-Integral-Derivative (PID) control loops. The on-chip Flash supports In-Circuit Serial Programming (ICSP) via the MPLAB ICD development ecosystem, and the part is supported by the MPLAB XC-DSC C/C++ compiler.
Typical applications include sensorless and brushed DC motor control, digital power supplies and power factor correction, embedded sensing, and industrial automation nodes where a through-hole 28-DIP package simplifies prototyping and low-volume assembly.
A key design consideration is clock selection: the 20 MIPS rating requires appropriate oscillator configuration, and designers must budget Flash capacity carefully since 12 KB (about 4K instructions) is modest for complex control algorithms.
This page synthesizes distributor availability data, drop-in family alternatives, and practical design guidance not consolidated in the manufacturer datasheet.
直接替换替代料： DSPIC30F2012-20E/SP ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： DSPIC30F2012-20E/SP （相同外形与封装尺寸） ——差异在于 Core Architecture, Max MIPS, Mounting Type, Operating Temperature, Package.
快速对比工具——选择替代料号进行并排对比：
DSPIC30F2012-20I/SP
✅ 直接替换📋 参考替代料（不在目录中）
DSPIC30F2012-30E/SP
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC30F2012-30I/SP
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$5.3 / 个
查看数据手册 →DSPIC30F2012-20E/SP 最大额定值与电气特性
| Core Architecture | 16-bit dsPIC30F DSC |
| Max MIPS | 20 MIPS |
| Operating Frequency | 20 MHz |
| Program Memory (Flash) | 12 KB (4K x 24) |
| 封装 | 28-SPDIP (0.300 in, 7.62 mm) |
| 安装类型 | Through Hole |
| 工作温度 | -40C to +125C (E suffix) |
| Series | dsPIC30F |
| 引脚数 | 28 |
| DSP Engine | Yes (single-cycle MAC, 40-bit accumulators) |
| Programming Interface | ICSP (In-Circuit Serial Programming) |
| Compiler Support | MPLAB XC-DSC C/C++ |
DSPIC30F2012-20E/SP 28-spdip (0.300 in, 7.62 mm) 引脚配置指南
DSPIC30F2012-20E/SP（28-spdip (0.300 in, 7.62 mm) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： DSPIC30F2012-20E/SP.
请参阅 数据手册 以查看完整引脚配置。
典型应用
DSPIC30F2012-20E/SP 适用于 6 应用s: Digital Motor Control, Digital Power Supplies and PFC, Embedded Sensing and Signal Processing, Industrial Automation Nodes, Education and Prototyping, Audio and Signal Conditioning Front Ends.
Digital Motor Control
The DSPIC30F2012-20E/SP fits brushed DC and low-complexity AC motor control because its 20 MIPS 16-bit core with single-cycle 17x17 hardware multiplier executes PID and field-oriented-control inner loops in microseconds, well inside typical 10-20 kHz PWM periods. Microchip's dsPIC30F family was architected explicitly for digital motor control, with DSP MAC instructions and 40-bit accumulators preventing overflow in fixed-point current loops. The controller runs the speed/current cascade directly, using its on-chip peripherals for PWM generation and analog feedback sampling. The extended -40C to +125C E temperature grade suits drive enclosures with elevated ambient temperatures. Firmware is developed in MPLAB X with the XC-DSC compiler, and Microchip provides motor-control software libraries for rapid bring-up.
推荐
Digital Power Supplies and PFC
Switching power supplies and power-factor-correction stages benefit from the DSPIC30F2012-20E/SP's deterministic 20 MIPS execution, which closes voltage and current feedback loops at high bandwidth with predictable latency. The hardware DSP engine handles the multiply-heavy control law of average-current-mode PFC without software overhead, and fixed-point arithmetic with 40-bit accumulators preserves resolution across wide load ranges. Placed as the sole controller, the DSC replaces analog compensation networks and enables digital soft-start, adaptive burst mode, and fault logging. The through-hole 28-SPDIP package allows fast iteration during power-stage bring-up. Confirm PWM resolution and ADC sampling behavior against the datasheet electrical specifications for your switching frequency before committing the design.
推荐
Embedded Sensing and Signal Processing
Sensor nodes that compute digital filters, RMS conversion, or FFT-based analysis on-board are a natural fit for the DSPIC30F2012-20E/SP, because its MAC instructions and dual 40-bit accumulators execute FIR/IIR filters in a fraction of the cycles an 8-bit MCU would need at the same clock rate. At 20 MIPS, a 64-tap fixed-point FIR filter on sampled sensor data completes comfortably within typical 1-10 kHz sampling budgets. The 12 KB Flash accommodates the filter coefficients, acquisition routines, and a compact communication stack. The E temperature grade supports industrial sensing environments, and the 28-DIP package simplifies laboratory sensor-bench prototypes with hand-soldered revisions.
推荐
Industrial Automation Nodes
Factory-floor nodes such as actuators, small conveyors, and process-trim controllers use the DSPIC30F2012-20E/SP as a compact control engine combining deterministic 20 MIPS execution with microcontroller-style peripherals. Its -40C to +125C extended temperature range survives panel enclosures near heat sources, and the through-hole 28-pin SPDIP package enables easy rework in low-volume industrial equipment where surface-mount rework is impractical. Typical firmware includes a fixed-point control loop at 1 kHz or faster plus a serial link to a supervisory PLC or HMI. Development is standardized on MPLAB X IDE with the XC-DSC C compiler, allowing code reuse across other dsPIC30F family members in the same equipment line.
推荐
Education and Prototyping
The 0.300-inch 28-pin SPDIP package of the DSPIC30F2012-20E/SP is its differentiating feature for education: it plugs into solderless breadboards and dual-inline prototyping boards, letting students hand-wire oscillator, reset, and ICSP circuits and observe 16-bit DSC behavior directly. Universities teaching embedded DSP and motor-control courses use the dsPIC30F family because the same silicon is available in through-hole while industrial derivatives use surface-mount packages. Programming uses low-cost PICkit-class tools with MPLAB X IDE and the free-to-evaluate XC-DSC compiler. Starting on the /SP package and migrating a proven design to the SO or ML packages later requires no silicon or code changes.
推荐
Audio and Signal Conditioning Front Ends
The DSPIC30F2012-20E/SP serves cost-sensitive audio processing tasks such as active crossovers, dynamic range compression, and tone control, where its single-cycle MAC at 20 MIPS performs the required biquad filters within a 48 kHz sample budget. Fixed-point arithmetic with 40-bit accumulators keeps quantization noise below the 16-bit audio floor for typical coefficient sets. As a conditioner in measurement equipment, it can decimate, filter, and envelope-detect signals before forwarding summary data over UART or SPI. The through-hole package suits instrument prototyping, while the -40C to +125C range permits use in outdoor or vehicle-mounted audio equipment where consumer-grade parts would be marginal.
推荐
推荐产品汇总
工程参考数据： DSPIC30F2012-20E/SP ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | DSPIC30F2012-20I/SP | DSPIC30F2012-30E/SP | DSPIC30F2012-30I/SP |
|---|---|---|---|---|
| Package | 28-SPDIP (0.300 in) | 28-SPDIP (0.300 in) - same | 28-SPDIP (0.300 in) - same | 28-SPDIP (0.300 in) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Performance | 20 MIPS | 20 MIPS | 30 MIPS | 30 MIPS |
| Flash Memory | 12 KB (4K x 24) | 12 KB (4K x 24) | 12 KB (4K x 24) | 12 KB (4K x 24) |
| Operating Temperature | -40C to +125C | -40C to +85C | -40C to +125C | -40C to +85C |
| Pin Compatibility | 28-pin dsPIC30F2012 pinout | Identical pinout | Identical pinout | Identical pinout |
| Extended Temp Suitability | Yes (E grade) | No (industrial only) | Yes (E grade) | No (industrial only) |
| Lifecycle Status | Active | Active | Active | Active |
关键差异点
- Extended -40C to +125C operation （对比 DSPIC30F2012-20I/SP)
- Best price/performance for fixed control loops （对比 DSPIC30F2012-30E/SP)
- Through-hole 28-SPDIP package in the whole dsPIC30F2012 family （对比 DSPIC30F2012-20I/SP)
设计说明
Decouple VDD with a 0.1 uF ceramic capacitor placed within 5 mm of the supply pin, plus a 4.7-10 uF bulk capacitor near the DIP socket. The dsPIC30F core draws supply current proportional to clock frequency; at 20 MHz operation the current is modest, but shared boards with relays or motor drivers should use a local LDO or ferrite bead to keep supply ripple off the DSC rail, since ADC accuracy and oscillator stability degrade with noisy VDD.
In the SPDIP package, reserve the MCLR, PGD, and PGC traces to a 5-pin ICSP header on every prototype. Keeping the programming chain intact in production boards enables field firmware updates via the 12 KB self-programmable Flash, and simplifies in-circuit diagnostics. Route PGD/PGC away from high dv/dt motor or power-switching nodes to prevent false ICSP entry or programmer communication errors during development.
Do not assume the 20 MIPS figure applies at all supply voltages: Microchip dsPIC30F datasheets define maximum operating frequency as a function of VDD, so a design running at the low end of the voltage range may need to derate the clock. Also, code ported between the 20E and 30E speed grades must have any cycle-count-dependent delay loops recalibrated, since the 30 MIPS part executes the same loop approximately 50% faster.
合规信息
Compliance documentation not present in the provided web data; request Microchip material declaration sheets for the specific date code.
