DSPIC33FJ32GP101-E/SS - 16-Bit DSC 16 MIPs 32KB Flash | Microchip
料号： DSPIC33FJ32GP101-E/SS ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $4.95 | $4.95 |
| 10 | $4.45 | $44.50 |
| 100 | $3.95 | $395.00 |
| 500 | $3.55 | $1,775.00 |
| 1,000 | $3.2 | $3,200.00 |
DSPIC33FJ32GP101-E/SS 概述
A digital signal controller (DSC) combines the architecture of a microcontroller with the computational capability of a digital signal processor. DSCs sit in the hierarchy between general-purpose MCUs and dedicated DSPs: they integrate a CPU, Flash, SRAM, and peripherals for embedded control, while adding DSP-class multiply-accumulate instructions for math-intensive tasks such as digital filtering and motor control.
Key features include the 16-bit modified Harvard dsPIC33F core running at up to 16 MIPs from an internal PLL, a 10-bit ADC capable of high-rate sampling, output compare and input capture channels, and serial connectivity via I2C, SPI, and UART with IrDA and LINbus support. The -E extended temperature suffix qualifies the device for -40C to +125C operation, and per Microchip USA listings the device family carries AEC-Q100 qualification.
Architecturally, the dsPIC33F core includes a 16-bit ALU, DSP engine with 17x17 multiplier and 40-bit accumulator, and two address generation units. In-circuit programming and debugging are supported through the MPLAB X IDE with the MPLAB Snap or ICD 3 tools, using the ICSP/ICD pins.
Typical applications include industrial control panels, sensor signal conditioning with onboard digital filtering, utility metering, motor control interfaces, and general-purpose embedded systems that need DSP math without a separate DSP chip.
A key design consideration is supply voltage: the device operates from 3.0V to 3.6V, so a 3.3V regulator with adequate decoupling on all VDD pins is required, and MCLR should be pulled up with a 10 kOhm resistor for reliable ICSP programming.
This page synthesizes distributor pricing, drop-in alternatives, pinout data, and practical design notes not consolidated in the manufacturer datasheet.
直接替换替代料： DSPIC33FJ32GP101-E/SS ——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： DSPIC33FJ32GP101-E/SS （相同外形与封装尺寸） ——差异在于 Operating Temperature, Package, Core Architecture, Programming/Debug, Maximum CPU Speed.
快速对比工具——选择替代料号进行并排对比：
DSPIC33FJ32GP101-I/SS
✅ 直接替换📋 参考替代料（不在目录中）
DSPIC33FJ16GP101-E/SS
✅ 直接替换✓ 有现货
$2.3 / 个
查看数据手册 →DSPIC33FJ32GP102-E/SS
✅ 直接替换✓ 有现货
$2.05 / 个
查看数据手册 →DSPIC33FJ16GP102-E/SS
✅ 直接替换📋 参考替代料（不在目录中）
DSPIC33FJ32GP101-E/SS 最大额定值与电气特性
| Core Architecture | dsPIC33F 16-bit DSC |
| Performance | 16 MIPs |
| Program Memory (Flash) | 32KB (11K x 24) |
| SRAM | 2KB |
| Operating Voltage | 3.0 V to 3.6 V |
| 工作温度 | -40C to +125C (Extended, -E suffix) |
| 封装 | 28-SSOP (0.65 mm pitch) |
| 安装类型 | Surface Mount |
| Communication Interfaces | I2C, SPI, UART/USART, IrDA, LINbus |
| ADC Resolution | 10-bit |
| Timers | Output Compare / Input Capture channels |
| Qualification | AEC-Q100 (per Microchip USA product listing for family) |
| 数据总线宽度 | 16-bit |
| Programming/Debug | ICSP/ICD via MPLAB X IDE |
| Product Status | Obsolete (per Xecor listing) |
DSPIC33FJ32GP101-E/SS 引脚配置
| 引脚 1 | MCLR — Master clear reset / programming voltage input |
| 引脚 2 | AN0/VREF+/CN2/RB0 — Analog input 0 / positive voltage reference / port B0 |
| 引脚 3 | AN1/VREF-/CN3/RB1 — Analog input 1 / negative voltage reference / port B1 |
| 引脚 4 | AN2/SS1/CN4/RB2 — Analog input 2 / SPI slave select 1 / port B2 |
| 引脚 5 | AN3/INDX/CN5/RB3 — Analog input 3 / QEI index / port B3 |
| 引脚 6 | AN4/QEA/IC7/CN6/RB4 — Analog input 4 / QEI phase A / input capture 7 / port B4 |
| 引脚 7 | VDD — Positive supply (3.0 V to 3.6 V) |
| 引脚 8 | VSS — Ground reference |
| 引脚 9 | OSC1/CLKI/CN7/RA2 — Oscillator crystal input / external clock input / port A2 |
| 引脚 10 | OSC2/CLKO/ECMP2/RA3 — Oscillator crystal output / clock output / port A3 |
| 引脚 11 | VDD — Positive supply (3.0 V to 3.6 V) |
| 引脚 12 | VSS — Ground reference |
| 引脚 13 | SOSCI/CN1/RA4 — Secondary oscillator crystal input / port A4 |
| 引脚 14 | SOSCO/T1CK/CN0/RA3 — Secondary oscillator crystal output / Timer1 external clock / port A |
| 引脚 15 | VDD — Positive supply (3.0 V to 3.6 V) |
| 引脚 16 | VSS — Ground reference |
| 引脚 17 | PGD/EMUD1/U1TX/SDO1/CN9/RB8 — ICSP data / UART1 TX / SPI1 data out / port B8 |
| 引脚 18 | PGC/EMUC1/U1RX/SDI1/CN10/RB9 — ICSP clock / UART1 RX / SPI1 data in / port B9 |
| 引脚 19 | SDA/RP10/CN11/RB10 — I2C data / remappable peripheral pin / port B10 |
| 引脚 20 | SCL/RP11/CN12/RB11 — I2C clock / remappable peripheral pin / port B11 |
| 引脚 21 | OC1/IC1/RP14/CN13/RB12 — Output compare 1 / input capture 1 / remappable pin / port B12 |
| 引脚 22 | OC2/IC2/RP15/CN14/RB13 — Output compare 2 / input capture 2 / remappable pin / port B13 |
| 引脚 23 | OC3/IC3/RP16/CN15/RB14 — Output compare 3 / input capture 3 / remappable pin / port B14 |
| 引脚 24 | OC4/IC4/RP17/CN16/RB15 — Output compare 4 / input capture 4 / remappable pin / port B15 |
| 引脚 25 | AN5/QEB/IC8/CN17/RB5 — Analog input 5 / QEI phase B / input capture 8 / port B5 |
| 引脚 26 | AN6/OCA/CN18/RB6 — Analog input 6 / output compare A / port B6 |
| 引脚 27 | AN7/OCB/CN19/RB7 — Analog input 7 / output compare B / port B7 |
| 引脚 28 | AVDD/AVSS/ENVREG — Analog supply / analog ground / internal regulator enable (tie per datasheet) |
典型应用
DSPIC33FJ32GP101-E/SS 适用于 6 应用s: Industrial Control Panels, Sensor Signal Conditioning and Digital Filtering, Utility and Energy Metering Front Ends, LINbus Automotive Sub-Nodes, Portable and Battery-Powered Instruments, Motor Control Interface and Supervision.
Industrial Control Panels
The DSPIC33FJ32GP101-E/SS fits industrial panel controllers where 16 MIPs, 32KB of self-programmable Flash, and I2C/SPI/UART connectivity cover HMI, sensor polling, and actuator sequencing duties. Its -E extended rating of -40C to +125C tolerates the elevated internal temperatures typical of sealed industrial enclosures near power electronics. The DSP engine accelerates digital filtering of noisy analog sensor channels through the 10-bit ADC at high sample rates. Firmware updates in the field are simplified by self-write Flash capability, and the LINbus-capable UART links to factory bus nodes.
推荐
Sensor Signal Conditioning and Digital Filtering
With a 10-bit ADC, 16 MIPs core, and a DSP engine featuring a 17x17 multiplier and 40-bit accumulator, the DSPIC33FJ32GP101-E/SS can sample analog sensors and run FIR/IIR filters on-chip, removing the need for an external signal-processing stage. The GP (General Purpose) peripheral set, including input capture and output compare channels, supports frequency and duty-cycle measurement from flow, vibration, and proximity sensors. The extended temperature rating keeps calibration valid across outdoor and engine-bay environments, while 2KB SRAM holds filter histories for multiple channels simultaneously.
推荐
Utility and Energy Metering Front Ends
Metering applications benefit from the DSPIC33FJ32GP101-E/SS combination of a deterministic 16 MIPs pipeline for fixed-point energy computation and 32KB Flash for metrology firmware plus calibration tables. The 10-bit ADC with simultaneous sampling of voltage and current channels enables RMS and power-factor calculations; the 40-bit accumulator preserves precision through long accumulation windows. UART with IrDA support links to optical probe readout heads, and operation to +125C suits meter cabinets exposed to direct sunlight in hot climates.
推荐
LINbus Automotive Sub-Nodes
The DSPIC33FJ32GP101-E/SS is a natural LIN (Local Interconnect Network) sub-node: its UART supports LINbus framing directly, the part is AEC-Q100 qualified per Microchip USA family listings, and the -E/SS extended temperature rating matches automotive cabin and under-hood electronic control unit requirements. 32KB Flash stores protocol stacks plus application logic, while the 10-bit ADC reads potentiometer and NTC inputs for position and temperature sensing. LIN operation up to 19.2 kbaud is handled in hardware-assisted UART mode, keeping CPU headroom for the application.
推荐
Portable and Battery-Powered Instruments
Handheld instruments leverage the DSPIC33FJ32GP101-E/SS low-power modes (Idle and Doze) to stretch battery life between measurements while retaining 16 MIPs bursts for computation when awake. The 28-SSOP with 0.65 mm pitch keeps board area small for compact enclosures, and the integrated oscillator with PLL eliminates an external high-frequency crystal for clocking, reducing BOM cost. SPI and I2C interfaces connect displays, EEPROM, and precision converters, and the 3.0V to 3.6V supply range matches a single lithium cell behind an LDO.
推荐
Motor Control Interface and Supervision
For systems where a dedicated motor DSC handles power stages, the GP-focused DSPIC33FJ32GP101-E/SS serves as a supervision and interface controller: it reads encoders via input capture, computes fault diagnostics with the DSP engine, and communicates status over UART/I2C to supervisory PLCs. Output compare channels generate reference signals, and the extended temperature rating tolerates drive-cabinet heat. Quadrature Encoder Interface signals (QEA/QEB functions on RB4/RB5-class pins) permit direct encoder hookup, and 32KB Flash accommodates protocol stacks and fault logs.
推荐
推荐产品汇总
工程参考数据： DSPIC33FJ32GP101-E/SS ——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 | DSPIC33FJ32GP101-I/SS | DSPIC33FJ16GP101-E/SS | DSPIC33FJ32GP102-E/SS | DSPIC33FJ16GP102-E/SS |
|---|---|---|---|---|---|
| Package | 28-SSOP | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Performance | 16 MIPs | 16 MIPs | 16 MIPs | 16 MIPs | 16 MIPs |
| Flash Memory | 32KB (11K x 24) | 32KB | 16KB (-50%) | 32KB | 16KB (-50%) |
| SRAM | 2KB | 2KB | 2KB | 2KB | 2KB |
| Temperature Range | -40C to +125C | -40C to +85C | -40C to +125C | -40C to +125C | -40C to +125C |
| CTMU Peripheral | No | No | No | Yes | Yes |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
关键差异点
- Extended -40C to +125C automotive-grade operation （对比 DSPIC33FJ32GP101-I/SS)
- Full 32KB Flash for larger protocol stacks （对比 DSPIC33FJ16GP101-E/SS)
- Lowest-complexity GP peripheral set （对比 DSPIC33FJ32GP102-E/SS)
设计说明
The dsPIC33FJ32GP101 operates from a single 3.0V to 3.6V rail. The device includes an on-chip 1.8V core regulator controlled by ENVREG; consult the datasheet for the correct tie-off of pin 28, and place the recommended low-ESR capacitor on the regulator output when ENVREG is enabled. Decouple every VDD pin (pins 7, 11, and 15 on the 28-SSOP) with a 0.1uF ceramic capacitor placed within 3 mm of the pin, plus a single 10uF bulk capacitor near the supply entry. Brown-out detection should be enabled in configuration bits for reliable operation.
The 28-SSOP 0.65 mm pitch footprint requires careful stencil design: use a 0.1 mm laser-cut stainless stencil with 50-70% aperture reduction on lead tips to avoid solder bridging. Route the ICSP programming signals (MCLR on pin 1, PGD/PGC on pins 17/18) as a short header accessible after final assembly - Microchip's MPLAB Snap debugger expects direct access. Keep the analog inputs (AN0-AN7) away from the oscillator traces, and provide a solid ground plane under the chip.
This part is obsolete: design new products on the dsPIC33EP or dsPIC33C families instead, since the dsPIC33FJ device is no longer recommended for new designs and lead times come from residual stock. Firmware compiled for dsPIC33F will not run unmodified on dsPIC33EP cores due to register map and configuration-word changes - budget migration time. Also verify the peripheral pin select mapping: several pin functions on this family are remappable and defaults differ from PIC24 predecessors.
合规信息
AEC-Q100 qualification stated in Microchip USA product listing for the DSPIC33FJ32GP101-E family. RoHS/REACH/lead-free status not stated in retrieved data - verify via Microchip environmental compliance documentation.
