DSPIC33FJ64GP204T-I/PT - 16-bit 40 MIPS DSC, 64KB Flash | Microchip
料号： DSPIC33FJ64GP204T-I/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $6.12 | $6.12 |
| 10 | $5.58 | $55.80 |
| 100 | $4.96 | $496.00 |
| 500 | $4.52 | $2,260.00 |
| 1,000 | $4.1 | $4,100.00 |
DSPIC33FJ64GP204T-I/PT 概述
A digital signal controller combines the computational power of a digital signal processor with the peripheral integration and control-oriented architecture of a microcontroller. Within the power-management hierarchy of embedded systems, the DSC sits between a general-purpose MCU and a dedicated DSP, making the dsPIC33F family a popular choice for real-time closed-loop control and digital signal processing in a single chip.
Key features of the DSPIC33FJ64GP204T-I/PT include a 16-bit modified Harvard architecture core with DSP engine (barrel shifter, 40-bit wide accumulators, single-cycle MAC), 40 MIPS maximum execution speed at 3.0V to 3.6V supply, 8-channel DMA for offloading data movement from the CPU, 7 timers, and 3 serial I/O ports. The GP (General Purpose) variant includes advanced analog peripherals and audio-capable serial interfaces suited to motor control, sensing, and audio processing.
Architecturally, the dsPIC33F core executes most instructions in a single cycle and supports DSP-class instructions such as multiply-accumulate, modulo addressing, and bit-reversed addressing for FFT algorithms. The device also integrates boundary scan (JTAG-style debug via ICSP/ICD) and 3 external interrupt sources, enabling deterministic response in control loops. Per the Microchip dsPIC33FJ64GPX04 family datasheet (436 pages, dsPIC33FJ32GP302/304 through dsPIC33FJ128GPX04), the family is designed to execute digital filter algorithms and high-speed precision digital control loops.
Typical applications include sensor signal processing, digital power conversion, motor control, audio processing, and general-purpose embedded control where DSP throughput is required without a separate DSP chip. The 44-TQFP (10x10) package offers 35 general-purpose I/O lines for peripheral expansion.
When designing with this device, verify that the 3.0V to 3.6V supply window is met and that flash erase/write endurance and the industrial temperature rating (-40C to +85C, the I suffix) match your application environment; the E-suffix variant extends to +125C for harsher conditions.
This page synthesizes distributor pricing, drop-in family alternatives, design notes, and application guidance not consolidated in the manufacturer datasheet.
直接替换替代料： DSPIC33FJ64GP204T-I/PT ——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： DSPIC33FJ64GP204T-I/PT （相同外形与封装尺寸） ——差异在于 Core Architecture, Package, Supply Voltage, Operating Temperature, Operating Temperature Range.
快速对比工具——选择替代料号进行并排对比：
DSPIC33FJ64GP204-I/PT
✅ 直接替换✓ 有现货
$4.63 / 个
查看数据手册 →DSPIC33FJ64GP204T-E/PT
✅ 直接替换📋 参考替代料（不在目录中）
DSPIC33FJ64GP204T-H/PT
✅ 直接替换📋 参考替代料（不在目录中）
DSPIC33FJ128GP204-I/PT
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$4.61 / 个
查看数据手册 →DSPIC33FJ32GP204-I/PT
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$3.78 / 个
查看数据手册 →DSPIC33FJ64MC204-I/PT
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$4.75 / 个
查看数据手册 →DSPIC33FJ64GP204T-I/PT 最大额定值与电气特性
| Core Architecture | 16-bit dsPIC33F DSC (modified Harvard) |
| Maximum Execution Speed | 40 MIPS |
| Program Memory | 64KB (64K x 8) Flash |
| SRAM | 8KB |
| 电源电压 | 3.0 V to 3.6 V |
| DMA Channels | 8 |
| Timers | 7 |
| Serial I/O Ports | 3 |
| External Interrupt Sources | 3 |
| 封装 | 44-TQFP (10x10 mm) |
| 安装类型 | Surface Mount |
| 工作温度 | -40C to +85C (Industrial, I suffix) |
| Core Type | CMOS, 40 MHz max clock |
| DSP Features | Barrel shifter, DSP engine, single-cycle MAC |
| Debug / Scan | Boundary scan, ICSP/ICD programming |
| RoHS 状态 | ROHS3 Compliant |
| Packaging Modifier | T = Tape and Reel |
DSPIC33FJ64GP204T-I/PT 44-tqfp (10x10 mm) 引脚配置指南
DSPIC33FJ64GP204T-I/PT（44-tqfp (10x10 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： DSPIC33FJ64GP204T-I/PT.
请参阅 数据手册 以查看完整引脚配置。
典型应用
DSPIC33FJ64GP204T-I/PT 适用于 6 应用s: Digital Power Conversion, Sensor Signal Processing, Audio Processing, Industrial Control and Automation, Embedded Control Retrofits and Legacy Maintenance, Portable and Battery-Powered Instruments.
Digital Power Conversion
The DSPIC33FJ64GP204T-I/PT suits digital power supplies, PFC stages, and DC-DC converters that demand deterministic high-speed control loops. Its 40 MIPS core executes proportional-integral and predictive control loops at switching frequencies well into the hundreds of kilohertz, while the DSP engine's single-cycle MAC accelerates filter computations on sampled current and voltage feedback. The 8 DMA channels move ADC results to RAM without CPU intervention, preserving loop timing headroom. Placed as the sole supervisory controller, it replaces analog control circuitry and adds programmability, fault logging, and communication. Designers should budget the 3.0V to 3.6V supply from a small auxiliary regulator and verify PWM dead-time resolution against datasheet timing tables.
推荐
Sensor Signal Processing
In sensor front-end systems - load cells, pressure transducers, microphones, and industrial probes - the DSPIC33FJ64GP204T-I/PT combines analog acquisition with onboard DSP math in one 44-TQFP chip. The 40 MIPS core applies FIR and IIR filtering, baseline correction, and RMS computation to raw samples, while 8 DMA channels stream conversion results continuously into the 8KB SRAM. This eliminates a separate DSP or FPGA that would otherwise be required for real-time filtering. The 3 external interrupt sources enable event-triggered sampling, and the 3 serial ports forward processed results to a host. The industrial -40C to +85C rating supports deployment on factory floors and outdoor instrumentation enclosures.
推荐
Audio Processing
The GP (General Purpose) variant of the dsPIC33F family includes audio-capable serial interfaces, making the DSPIC33FJ64GP204T-I/PT a fit for effects units, active crossovers, voice-band codecs, and analysis tools. At 40 MIPS, the core executes biquad filter chains, FFT-based spectrum analysis, and sample-rate conversion in real time, with the barrel shifter and modulo addressing optimizing circular audio buffers. DMA offloads codec data transfers so the CPU sustains full algorithm throughput at 48 kHz stereo. The 3.0V to 3.6V supply matches common audio board rails, and the 10x10 mm TQFP keeps the controller footprint small on dense audio PCBs.
推荐
Industrial Control and Automation
On factory automation equipment, HVAC controllers, and process instrumentation, the DSPIC33FJ64GP204T-I/PT provides 40 MIPS of 16-bit control throughput with 7 timers for scheduling and PWM generation and 3 serial I/O ports for RS-485/Modbus-class links. The industrial temperature rating (-40C to +85C) and ROHS3 compliance ease certification in commercial-industrial products. Boundary scan support simplifies production-line test via ICSP/ICD, and the 44-TQFP (10x10) provides enough I/O for keypad, display, and actuator interfacing. The 8-channel DMA keeps communication servicing from jittering time-critical control loops - a common failure mode in interrupt-driven MCU designs.
推荐
Embedded Control Retrofits and Legacy Maintenance
Because the dsPIC33FJ64GPX04 family remains active and widely stocked (DigiKey ships same day; 8 distributors listed on Octopart), the DSPIC33FJ64GP204T-I/PT is a practical processor for maintaining or redesigning legacy control boards originally built around 16-bit DSCs. The 64KB flash typically accommodates expanded firmware features, and the pin-compatible 128KB variant offers a no-PCB-change upgrade path. Engineers performing end-of-life redesigns can reuse the same footprint across 32KB, 64KB, and 128KB family members, protecting the layout investment while scaling memory. The tape-and-reel format supports automated reassembly lines for production runs of retrofitted boards.
推荐
Portable and Battery-Powered Instruments
Handheld measurement tools, dataloggers, and battery-powered analyzers benefit from the DSPIC33FJ64GP204T-I/PT's single-chip integration: 40 MIPS processing, 7 timers, 3 serial ports, and DMA in a 10x10 mm TQFP reduces board area and component count, directly lowering cost and battery drain versus multi-chip DSP+MCU solutions. The 3.0V to 3.6V supply operates directly from a single-cell boost or 3.3V LDO rail. Low-power management modes let the controller sleep between measurements, and wake-up via the external interrupt sources supports event-driven logging. The industrial temperature grade covers cold-chain and outdoor handheld use cases where consumer-grade parts would fail.
推荐
推荐产品汇总
工程参考数据： DSPIC33FJ64GP204T-I/PT ——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 | DSPIC33FJ64GP204-I/PT | DSPIC33FJ32GP204-I/PT | DSPIC33FJ128GP204-I/PT | DSPIC33FJ64MC204-I/PT |
|---|---|---|---|---|---|
| Package | 44-TQFP (10x10) | 44-TQFP (10x10) - same | 44-TQFP (10x10) - same | 44-TQFP (10x10) - same | 44-TQFP (10x10) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Program Flash | 64 KB | 64 KB | 32 KB | 128 KB | 64 KB |
| SRAM | 8 KB | 8 KB | 8 KB | 16 KB | 8 KB |
| DMA Channels | 8 | 8 | 8 | 8 | 8 |
| Operating Temperature | -40C to +85C (I grade) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Peripheral Focus | General Purpose (GP) | General Purpose (GP) | General Purpose (GP) | General Purpose (GP) | Motor Control (MC) |
关键差异点
- General Purpose peripheral set with advanced analog （对比 DSPIC33FJ64MC204-I/PT)
- Extended temperature upgrade path on the same footprint （对比 DSPIC33FJ64GP204T-E/PT)
- Pin-compatible flash scaling within the family （对比 DSPIC33FJ128GP204-I/PT)
- Trade-off: smaller memory at lower cost （对比 DSPIC33FJ32GP204-I/PT)
设计说明
The DSPIC33FJ64GP204T-I/PT requires a tightly regulated 3.0V to 3.6V rail. Place 100 nF ceramic decoupling capacitors at every VDD/VSS pin pair, plus 4.7 uF to 10 uF bulk near the chip. Exceeding 3.6V risks permanent core damage, so use an LDO with tight tolerance rather than a loosely regulated 3.3V rail from a switching converter. For flash write operations, verify the supply stays within the datasheet voltage required for self-timed writes; brown-out reset configuration should be enabled to prevent corrupted flash during supply dips.
On the 44-TQFP (10x10) footprint, connect all power and ground pins and use a solid ground plane on layer 2. Keep the crystal/oscillator loop as short as possible with guard ground, since the 40 MIPS core is sensitive to clock integrity. Route analog inputs away from PWM and serial switching lines; the GP variant's advanced analog peripherals require a clean reference. Follow the Microchip family datasheet PCB layout guidelines and use the standard 0.5 mm pitch TQFP land pattern per IPC-7351 recommendations.
Do not confuse the T (tape and reel), I (industrial -40C to +85C), and E (extended -40C to +125C) suffixes when ordering - the E grade costs more but is mandatory above 85C ambient. Another common pitfall: the 8 DMA channels must be mapped to correct peripheral request sources during initialization, otherwise transfers silently never trigger. Finally, verify your compiled application fits the 64KB flash with headroom; if it does not, the pin-compatible DSPIC33FJ128GP204-I/PT doubles memory with no PCB change.
Estimated: the dsPIC33FJ64GP204 at 40 MIPS draws on the order of tens of milliamps from a 3.3V rail (tens to low hundreds of milliwatts), so the 44-TQFP package with standard copper pours keeps junction temperature well within the -40C to +85C rating without a heatsink. Confirm against the family datasheet current-consumption tables for your actual clock configuration, since peripherally gated operation can cut active current substantially.
合规信息
ROHS3 Compliant per distributor listing (mcu-supplier.com). REACH, halogen-free, and conflict-minerals status not stated in provided data.
