MC56F8025MLD - 16-Bit DSC 32MHz 32KB Flash 44-LQFP | NXP
料号： MC56F8025MLD ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $2.35 | $2.35 |
| 10 | $2.12 | $21.20 |
| 100 | $1.85 | $185.00 |
| 500 | $1.58 | $790.00 |
| 1,000 | $1.15 | $1,150.00 |
MC56F8025MLD 概述
A digital signal controller combines the computation throughput of a digital signal processor with the programming model, interrupt structure, and peripherals of a microcontroller. In the embedded hierarchy, the MC56F8025MLD sits between general-purpose MCUs and dedicated DSPs: it is a member of the NXP 56F8xxx DSC family, which in turn belongs to the broader category of embedded microcontroller ICs for real-time control.
Key features include the dual Harvard-style 56800E architecture with three parallel execution units capable of up to six operations per instruction cycle, 32KB of flash memory supporting in-circuit reprogramming, and connectivity peripherals including I2C, LINbus, SCI, and SPI. The part operates over an industrial temperature range and uses gull-wing terminals on a square LQFP body.
Technically, the 56800E core executes an MCU-style, C-compiler-friendly instruction set while providing DSP instructions such as single-cycle MAC, hardware loop instructions, and bit-manipulation capability. This allows a single device to run both the control loop (PID, state machines) and signal-processing tasks (filtering, transforms) without a second processor, reducing board area and BOM cost in motor and power-conversion designs.
Typical applications include digital power supplies and power factor correction, BLDC/PMSM and stepper motor control, AC induction motor drives, uninterruptible power supplies, and industrial appliances requiring fast closed-loop control.
Design consideration: budget flash and RAM carefully - at 32KB/4KB the device targets compact control loops, and C code with heavy DSP libraries can exhaust memory quickly; enable compiler optimization and consider fixed-point math.
This page synthesizes distributor pricing, availability, alternatives, and practical design notes not found in the manufacturer datasheet, with data verified as of 2026-10-18.
直接替换替代料： MC56F8025MLD ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
MC56F8023MLD
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MC56F8025MLD 规格参数
| Core Processor | 56800E |
| Core Size | 16-Bit |
| Maximum Clock Speed | 32 MHz |
| Program Memory Size | 32KB (16K x 16) Flash |
| RAM Size | 4KB (2K x 16) |
| Number of I/O | 35 |
| Connectivity | I2C, LINbus, SCI, SPI |
| 封装 / 外壳 | 44-LQFP (10 x 10 mm) |
| Terminal Form | Gull Wing |
| Package Shape | Square |
| 安装类型 | Surface Mount |
| Number of Terminals | 44 |
| Temperature Grade | Industrial |
| Series | 56F8xxx (56800E) |
| Architecture | Dual Harvard-style, three parallel execution units |
| Operations Per Cycle | Up to 6 |
MC56F8025MLD square 引脚配置指南
MC56F8025MLD（square 封装）的引脚配置。 引脚编号、功能和连接图在制造商数据手册中定义。请参阅该手册以了解确切的封装尺寸和焊接指南。
暂无详细引脚数据： MC56F8025MLD.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MC56F8025MLD 适用于 6 应用s: Digital Power Supplies and PFC, BLDC and PMSM Motor Control, AC Induction Motor Drives, Uninterruptible Power Supplies (UPS), Industrial Appliance Control, Embedded DSP Signal Processing.
Digital Power Supplies and PFC
The MC56F8025MLD fits digital switch-mode power supplies and power factor correction stages because its 56800E core executes single-cycle MAC instructions at 32 MHz, giving the loop bandwidth needed for current-mode control in boost PFC and LLC topologies. In a typical design the DSC generates PWM with high resolution, samples voltage and current via its on-chip ADC, and closes both inner current and outer voltage loops in firmware, replacing analog compensation networks. Using 16-bit fixed-point math, the control law fits comfortably in the 32KB flash. The benefit is adaptive compensation across line and load conditions and easier digital diagnostics compared with analog controllers.
推荐
BLDC and PMSM Motor Control
Sensorless field-oriented control (FOC) of brushless DC and permanent-magnet synchronous motors is a core use case for the MC56F8025MLD. The 56800E's dual Harvard architecture performs the Clarke/Park transforms, PI current loops, and speed loop at 32 MHz with cycle-efficient fixed-point arithmetic, while the 35 GPIO lines drive a three-phase inverter via PWM outputs. The 32KB flash holds the complete FOC stack including start-up and fault protection routines, and LINbus/SCI connectivity supports host communication in appliance and pump systems. The single-chip approach eliminates external DSP or analog control ICs, reducing board area and system cost.
推荐
AC Induction Motor Drives
For AC induction drives in fans, compressors, and industrial pumps, the MC56F8025MLD implements V/Hz and sensorless vector control. The 56800E core's hardware loop instructions keep the PWM update and current-sampling loops deterministic, and its C-efficient instruction set lets the full control firmware be written in C, shortening development time. The 4KB (2K x 16) RAM holds state variables for flux observers without external memory, and the industrial temperature grade suits enclosure-mounted drives. Quantitatively, a 32 MHz core running a 10 kHz PWM loop retains hundreds of cycles per period for the control math, giving stable torque response with adequate margin for protection routines.
推荐
Uninterruptible Power Supplies (UPS)
In line-interactive and double-conversion UPS systems, the MC56F8025MLD controls the inverter bridge, battery charger, and transfer switch logic from a single chip. The 56800E's six-operations-per-cycle throughput supports the multiple simultaneous loops (output voltage, battery current, phase synchronization) required in UPS firmware, while the 32KB flash stores state machines for mains-fail detection and safe shutdown. SCI and I2C interfaces report status to a front-panel controller or network card. The industrial temperature grade accommodates the elevated ambient temperatures typical of power electronics enclosures, and fixed-point DSP capability enables precise sine-wave generation with low total harmonic distortion.
推荐
Industrial Appliance Control
High-end appliances - dishwashers, washing machines, refrigeration compressors - use the MC56F8025MLD to run variable-speed motor drives with integrated housekeeping logic. One DSC handles the motor FOC loop, user-interface I/O via its 35 GPIO lines, and LINbus communication to the main appliance controller, consolidating what previously required separate motor-control and application MCUs. The 32 MHz core with hardware MAC maintains sensorless motor operation across load transients, while C programmability shortens firmware iteration for different appliance models. The 44-LQFP's 10 x 10 mm footprint fits the compact control boards typical of appliance electronics, reducing PCB cost in high-volume production.
推荐
Embedded DSP Signal Processing
The MC56F8025MLD serves as a compact embedded DSP for filtering, spectral analysis, and sensor signal conditioning in industrial instruments. The 56800E instruction set includes DSP primitives - single-cycle MAC, modulo addressing, hardware do-loops - so FIR/IIR filters and FFTs run efficiently at 32 MHz without an external DSP device. The 16-bit data path matches ADC/DAC word widths common in industrial sensing, and SCI/SPI/I2C links move results to a host. With 32KB flash and 4KB RAM, the device typically supports a moderate filter bank plus communication stack; designs needing larger transform sizes should step up to higher-memory 56F8xxx parts, but for focused, single-channel processing the MLD variant minimizes cost and board space.
推荐
推荐产品汇总
工程参考数据： MC56F8025MLD ——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 | MC56F8023MLD |
|---|---|---|
| Package | 44-LQFP (10 x 10 mm) | 44-LQFP (10 x 10 mm) - same, verify pinout |
| Brand | NXP Semiconductors | NXP Semiconductors |
| Core | 56800E 16-bit | 56800E 16-bit |
| Max Clock Speed | 32 MHz | 32 MHz |
| Connectivity | I2C, LINbus, SCI, SPI | I2C, LINbus, SCI, SPI (same peripheral set) |
关键差异点
- DSP MAC throughput in an MCU programming model （对比 MC56F8023MLD)
- Six operations per instruction cycle via parallel execution units （对比 MC56F8023MLD)
- Single-chip consolidation of control and communication （对比 Generic Cortex-M0 MCU)
设计说明
Memory budgeting is the top pitfall on the 32KB/4KB MC56F8025MLD. DSP-oriented C code with large constant tables (sine LUTs, PI gain tables) can silently overflow the 2K x 16 word RAM because the word-oriented memory differs from byte-addressed ARM parts. Enable compiler size optimization (-Os), place constant tables in flash, and review the linker map early in the project. If your control algorithm needs more than roughly 1.5K words of variables plus stack, move to a higher-memory 56F8xxx member rather than fighting the linker.
Lay out the 44-LQFP with a solid ground plane on layer 2 and place 100 nF ceramic decoupling capacitors at each pair of VDD/VSS pins within 2 mm of the package, plus one 4.7 uF bulk capacitor near the supply entry. Keep the PWM output traces to the gate drivers short and away from analog feedback sense lines to prevent switching noise coupling into the ADC inputs. Because the part mixes DSP-speed digital edges with analog measurement, guard any current-sense traces with ground returns referenced directly to the DSC ground pin.
When using the on-chip ADC for motor current sampling, synchronize sampling to the PWM center (mid-PWM trigger) so current is measured with switching transients settled - this is the standard pattern in NXP's 56F8xxx motor-control reference software. Configure SCI/LINbus lines with appropriate series termination for cable runs to avoid reflections on longer appliance harnesses. Unused GPIO should be configured as outputs driving low or inputs with internal pull-ups to prevent floating-node EMI susceptibility in industrial environments.
合规信息
Compliance certificates for this exact MPN were not present in the captured data. Verify on the NXP product page or distributor certificate portal; current-production NXP 56F8xxx parts are generally RoHS-compliant.
