MC56F8345MFGE - 16-bit DSC 56800E 60MHz 128KB Flash | NXP
MPN： MC56F8345MFGE ✗ 停產MC56F8345MFGE 概覽
A digital signal controller is a hybrid processor class that sits between a general-purpose microcontroller (MCU) and a dedicated digital signal processor (DSP). DSCs such as the 56800E-family parts execute multiply-accumulate (MAC)-intensive DSP algorithms while retaining MCU-style peripherals, interrupt handling, and C-code programmability, making them the natural choice at the top of the embedded control hierarchy for real-time closed-loop systems.
Key features of the MC56F8345MFGE include the 16-bit 56800E hybrid core with dual Harvard architecture for parallel instruction and data fetch, 128KB Flash program memory and on-chip RAM, a 12-bit analog-to-digital converter supporting simultaneous motor-control feedback sampling, and multiple pulse-width modulation (PWM) outputs purpose-built for inverter and power-conversion control. Its automotive-relevant temperature grade and gull-wing LQFP terminations support reliable surface-mount assembly.
Technically, the 56800E core achieves single-cycle 16 x 16 MAC operations and executes DSP-style bit-manipulation instructions, allowing one controller to run field-oriented motor control loops alongside housekeeping tasks. Program Flash is executable in place, and the peripheral set (PWM, ADC, timers, serial interfaces) is tightly coupled to the core for low-latency control interrupts.
Typical applications include three-phase brushless DC (BLDC) and permanent-magnet synchronous motor (PMSM) drives, industrial power conversion (inverters, converters, UPS), and digital power supplies where fast deterministic control loops at 60 MHz are essential.
When designing with this device, verify availability early: NXP lists this part as NRND (Not Recommended for New Designs), so new projects should evaluate the recommended successor family, and existing designs should secure last-time-buy inventory.
This page synthesizes distributor pricing context, drop-in alternatives, and practical design guidance not found in the manufacturer datasheet.
直接替換替代品，適用於 MC56F8345MFGE — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： MC56F8345MFGE （相同外形與佔位） — 差異在於 RoHS Status, ADC, Communication Interfaces, Core Architecture, Operating Temperature.
MC56F8345VFGE
✅ 直接替換📋 參考替代品（不在目錄中）
MC56F8347VVFE
✅ 直接替換聯絡詢價
查看資料表 →MC56F8346MFGE
✅ 直接替換📋 參考替代品（不在目錄中）
MC56F8355MFGE
✅ 直接替換聯絡詢價
查看資料表 →MC56F8357VVFE
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →MC56F8345MFGE 規格
| Core Processor | 56800E (16-bit DSC) |
| Core Size | 16-bit |
| 最大時脈頻率 | 60 MHz |
| Program Memory Size | 128KB (64K x 16) Flash |
| Program Memory Type | Flash |
| Product Series | 56F8xxx (56800E) |
| ADC Resolution | 12 bit |
| Package Type | 128-LQFP (14 x 20 mm) |
| Number of Terminals | 128 |
| Terminal Form | Gull Wing |
| Package Code | LFQFP |
| 安裝類型 | Surface Mount |
| Temperature Grade | Automotive |
| RoHS 狀態 | Compliant (per NXP product page) |
| 生命週期狀態 | NRND (Not Recommended for New Designs) |
MC56F8345MFGE lfqfp 腳位配置指南
MC56F8345MFGE（lfqfp 封裝）的腳位配置。 腳位編號、功能與連接圖定義於製造商資料手冊中。請參閱該手冊以取得確切的封裝尺寸與焊接指引。
無詳細腳位定義資料： MC56F8345MFGE.
請參閱 資料表 以查看完整腳位配置。
典型應用
MC56F8345MFGE 適用於 6 應用s: BLDC/PMSM Motor Control, Industrial Power Conversion (Inverters and UPS), Digital Power Supplies (SMPS/Server PSU), Automotive Motor and Solenoid Control, Embedded DSP Signal Processing, Factory Automation and Robotics Drives.
BLDC/PMSM Motor Control
The MC56F8345MFGE fits three-phase BLDC and PMSM drives because its 56800E core executes single-cycle 16 x 16 MAC instructions at 60 MHz, giving enough headroom to run field-oriented-control (FOC) inner current loops at switching frequencies of 16-20 kHz with deterministic latency. The dedicated PWM module generates complementary, dead-time-inserted gate signals directly, while the integrated 12-bit ADC samples phase currents and the DC bus for feedback. Used as the central controller between current-sense shunts and the three-phase inverter gate drivers, it closes torque loops in software, eliminating external DSPs. The trade-off versus newer DSCs is the NRND status, which limits design-ins to sustaining projects.
推薦
Industrial Power Conversion (Inverters and UPS)
In industrial inverters, solar converters, and UPS systems, the MC56F8345MFGE serves as the digital control core executing voltage/current regulation loops at 60 MHz. The 128KB (64K x 16) Flash accommodates control firmware plus compensation tables and fault-management routines executed in place, and the 12-bit ADC digitizes sensed bus and output voltages with the resolution needed for tight regulation. Its 16-bit architecture handles Parks/Clarke transforms and PI compensation with single-cycle MAC throughput. Placed between feedback conditioning circuitry and gate-driver inputs, the controller implements grid-tie or standalone inverter control in a single chip; its automotive temperature grade supports industrial environments.
推薦
Digital Power Supplies (SMPS/Server PSU)
The MC56F8345MFGE suits digitally controlled switching power supplies, where the 56800E core's fast interrupt response closes voltage-mode or current-mode loops in software at hundreds of kilohertz of effective bandwidth. The PWM peripherals support phase-shifted and complementary topologies with hardware dead time, and the 12-bit ADC provides the feedback resolution required for 1% load regulation. With 128KB Flash, designers can store nonlinearity compensation, hot-swap, and PMBus-style housekeeping code in the same controller. Deployed between an output-voltage sense divider and the power-stage driver, it replaces analog compensation networks and enables firmware-tunable transient response in server and telecom power stages.
推薦
Automotive Motor and Solenoid Control
With an automotive temperature grade per distributor data (Partstack lists Temperature Grade: AUTOMOTIVE), the MC56F8345MFGE targets automotive actuators such as pumps, fans, throttle bodies, and solenoid drivers. The 60 MHz 56800E core delivers the deterministic arithmetic for current-control loops, while the 12-bit ADC reads position/current feedback and the PWM block drives H-bridge or low-side drivers with precise duty and dead time. Its 128-lead LQFP gull-wing package supports standard automotive surface-mount assembly. Because the part is NRND, it is appropriate for service and continuation builds of existing automotive platforms rather than new platform design-ins; successor-family parts should be evaluated for new programs.
推薦
Embedded DSP Signal Processing
Beyond motor control, the MC56F8345MFGE functions as a compact embedded DSP: the 56800E architecture performs single-cycle multiply-accumulate, bit-reversed addressing, and saturation arithmetic suited to digital filtering, FFT-based analysis, and adaptive control in cost-sensitive products. The 128KB (64K x 16) Flash executes algorithms in place without external memory, and 60 MHz core speed provides roughly 60 MMACS of sustained throughput. Used at the front of a signal chain - after an amplifier and before power or communication outputs - it condenses what previously required a separate DSP and MCU into one 128-LQFP device, reducing BOM count in audio, sensing, and industrial instrumentation designs.
推薦
Factory Automation and Robotics Drives
In factory automation, the MC56F8345MFGE drives servo axes, conveyor motors, and robotic joint motors, where its 60 MHz 56800E core runs cascaded position/velocity/current loops and the 12-bit ADC processes encoder or resolver-derived feedback. The peripheral set couples tightly to the core so commutation interrupts execute with low jitter - a prerequisite for smooth multi-axis motion. The 128KB Flash stores trajectory planning and fieldbus-slice firmware in place. Integrated between motion-network interface circuitry and inverter gate drivers, the DSC lets one chip close all three nested control loops per axis; its gull-wing LQFP package suits high-volume SMT production typical of automation hardware.
推薦
推薦產品摘要
工程參考資料，適用於 MC56F8345MFGE — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | MC56F8345VFGE | MC56F8347VVFE | MC56F8346MFGE | MC56F8355MFGE | MC56F8357VVFE |
|---|---|---|---|---|---|---|
| Package | 128-LQFP (14x20 mm) | 128-LQFP (14x20 mm) - same | 128-LQFP (14x20 mm) - same | 128-LQFP (14x20 mm) - same | 128-LQFP (14x20 mm) - same | 128-LQFP (14x20 mm) - same |
| Brand | NXP Semiconductors (Freescale legacy) | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core / Architecture | 56800E 16-bit DSC | 56800E 16-bit DSC | 56800E 16-bit DSC | 56800E 16-bit DSC | 56800E 16-bit DSC | 56800E 16-bit DSC |
| Package Suffix / Construction | MFGE (matte-tin LQFP) | VFGE (alternative lead finish) | VVFE | MFGE | MFGE | VVFE |
| Primary Application Fit | Motor control, power conversion | Identical (same die) | Motor control, larger firmware footprint | Higher-performance motor control | Higher-performance motor control / DSP | Higher-performance motor control / DSP |
主要差異化特點
- Larger on-chip Flash for complex control firmware (對比MC56F8345VFGE)
- Same footprint with more program memory (對比MC56F8355MFGE)
- Cost-effective 128-pin pin-matched upgrade path (對比MC56F8347VVFE)
設計說明
The most important planning consideration is lifecycle risk: NXP lists MC56F8345MFGE as NRND. Before committing any new board revision, check the NXP product page for the latest Product Change Notice and confirm authorized or aftermarket (e.g., Rochester Electronics) stock depth. If your firmware exceeds 128KB Flash, plan a same-family migration to MC56F8347 or the 56F835X family early rather than at end-of-life. Secure a last-time-buy buffer sized to your product's remaining service life plus warranty exposure.
Estimated: the 128-LQFP 56800E DSC requires clean core and I/O supply decoupling - place 0.1 uF ceramic capacitors at each supply pin pair plus one bulk 10 uF capacitor near the device, per the 56F8345 datasheet power section. Because the ADC resolution (12 bit) directly determines current-loop accuracy in motor drives, separate analog supply feeding from digital switching rails with a ferrite bead and route the ADC reference ground as a quiet star point. Exact supply voltage ranges must be confirmed in the datasheet electrical characteristics table before layout sign-off.
The 128-lead LQFP (14 x 20 mm, 0.5 mm pitch gull-wing) demands careful fan-out: keep PWM outputs short and symmetric to the three-phase gate drivers to minimize dead-time mismatch, and route high-current inverter paths away from ADC sense lines. For assembly, specify an LQFP 128 footprint with solder paste apertures reduced about 10% on outer leads to prevent bridging at 0.5 mm pitch. Verify the package-outline drawing in the 56F8345/56F8145 technical data sheet for land-pattern dimensions rather than copying a generic LQFP-128 footprint.
合規資訊
NXP product page lists Environmental/Quality documentation for this part; RoHS compliance indicated on NXP product page. AEC-Q100 qualification not explicitly stated in provided data - the automotive temperature grade is reported by distributor data but formal AEC-Q100 status must be confirmed via NXP qualification reports.
