MC56F8245VLD - 16-Bit 60MHz DSC, 48KB Flash, 44-LQFP | NXP
MPN: MC56F8245VLD ⚠ רכישה אחרונהMC56F8245VLD סקירה
What is a Digital Signal Controller (DSC)? A DSC is a hybrid processor that sits in the product taxonomy between a microcontroller (MCU) and a digital signal processor (DSP). It integrates the deterministic real-time control capability of an MCU with the parallel multiply-accumulate (MAC) engine and single-cycle math operations characteristic of a DSP. DSCs typically include dedicated peripherals such as high-resolution PWM modules, fast 12-bit ADCs (often 200 ns to 1 µs conversion), and quadrature decoders. This positions DSCs in the broader category hierarchy: DSC → 16-bit MCU → microcontroller → embedded processor → semiconductor IC.
Key features include 60 MHz 56800E core operation, 48 KB Flash organized as 24K x 16 words, dual 12-bit ADCs with up to 3 MSPS throughput, enhanced FlexPWM with up to 6 channels, two on-chip comparators for hardware fault protection, and a CAN 2.0 A/B controller. The operating voltage range of 3.0V to 3.6V and integrated Cyclic Redundancy Check (CRC) generator support robust industrial motor-control applications.
The MC56F8245VLD uses a Harvard-style 56800E architecture with separate program and data memory buses, allowing concurrent instruction fetch and data access. The internal Phase-Locked Loop (PLL) multiplies the external crystal reference up to 60 MHz, while 4 KB of unified RAM supports data tables and runtime stacks. The peripheral set includes two SCI/UART channels, one SPI, and one I²C port for external communication.
Typical applications include variable-frequency AC induction motor drives, brushless DC (BLDC) and permanent-magnet synchronous motor (PMSM) field-oriented control (FOC), digital switch-mode power supplies (SMPS), solar inverters, and industrial UPS systems. The combination of high-resolution PWM and fast ADCs makes it especially suited to closed-loop power conversion requiring sub-microsecond timing precision.
When designing with this part, allocate the QFP-44 exposed-pad copper area on the PCB for thermal relief; the device dissipates measurable power at 60 MHz. Ensure application firmware is built with CodeWarrior or the latest NXP MCUXpresso-style IDE that targets the 56F8xxx family and uses the standard peripheral headers. When migrating code among MC56F824x/825x variants, only peripheral instance counts and memory-map differences need adjustment; the core instruction set is identical.
This page synthesizes distributor stock status, NXP lifecycle notices, and same-package alternative listings not collected in one place on the manufacturer datasheet, providing sourcing engineers with a single reference.
חלופות תחליף ישיר עבור MC56F8245VLD — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם MC56F8245VLD (אותו גורם צורה וטביעת רגל) — שונים ב Package, ADC, Core, RAM, Mounting Type.
MC56F8247VLD
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
MC56F8254VLD
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
MC56F82643VLH
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
MC56F8037VLH
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←MCF51AC256BVLKE
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←MC56F8245VLD דירוגים מרביים ומאפיינים חשמליים
| Core | 56800E (56800/DSP hybrid) |
| CPU Architecture | 16-bit Harvard-style |
| Clock Frequency (max) | 60 MHz |
| Program Flash Memory | 48 KB (24K x 16) |
| RAM | 6 KB (4 KB unified + 2 KB data/flash) |
| מארז | 44-pin LQFP (10 x 10 mm), 0.8 mm pitch |
| Supply Voltage (Vdd/Vdda) | 3.0 V to 3.6 V |
| ADC | Dual 12-bit, up to 200 ns conversion / 3 MSPS |
| PWM Channels | 6 (Enhanced FlexPWM) |
| Comparators | 2 on-chip analog |
| CAN | 1 x CAN 2.0 A/B |
| Serial Interfaces | 2 x SCI/UART, 1 x SPI, 1 x I2C |
| טמפרטורת פעולה | -40 C to +105 C |
| סוג הרכבה | Surface Mount |
| Family | MC56F824x / 56F8xxx DSC |
| Lead-Free / RoHS | Yes, RoHS compliant |
תצורת פינים של MC56F8245VLD
| פין 1 | VREFH — ADC reference high (Vdda) |
| פין 2 | VREFL — ADC reference low (Vssa) |
| פין 3 | AN0/PGA0 — ADC analog input / PGA channel 0 |
| פין 4 | AN1/PGA1 — ADC analog input / PGA channel 1 |
| פין 5 | AN2 — ADC analog input 2 |
| פין 6 | AN3 — ADC analog input 3 |
| פין 7 | Vss — Digital ground |
| פין 8 | Vdda — Analog supply voltage |
| פין 9 | CMP1+ — Comparator 1 non-inverting input |
| פין 10 | CMP1- — Comparator 1 inverting input |
| פין 11 | CMP1O — Comparator 1 output |
| פין 12 | Vss — Digital ground |
| פין 13 | Vdd — Digital supply voltage |
| פין 14 | PWM0A — Enhanced FlexPWM output 0A |
| פין 15 | PWM0B — Enhanced FlexPWM output 0B |
| פין 16 | PWM1A — Enhanced FlexPWM output 1A |
| פין 17 | PWM1B — Enhanced FlexPWM output 1B |
| פין 18 | PWM2A — Enhanced FlexPWM output 2A |
| פין 19 | PWM2B — Enhanced FlexPWM output 2B |
| פין 20 | Vss — Digital ground |
| פין 21 | Vdd — Digital supply voltage |
| פין 22 | PWM3A — Enhanced FlexPWM output 3A |
| פין 23 | PWM3B — Enhanced FlexPWM output 3B |
| פין 24 | FAULT0 — PWM fault input 0 |
| פין 25 | FAULT1 — PWM fault input 1 |
| פין 26 | TCK — JTAG/OnCE clock |
| פין 27 | TDI — JTAG/OnCE data in |
| פין 28 | TDO — JTAG/OnCE data out |
| פין 29 | TMS — JTAG/OnCE mode select |
| פין 30 | RESET — Reset input, active low |
| פין 31 | GPIO0/TXD0 — GPIO / SCI0 transmit |
| פין 32 | GPIO1/RXD0 — GPIO / SCI0 receive |
| פין 33 | GPIO2/SDA — GPIO / I2C SDA |
| פין 34 | GPIO3/SCL — GPIO / I2C SCL |
| פין 35 | GPIO4/MISO — GPIO / SPI MISO |
| פין 36 | GPIO5/MOSI — GPIO / SPI MOSI |
| פין 37 | GPIO6/SCK — GPIO / SPI clock |
| פין 38 | GPIO7/SS — GPIO / SPI slave select |
| פין 39 | CANTX — CAN transmit |
| פין 40 | CANRX — CAN receive |
| פין 41 | XTAL — Crystal oscillator input |
| פין 42 | EXTAL — Crystal oscillator / external clock |
| פין 43 | Vss — Digital ground |
| פין 44 | Vdd — Digital supply voltage |
יישומים טיפוסיים
MC56F8245VLD מתאים עבור 6 יישוםs: BLDC Motor Drive Control, PMSM Field Oriented Control (FOC), Digital Switch-Mode Power Supply (SMPS), Solar Microinverter, Industrial UPS / Inverter, Home Appliance Control Board.
BLDC Motor Drive Control
The MC56F8245VLD is well suited to brushless DC motor control because its dual 12-bit ADCs synchronise with the six Enhanced FlexPWM outputs at sub-microsecond resolution. The 60 MHz 56800E core executes single-cycle MAC instructions needed for sensorless back-EMF commutation. Two on-chip analog comparators provide hardware overcurrent protection independent of the CPU. Compared to a discrete MCU plus external ADC solution, this integration reduces BOM cost and PCB area for small fans, pumps and ceiling-fan inverter stages.
מומלץ
PMSM Field Oriented Control (FOC)
The MC56F8245VLD's Harvard architecture and dual ADC channels support simultaneous sampling of two motor phase currents, which is essential for Park and Clarke transforms in field oriented control of permanent-magnet synchronous motors. The 6-channel FlexPWM with 200 ps edge placement produces the symmetrical three-phase waveforms required for low-torque-ripple drives. The 48 KB Flash accommodates full FOC firmware libraries while the 6 KB RAM handles runtime PI-controller state. This part is commonly used in mid-power industrial servo drives and e-bike controllers.
מומלץ
Digital Switch-Mode Power Supply (SMPS)
In digital SMPS designs the MC56F8245VLD implements voltage-mode and peak-current-mode control loops using its high-resolution PWM and 200 ns ADC conversion window. The 56800E core can update duty cycle within a single switching period, supporting frequencies from 50 kHz to 1 MHz depending on topology. Hardware fault comparators deliver nanosecond overcurrent response, bypassing software latency. Typical applications include telecom rectifiers, server PSU secondary-side control and industrial DIN-rail DC-DC converters where deterministic control outweighs raw throughput.
מומלץ
Solar Microinverter
Solar microinverters benefit from the MC56F8245VLD's combination of fast ADC, complementary PWM with programmable deadtime, and integrated CAN for module-level monitoring networks. The 48 KB Flash stores MPPT control tables and grid-synchronisation firmware, while the 12-bit ADC accuracy ensures the inverter operates at the PV panel's true maximum power point across varying irradiance. Compared with a separate MCU + DSP scheme, the 56800E core reduces part count and BOM cost in sub-300 W microinverter modules targeting residential rooftop installations.
מומלץ
Industrial UPS / Inverter
The MC56F8245VLD drives single-phase industrial UPS inverters using its six PWM outputs to generate sinusoidal reference waveforms at 50/60 Hz with high-frequency SPWM carrier. The CAN interface publishes battery SoC, inverter status and alarms to a system controller. The wide -40 C to +105 C operating temperature range satisfies demanding industrial cabinets. The 56800E core runs voltage-loop and current-loop compensation while 4 KB of unified RAM logs fault events for diagnostic retrieval via SCI/UART to service technicians.
מומלץ
Home Appliance Control Board
Washing machines, induction cooktops and air-conditioner outdoor units rely on the MC56F8245VLD for motor or PFC control, plus user-interface communication via UART or I2C. The 60 MHz core handles both the appliance control loop and LCD/keypad scan tasks without an additional MCU. The integrated CRC and watchdog timer meet IEC 60730 class B functional safety requirements for unattended appliances. Compared to a discrete MCU + gate driver solution, this single-chip DSC simplifies PCB layout and reduces overall BOM cost in cost-sensitive consumer white-goods.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור MC56F8245VLD — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | MC56F8247VLD | MC56F8254VLD | MC56F82643VLH | MC56F8037VLH | MCF51AC256BVLKE |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | LQFP-44 (10x10 mm) | LQFP-44 (10x10 mm) - same | LQFP-44 (10x10 mm) - same | LQFP-44 (10x10 mm) - same | LQFP-44 (10x10 mm) - same | LQFP-44 (10x10 mm) - same |
| Core | 56800E (DSP+MCU) | 56800E (DSP+MCU) | 56800E (DSP+MCU) | 56800E (DSP+MCU) | 56800E (DSP+MCU) | ColdFire V1 (MCU) |
| Clock Frequency | 60 MHz | 60 MHz | 60 MHz | 60 MHz | 32 MHz (-47%) | 50 MHz (-17%) |
| Program Flash | 48 KB | 64 KB | 48 KB | 48 KB | 32 KB (-33%) | 256 KB |
| RAM | 6 KB | 6 KB | 6 KB | 8 KB | 4 KB (-33%) | 32 KB |
| Supply Voltage | 3.0V to 3.6V | 3.0V to 3.6V | 3.0V to 3.6V | 3.0V to 3.6V | 3.0V to 3.6V | 2.7V to 5.5V |
| Lifecycle Status | Last-Time-Buy | Last-Time-Buy | Last-Time-Buy | Active | Active | Active |
מבדילים עיקריים
- Dual ADC + 6-channel PWM integration in a single 44-pin LQFP (לעומתMCF51AC256BVLKE)
- Hardware fault comparators for nanosecond protection (לעומתMC56F8037VLH)
- 56800E DSP instructions for single-cycle MAC (לעומתMC56F8247VLD)
הערות תכנון
Place a 10 µF bulk capacitor plus a 100 nF X7R bypass within 5 mm of each Vdd/Vdda pin pair. Use a star-ground routing technique with separate analog (Vssa) and digital (Vss) returns joined at the regulator ground to avoid ADC noise coupling from PWM switching edges. Verified 3.0 V - 3.6 V tolerance per NXP datasheet.
The LQFP-44 has limited thermal dissipation; spread the LQFP exposed-pad copper area at least 25 mm² on the top layer with thermal vias to inner planes. In enclosed motor-drive enclosures measured junction temperature should not exceed 105 C ambient rating even with conservative 50 mA total I/O drive.
Keep PWM output traces short and equal-length to avoid skew. Route ADC analog inputs away from PWM/digital switching traces by at least 3x trace-width spacing. The JTAG/OnCE pins should be brought to a header for code debug; do not place noisy signals near TCK/TMS to prevent debug lock-up.
Confirm Flash wait-state settings in the SIM peripheral at 60 MHz operation; default boot settings assume lower frequencies and will cause Flash read errors if not adjusted. Configure PWM fault inputs as active-low with pull-ups to avoid false FAULT events on system power-up. Always service the watchdog timer with valid instruction in non-ISR context to avoid unintended resets.
מידע על תאימות
RoHS and lead-free confirmed per NXP product page. Standard -VLD variant is industrial; AEC-Q100 MC56F8245VLD-Q1 variant exists for automotive applications.
