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NXP Semiconductors MC56F8155VFGE
- Part No.:
- MC56F8155VFGE
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 128-LQFP
- Datasheet:
-
MC56F8155VFGE.pdf
- Description:
- IC MCU 16BIT 256KB FLASH 128LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,693
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Product details
Overview
MC56F8155VFGE from NXP (formerly Freescale) is a 16-bit digital signal controller (DSC) built on the 56800E core, delivering 40 MIPS at 40 MHz, with 256 KB program Flash, 16 KB data RAM, and one 6-channel PWM module. It integrates four 12-bit ADCs, two SCIs, two SPIs, two Quad Timers, one Quadrature Decoder, and operates in industrial temperature range (–40°C to +105°C) for motor control in BLDC/stepper drives.
For engineers reviewing the MC56F8155VFGE datasheet, MC56F8155VFGE pinout, MC56F8155VFGE application, or MC56F8155VFGE equivalent, key selection criteria include its single-PWM architecture, absence of CAN and temperature sensor, 128-pin LQFP package, and compatibility with CodeWarrior and Processor Expert toolchains for embedded motion control firmware development.
Technical Context
The MC56F8155VFGE implements a dual-Harvard 56800E core with hardware DO/REP loops, a 36-bit MAC unit, and four 36-bit accumulators - enabling deterministic real-time control loops. Its memory subsystem supports independent bulk/page erase (1 KB Flash pages, 512 B Boot/Data Flash pages) and JTAG-programmable Flash with security lock.
Peripheral integration centers on motor control: one PWM module provides six complementary outputs with programmable dead time, cycle-by-cycle current limiting, and SYNC-triggered ADC sampling via Quad Timer C; the Quadrature Decoder captures all four edge transitions for precise position tracking, with integrated watchdog timeout detection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 56800E 16-bit dual-Harvard DSP/MCU hybrid with hardware looping and 36-bit MAC |
| Max Core Frequency | 40 MHz - sets maximum deterministic loop execution rate for real-time motor control |
| Program Memory | 256 KB Flash - sufficient for complex field-oriented control (FOC) algorithms with bootloader space |
| PWM Channels | 6 outputs (1 module) - supports 3-phase BLDC or stepper drive with complementary pairs and fault inputs |
| ADC System | Four 12-bit ADCs with quad 4-pin multiplexing - enables simultaneous current/voltage sensing across multiple phases |
| Quadrature Decoder | 1 × 4-input decoder - tracks encoder position/speed with glitch-filtered inputs and motion-detection timeout |
| Operating Temperature | –40°C to +105°C - qualified for industrial motor drives without external thermal derating |
| Package | 128-pin LQFP (14 × 14 mm, 0.4 mm pitch) - standard surface-mount footprint compatible with automated assembly |
Pinout & Package
MC56F8155VFGE is housed in a 128-pin LQFP package (VFGE suffix), with 49 GPIO lines multiplexed across peripherals including PWM, ADC, SCI, SPI, Quad Timer, and Quadrature Decoder functions. Power delivery uses dedicated VDD/VSS and analog VDDA/VSSA rails; VCAP decoupling capacitor required per datasheet Section 2.2.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Digital power supply/ground | Primary 3.3 V logic rail; requires local 0.1 µF low-ESR ceramic decoupling |
| VDDA, VSSA | Analog power supply/ground | Isolated 3.3 V analog domain for ADC reference stability and noise immunity |
| VCAP | Internal regulator bypass | Connects to 2.2 µF low-ESR capacitor to stabilize on-chip 2.6–3.3 V regulator output |
| PWMA0–PWMA5 | PWM output channels | Complementary high/low side outputs with programmable dead time for 3-phase bridge control |
| AD0–AD15 | ADC input channels | Multiplexed analog inputs supporting simultaneous sampling across four 12-bit ADC modules |
| QD_A, QD_B | Quadrature encoder inputs | Dedicated filtered inputs capturing A/B phase edges for position/speed calculation |
| SCI0_TX, SCI0_RX | Asynchronous serial interface | Full-duplex UART for host communication, parameter upload, or debug logging |
| JTAG_TCK, TMS, TDI, TDO | Debug interface | IEEE 1149.1-compliant boundary scan and real-time emulation via EOnCE port |
Key Features
| Feature | Design Value |
|---|---|
| Patented PWM distortion correction | Compensates for gate driver propagation delay mismatches to maintain accurate duty cycle across temperature |
| Double-buffered PWM registers | Enables seamless reload of period/duty values mid-cycle without jitter or glitches in motor commutation |
| ADC–PWM synchronization | Timer C channel triggers ADC conversions aligned to PWM center/edge points for precise current sampling |
| "Smoke-inhibit" write-once protection | Prevents accidental overwrite of critical PWM timing or safety parameters during field firmware updates |
| Independent Flash memory erasure | Allows bootloader (Boot Flash), application code (Program Flash), and calibration data (Data Flash) to be updated separately |
Applications
| Industrial Motor Drive | Smart Appliance Control |
|---|---|
Use Scenario: Closed-loop speed/position control of 3-phase BLDC motors in HVAC blowers or conveyor systems. IC Role / Device Role / Timing Role: Real-time execution of FOC algorithms, PWM generation, ADC-sampled current feedback, and quadrature-based rotor position tracking. Use Value: Deterministic 40 MIPS throughput ensures sub-10 µs current loop execution, enabling smooth torque response and reduced acoustic noise. | Use Scenario: Energy-efficient motor control in washing machines, where variable-speed drum rotation and spin cycles require precise torque management. IC Role / Device Role / Timing Role: Integrates PWM-driven inverter, multi-channel ADC for current/voltage monitoring, and SCI for UI communication with main controller. Use Value: On-chip 256 KB Flash stores multiple motor profiles and adaptive control logic, eliminating external nonvolatile storage. |
| Stepper Motor Controller | Power Supply Digital Control |
Use Scenario: Microstepping control of bipolar stepper motors in medical pumps or lab automation stages. IC Role / Device Role / Timing Role: Generates phase-coordinated PWM waveforms, reads encoder feedback via Quadrature Decoder, and executes acceleration/deceleration ramps. Use Value: Hardware-accelerated 36-bit MAC computes trapezoidal/s-curve motion profiles in real time without CPU overhead. | Use Scenario: Digital voltage/current regulation in isolated AC/DC or DC/DC SMPS with adaptive compensation. IC Role / Device Role / Timing Role: Samples output voltage/current via ADC, runs PID control loop, and drives gate drivers through PWM outputs with cycle-by-cycle fault limiting. Use Value: Integrated 12-bit ADC with internal reference eliminates need for external precision references, reducing BOM count and layout area. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digital signal controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC56F8323VFA | 32-bit ColdFire V1 core, 60 MHz, 128 KB Flash, no integrated PWM or ADC | Requires external PWM/ADC ICs; suited for general-purpose control with higher code density | Select when application demands richer OS support or Ethernet connectivity over motor-specific peripherals |
| dsPIC33EP256MC506 | 16-bit dsPIC core, 70 MIPS, 256 KB Flash, 2×6 PWM, 12-bit ADC with DMA, no quadrature decoder | Lacks hardware quadrature decoding; relies on timer-based software counting | Choose for cost-sensitive BLDC drives where encoder resolution is moderate and software flexibility outweighs hardware decoder latency |
Compared with MC56F8155VFGE, MC56F8323VFA trades motor-specific peripherals for broader MCU capabilities and larger ecosystem support, while dsPIC33EP256MC506 offers higher performance and integrated DMA but requires software-based position tracking - making MC56F8155VFGE optimal for deterministic, encoder-coupled motion control with minimal external components.
Availability
MC56F8155VFGE is available at Aetrix Electronics and suitable for industrial motor drives, smart appliance controllers, stepper motion systems, and digital power supply designs requiring stable component supply and long-term manufacturability.
Supply support for MC56F8155VFGE includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, and IoT applications, with deep heritage in microcontrollers and digital signal processing.
The MC56F8155VFGE belongs to NXP's 56800E-based DSC product line, designed specifically for cost-sensitive, high-reliability embedded motion control applications where deterministic real-time performance and integrated analog/motor peripherals reduce system complexity.
FAQ
What is the maximum operating frequency of the MC56F8155VFGE?
The MC56F8155VFGE operates at a maximum core frequency of 40 MHz, delivering up to 40 MIPS. This frequency is achieved using the on-chip PLL with an external crystal up to 8.4 MHz, as specified in Section 10.6 of the datasheet. The MC56F8155VFGE does not support the 60 MHz operation available in the MC56F8355, and its timing parameters (e.g., instruction cycle, PWM resolution) are validated only up to 40 MHz.
Does the MC56F8155VFGE include a CAN interface?
No, the MC56F8155VFGE does not include a FlexCAN module. According to Table 1-1 and Section 1.1.2 of the datasheet, CAN functionality is exclusive to the MC56F8355 and is explicitly omitted from the MC56F8155VFGE. Engineers requiring CAN must select the MC56F8355 or implement external CAN transceivers with software protocol stacks on the MC56F8155VFGE.
How many ADC channels does the MC56F8155VFGE support?
The MC56F8155VFGE integrates four independent 12-bit Analog-to-Digital Converters (ADCs), each with quad 4-pin multiplexed inputs - totaling up to 16 analog input channels. These ADCs support simultaneous sampling and can be synchronized to PWM events via Quad Timer C, as detailed in Sections 1.1.4 and 10.15 of the datasheet.
What is the Flash memory configuration of the MC56F8155VFGE?
The MC56F8155VFGE contains 256 KB of Program Flash memory and 16 KB of Boot Flash memory. Unlike the MC56F8355, it does not include Data Flash. Program Flash supports page erase (1 KB pages) and bulk erase; Boot Flash supports both 512-byte page erase and bulk erase. All Flash is programmable via JTAG, and security features prevent unauthorized readout.
Is the MC56F8155VFGE pin-compatible with the MC56F8355?
No, the MC56F8155VFGE is not pin-compatible with the MC56F8355 despite sharing the same 128-pin LQFP package. Pin functions differ significantly - for example, CAN-related pins (CAN_TX/CAN_RX) on the MC56F8355 are reassigned to GPIO or unused on the MC56F8155, and certain PWM/ADC signals are relocated or omitted. Layout reuse requires full pin mapping verification against Tables 2-2 and 11-2 in the datasheet.
MC56F8155VFGE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 128-LQFP
- Series:
- 56F8xxx
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- 56800E
- Core Size:
- 16-Bit
- Speed:
- 40MHz
- Connectivity:
- EBI/EMI, SCI, SPI
- Peripherals:
- POR, PWM, WDT
- Number of I/O:
- 49
- Program Memory Size:
- 256KB (128K x 16)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 8K x 16
- Voltage - Supply (Vcc/Vdd):
- 2.25V ~ 3.6V
- Data Converters:
- A/D 16x12b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC56F8155VFGE FAQ
1.How can I place an order for MC56F8155VFGE through Aetrix?
Please submit a Request for Quotation (RFQ) for MC56F8155VFGE on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MC56F8155VFGE reliable?
The price and inventory of MC56F8155VFGE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC56F8155VFGE is usually 5 days.
3.What payment methods are accepted for MC56F8155VFGE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC56F8155VFGE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC56F8155VFGE?
MC56F8155VFGE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC56F8155VFGE order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MC56F8155VFGE?
For technical support, including MC56F8155VFGE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC56F8155VFGE requirements.
6.How does Aetrix verify that MC56F8155VFGE is sourced from the original manufacturer or authorized distributors?
All MC56F8155VFGE products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MC56F8155VFGE meets industry standards.
7.What is the process for return or replacement of MC56F8155VFGE?
All MC56F8155VFGE units undergo pre-shipment inspection (PSI). If there is an issue with MC56F8155VFGE, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MC56F8155VFGE part is unused and in its original packaging.
Return procedure for MC56F8155VFGE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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