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NXP Semiconductors MPC555LFAVR40
- Part No.:
- MPC555LFAVR40
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 272-BBGA
- Datasheet:
-
MPC555LFAVR40.pdf
- Description:
- IC MCU 32BIT 448KB FLASH 272PBGA
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
MPC555LFAVR40 from Freescale Semiconductor is a 32-bit PowerPC RISC microcontroller designed for high-reliability automotive powertrain and industrial control applications. It integrates a 40-MHz PowerPC core with double-precision FPU, 448 KB Flash EEPROM (5-V programmable), 26 KB SRAM, dual CAN 2.0B controllers (TouCAN), dual QADC64 modules (32 analog inputs), and dual TPU3 timer units - enabling deterministic real-time signal acquisition, actuator control, and communication in engine management systems.
For engineers reviewing the MPC555LFAVR40 datasheet, MPC555LFAVR40 pinout, MPC555LFAVR40 application, or MPC555LFAVR40 equivalent, key selection criteria include its -40 °C to 125 °C operating range, 272-pin PBGA package, 5-V tolerant I/O, integrated BDM debug interface, and dual CAN bus support for distributed vehicle networks.
Technical Context
The MPC555LFAVR40 implements a static, fully compliant PowerPC ISA architecture with on-chip USIU providing clock synthesis, power management, reset control, and IEEE 1149.1 JTAG test access. Its memory subsystem includes two independent Flash modules (256 KB + 192 KB), dual SRAM banks (16 KB + 10 KB), and 6 KB DPTRAM shared between two TPU3 units.
Real-time peripherals are hardware-decoupled: each TPU3 operates independently of the RCPU with 16 programmable channels and dedicated microcode RAM; dual QADC64 modules support queued 10-bit conversion at 100 kSPS with flexible trigger sources; TouCAN modules provide 16-message buffers per channel, time-stamping, and low-power wake-on-bus-activity mode.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 32-bit PowerPC ISA-compliant RISC core with integrated double-precision floating-point unit |
| Operating Frequency | 40 MHz - enables 52.7-Kbyte Dhrystone v2.1 performance for deterministic control loop execution |
| Flash Memory | 448 KB Flash EEPROM (256 KB + 192 KB modules), 5-V program/erase voltage, block-erasable (32 KB) |
| RAM | 26 KB fast SRAM (16 KB + 10 KB banks) with keep-alive power and soft defect detection |
| Analog Input | Dual QADC64 modules supporting up to 32 analog inputs, 10-bit resolution, 10 µs typical conversion time |
| Communication Interfaces | Dual CAN 2.0B (TouCAN), QSMCM with QSPI + dual SCI, IEEE 1149.1 JTAG, BDM on-chip emulation |
| Timer System | Dual TPU3 units (16 channels each) + MIOS1 (18-channel modular I/O) for precise PWM, capture, and waveform generation |
| Operating Temperature | -40 °C to 125 °C - qualified for under-hood automotive environments with dual 3.3 V / 5 V supply rails |
Pinout & Package
Package: 272-ball plastic ball grid array (PBGA), 27 mm × 27 mm, 1.27 mm pitch, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDH (multiple pins) | 5-V I/O power supply | Supplies 5-V tolerant digital I/O banks; decoupling required per Freescale layout guidelines |
| VDDL / VDDI / VDDF | 3.3-V logic & internal core power | VDDL powers I/O drivers; VDDI supplies RCPU and USIU; VDDF feeds Flash programming circuitry |
| A_CNRX0 / A_CNTX0 B_CNRX0 / B_CNTX0 |
CAN transceiver interface (differential pairs) | Direct connection points for external CAN physical layer transceivers (e.g., MC33388, TJA1042) |
| ETRIG1 / ETRIG2 | External trigger inputs | Synchronize QADC conversions or TPU3 event capture to external system events (e.g., crankshaft position) |
| TCK / TMS / TDO / TDI / TRST_B | JTAG boundary-scan and debug interface | Enables IEEE 1149.1-compliant testing, flash programming, and BDM-based real-time debugging |
| PCS0_QGP – PCS3_QGP MISO_QGP4 / MOSI_QGP5 |
QSMCM peripheral chip select & SPI signals | Supports up to 16 external SPI peripherals via four chip-select lines and configurable queue buffer |
Key Features
| Feature | Design Value |
|---|---|
| On-chip BDM interface | Eliminates need for external emulator hardware; enables real-time breakpoint insertion, watchpoint monitoring, and program flow tracing |
| Dual TouCAN modules | Each supports 16 message buffers, time-stamping, and wake-on-bus-activity - essential for fault-tolerant vehicle network partitioning |
| Queued ADC with dual command queues | Automated sampling triggered by software, external edge, or level gate - reduces CPU overhead in multi-sensor engine control |
| TPU3 micro-engine independence | Offloads timing-critical tasks (e.g., fuel injection pulse width, ignition timing) from RCPU, ensuring jitter-free execution |
| Flexible memory protection unit (MPU) | Four instruction/data regions with 4 KB–16 MB granularity - enforces code/data isolation for ASIL-B software partitioning |
| USIU-integrated power management | Hardware watchdog, periodic interrupt timer, and sleep-mode control simplify safety-critical power sequencing and recovery |
Applications
| Engine Control Unit (ECU) | Transmission Control Module (TCM) |
|---|---|
|
Use Scenario: Real-time acquisition of crank/cam position, throttle angle, manifold pressure, and oxygen sensor signals; closed-loop calculation of fuel injection timing and spark advance. IC Role / Device Role / Timing Role: Primary controller executing deterministic control algorithms with sub-millisecond latency using TPU3 for injector/ignition timing and QADC64 for synchronized analog sampling. Use Value: 40-MHz PowerPC core with FPU delivers sufficient MIPS for complex combustion models; dual CAN ensures redundancy between engine and transmission networks. |
Use Scenario: Monitoring turbine speed, clutch pressure, gear selector position, and hydraulic solenoid feedback to execute shift scheduling and torque management. IC Role / Device Role / Timing Role: Central timing and I/O manager coordinating MIOS1 PWM outputs for solenoid drive, QADC64 for pressure sensing, and TouCAN for CAN-FD–compatible messaging (via external transceiver). Use Value: 5-V tolerant I/O interfaces directly with legacy automotive sensors; DPTRAM enables concurrent TPU microcode execution without RCPU contention. |
| Industrial Motor Drive Controller | Heavy-Duty Vehicle Telematics Gateway |
|
Use Scenario: Closed-loop vector control of 3-phase AC induction motors using encoder feedback, current sensing, and thermal monitoring in pump/compressor systems. IC Role / Device Role / Timing Role: Real-time motion controller managing MIOS1 PWM outputs (MPWM0–MPWM19), QADC64 for current/voltage sampling, and TPU3 for encoder quadrature decoding. Use Value: Submicron HCMOS process enables stable operation at 125 °C ambient; 26 KB SRAM accommodates multiple PID loops and safety monitor stacks. |
Use Scenario: Aggregating CAN bus data from chassis, powertrain, and body modules; translating protocols; and transmitting diagnostics over cellular or GNSS link. IC Role / Device Role / Timing Role: Protocol gateway processor running dual CAN interfaces (A/B), QSMCM for serial modem interfacing, and USIU for time-stamped event logging. Use Value: Integrated JTAG/BDM simplifies field firmware updates; 448 KB Flash stores multiple bootloader versions and OTA update partitions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPC5567LFAVR40 | Successor device with enhanced Flash (1 MB), additional CAN FD support, and updated TPU4 architecture | Required for new designs targeting ISO 11898-2:2016 CAN FD compliance and larger firmware footprints | Select MPC5567LFAVR40 when migrating to CAN FD or requiring >500 KB code space; not pin-compatible with MPC555LFAVR40 |
| MPC5604B | Same PowerPC e200z0 core but with reduced Flash (512 KB), single CAN, and no TPU3 - uses eDMA instead | Targeted at cost-sensitive mid-tier ECUs where dual CAN and advanced timing are not required | MPC5604B offers lower BOM cost and smaller footprint but lacks QADC64 queuing and TPU3 microcode flexibility of MPC555LFAVR40 |
Compared with MPC555LFAVR40, MPC5567LFAVR40 adds CAN FD and larger Flash for future-proofing, while MPC5604B trades TPU3 and dual QADC for lower cost and simpler toolchain - neither is pin-compatible, requiring PCB redesign.
Availability
MPC555LFAVR40 is available at Aetrix Electronics and suitable for automotive powertrain control, industrial motor drives, heavy-duty vehicle telematics, and safety-critical embedded systems requiring stable component supply across extended temperature ranges.
Supply support for MPC555LFAVR40 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
Freescale Semiconductor (now part of NXP Semiconductors) is a fabless semiconductor company specializing in automotive, industrial, and networking processors.
The MPC555LFAVR40 belongs to the MPC500 family of PowerPC-based microcontrollers engineered for deterministic real-time control in harsh automotive environments - particularly engine, transmission, and chassis control units.
FAQ
What is the maximum operating temperature rating for the MPC555LFAVR40?
The MPC555LFAVR40 is rated for continuous operation from -40 °C to +125 °C, validated for under-hood automotive applications with dual 3.3 V and 5 V supply rails. This specification applies to the standard industrial-grade variant; suffix 'A' devices extend minimum temperature to -55 °C but retain the same 125 °C upper limit. Thermal derating is not required within this range when proper PCB thermal vias and heatsinking are implemented per Freescale AN2127 EMC guidelines.
Does the MPC555LFAVR40 support CAN FD or only classical CAN 2.0B?
The MPC555LFAVR40 supports only CAN 2.0A and 2.0B protocols via its dual TouCAN modules - it does not implement CAN FD features such as variable bit rate or extended data length. Each TouCAN module provides 16 message buffers, time-stamping, and wake-on-bus-activity, but lacks the arbitration phase enhancements and CRC improvements defined in ISO 11898-1:2015. For CAN FD, consider the MPC5567LFAVR40 or later MPC56xx/57xx derivatives.
How much on-chip RAM is available for user application code and data on the MPC555LFAVR40?
The MPC555LFAVR40 provides 26 KB of fast on-chip SRAM, divided into two physically separate banks: 16 KB (SRAM A) and 10 KB (SRAM B). Both banks support one-clock access and include keep-alive power capability for battery-backed retention. Additionally, 6 KB of dual-port TPU RAM (DPTRAM) is allocated exclusively for TPU3 microcode execution and is not accessible to the RCPU for general-purpose use.
What debug interface does the MPC555LFAVR40 use, and is external hardware required?
The MPC555LFAVR40 integrates a full IEEE 1149.1 JTAG test access port and on-chip background debug mode (BDM) interface, eliminating the need for external emulators. Debug functions including breakpoints, watchpoints, register inspection, and flash programming are supported through standard BDM tools like P&E Micro's Cyclone Pro or Lauterbach TRACE32. No external debug ASIC or probe is required - only a 10-pin BDM connector and compatible host software.
Is the MPC555LFAVR40 pin-compatible with any newer Freescale/NXP microcontrollers?
No, the MPC555LFAVR40 is not pin-compatible with any successor devices, including the MPC5567LFAVR40 or MPC5604B. Its 272-ball PBGA package, I/O voltage assignments (VDDH/VDDL/VDDI), and peripheral pin mappings are unique to the MPC500 family. Migration to newer parts requires full PCB redesign and firmware adaptation due to differences in memory map, clock tree, and peripheral register layouts - documented in Freescale AN1821 and MPC5567UM revisions.
MPC555LFAVR40 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 272-BBGA
- Series:
- MPC5xx
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- PowerPC
- Core Size:
- 32-Bit Single-Core
- Speed:
- 40MHz
- Connectivity:
- CANbus, EBI/EMI, SCI, SPI, UART/USART
- Peripherals:
- POR, PWM, WDT
- Number of I/O:
- 101
- Program Memory Size:
- 448KB (448K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 26K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 32x10b
- Oscillator Type:
- External
- Operating Temperature:
- -55°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MPC555LFAVR40 FAQ
1.How can I place an order for MPC555LFAVR40 through Aetrix?
Please submit a Request for Quotation (RFQ) for MPC555LFAVR40 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 MPC555LFAVR40 reliable?
The price and inventory of MPC555LFAVR40 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPC555LFAVR40 is usually 5 days.
3.What payment methods are accepted for MPC555LFAVR40?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPC555LFAVR40 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPC555LFAVR40?
MPC555LFAVR40 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPC555LFAVR40 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 MPC555LFAVR40?
For technical support, including MPC555LFAVR40 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPC555LFAVR40 requirements.
6.How does Aetrix verify that MPC555LFAVR40 is sourced from the original manufacturer or authorized distributors?
All MPC555LFAVR40 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 MPC555LFAVR40 meets industry standards.
7.What is the process for return or replacement of MPC555LFAVR40?
All MPC555LFAVR40 units undergo pre-shipment inspection (PSI). If there is an issue with MPC555LFAVR40, 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 MPC555LFAVR40 part is unused and in its original packaging.
Return procedure for MPC555LFAVR40:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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