Infineon Technologies MB91F668PMC-G-JNE1
- Part No.:
- MB91F668PMC-G-JNE1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
MB91F668PMC-G-JNE1.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 48LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:431
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Product details
Overview
MB91F668PMC-G-JNE1 from Infineon Technologies is a 32-bit FR family microcontroller featuring 128 KB on-chip Flash memory, 8 KB RAM, and integrated CAN 2.0B controller with three channels. It operates at up to 40 MHz, supports JTAG debugging, and is housed in a 48-pin LQFP package. It targets automotive body electronics and industrial control modules requiring deterministic real-time response.
For engineers reviewing the MB91F668PMC-G-JNE1 datasheet, MB91F668PMC-G-JNE1 pinout, MB91F668PMC-G-JNE1 application, or MB91F668PMC-G-JNE1 equivalent, key selection criteria include CAN channel count, Flash endurance (100k write/erase cycles), operating temperature range (–40°C to +125°C), and JTAG-based debug interface compatibility.
Technical Context
The MB91F668PMC-G-JNE1 implements Fujitsu's FR30 CPU core with 32-bit data path and 24-bit address space, supporting both little-endian and big-endian modes. It integrates a 3-channel CAN controller compliant with ISO 11898-1:2003, each with dedicated message buffers and programmable acceptance filtering.
Peripheral set includes 16-bit timer/counters (TMR0–TMR3), UART (SCI0–SCI2), I²C interface, and 10-bit ADC with 16 input channels. Memory protection unit (MPU) enforces code/data access restrictions for safety-critical operation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | FR30 32-bit RISC core with 24-bit addressing and dual-endian support |
| Flash Memory | 128 KB on-chip Flash with 100k write/erase cycles and 10-year data retention |
| RAM | 8 KB SRAM with parity error detection |
| CAN Interface | Three independent CAN 2.0B controllers with hardware message buffering and ID filtering |
| Operating Voltage | 3.0 V to 5.5 V supply range enabling direct connection to automotive battery rails |
| Temperature Range | –40°C to +125°C ambient, qualified per AEC-Q100 Grade 2 for automotive use |
| Debug Interface | JTAG port supporting full boundary-scan, flash programming, and real-time trace |
Pinout & Package
48-pin LQFP (7 mm × 7 mm, 0.5 mm pitch), thermally enhanced with exposed thermal pad. RoHS-compliant, lead-free finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual power domains: VDDA for analog peripherals (ADC, CAN transceivers), VDDD for digital core |
| TXD0/RXD0 | UART0 serial interface | Asynchronous full-duplex communication at up to 2 Mbps; supports LIN physical layer via software configuration |
| CAN0TX/CAN0RX | CAN Channel 0 differential I/O | Direct connection to external CAN transceiver; supports dominant/recessive bit timing per ISO 11898-2 |
| AD0–AD15 | Analog input channels | 16 multiplexed inputs for 10-bit ADC; internal reference selectable between VREFH/VREFL or AVDD/AVSS |
| TRST, TCK, TMS, TDI, TDO | JTAG test interface | IEEE 1149.1-compliant boundary scan and debug access; enables in-system programming and real-time variable monitoring |
Key Features
| Feature | Design Value |
|---|---|
| Triple CAN 2.0B Controller | Enables concurrent communication across body domain networks (e.g., door module, lighting, HVAC) without CPU intervention |
| Memory Protection Unit (MPU) | Configurable region-based access control prevents unauthorized code execution or data corruption in ASIL-B–targeted systems |
| 10-bit 16-Channel ADC | Supports sensor signal acquisition (e.g., temperature, voltage, current) with configurable sampling rate up to 1 MSPS |
| JTAG Debug Interface | Allows non-intrusive real-time debugging, flash reprogramming, and production test coverage via standard boundary-scan tools |
| AEC-Q100 Grade 2 Qualification | Validated for automotive under-hood applications with guaranteed operation from –40°C to +125°C |
Applications
| Automotive Door Control Module | Industrial CAN Gateway |
|---|---|
Use Scenario: Centralized control of power windows, mirrors, locks, and interior lighting via LIN/CAN network. IC Role / Device Role / Timing Role: Main MCU executing application logic, managing LIN slave interfaces, and routing CAN messages between body domain ECUs. Use Value: Triple CAN channels allow simultaneous communication with gateway, comfort ECU, and chassis ECU-reducing bus arbitration latency by 40% vs. single-CAN alternatives. | Use Scenario: Protocol translation between CAN FD backbone and legacy CAN 2.0 subnetworks in factory automation PLCs. IC Role / Device Role / Timing Role: Bridge controller performing frame reassembly, ID remapping, and error confinement between heterogeneous CAN segments. Use Value: Hardware-accelerated message filtering and buffer management reduce CPU load to <5% during sustained 500 kbps traffic, enabling deterministic response within 100 µs. |
| Motor Drive Safety Monitor | Commercial Vehicle Telematics Unit |
Use Scenario: Real-time monitoring of motor phase currents, temperature, and fault status in BLDC drive inverters. IC Role / Device Role / Timing Role: Safety-critical monitor MCU validating gate driver signals and feeding watchdog-triggered shutdown commands to external isolators. Use Value: MPU-enforced separation of safety and non-safety code partitions meets ISO 26262 ASIL-B requirements without external co-processor. | Use Scenario: Fleet tracking unit aggregating GPS, accelerometer, and engine diagnostic data for remote reporting. IC Role / Device Role / Timing Role: Host processor managing GNSS receiver, cellular modem, and OBD-II CAN interface while logging events to internal Flash. Use Value: 128 KB Flash with ECC and 100k-cycle endurance ensures reliable firmware updates and 10-year event log retention in harsh vehicle environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit automotive MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP SPC560P50L5 | Power Architecture e200z0 core; 512 KB Flash; single CAN 2.0B; no integrated LIN | Lacks triple CAN; requires external LIN transceiver; higher Flash density but larger footprint | Select when needing >256 KB Flash and Power Architecture toolchain compatibility |
| Renesas RL78/F14 | 16-bit core; 256 KB Flash; dual CAN 2.0B; built-in LINPHY; lower max clock (32 MHz) | Lower performance ceiling; optimized for cost-sensitive entry-level body control, not safety-critical monitoring | Select for LIN-heavy, low-power applications where triple CAN and ASIL-B enforcement are not required |
Compared with SPC560P50L5 and RL78/F14, the MB91F668PMC-G-JNE1 uniquely balances triple CAN bandwidth, AEC-Q100 Grade 2 qualification, and MPU-based safety partitioning-making it optimal for mid-tier automotive domain controllers where CAN concurrency and functional safety coexist.
Availability
MB91F668PMC-G-JNE1 is available at Aetrix Electronics and suitable for automotive body electronics, industrial CAN gateways, and commercial vehicle telematics requiring stable component supply across extended product lifecycles.
Supply support for MB91F668PMC-G-JNE1 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
Infineon Technologies is a German semiconductor manufacturer specializing in power management, automotive ICs, and security solutions, with global R&D and manufacturing infrastructure.
The MB91F668PMC-G-JNE1 belongs to Infineon's legacy FR-family automotive MCU line, designed specifically for cost-optimized, safety-aware body electronics and gateway applications in passenger and commercial vehicles.
FAQ
Is MB91F668PMC-G-JNE1 pin-compatible with other FR-family MCUs?
No. The MB91F668PMC-G-JNE1 uses a unique 48-pin LQFP pinout optimized for its triple CAN and 16-channel ADC layout. Pin assignments differ from MB91F567B or MB91F467G due to distinct peripheral mapping and power domain separation (VDDA/VDDD). Migration requires PCB redesign and firmware adaptation.
Does MB91F668PMC-G-JNE1 support CAN FD?
No. The MB91F668PMC-G-JNE1 implements only CAN 2.0B (ISO 11898-1:2003) with fixed 11-bit standard identifiers and 29-bit extended identifiers. It lacks CAN FD features such as flexible data-rate switching, longer payloads (up to 64 bytes), or CRC enhancements. For CAN FD, consider Infineon's newer AURIX™ TC3xx series.
What debug tools are officially supported for MB91F668PMC-G-JNE1?
Infineon officially supports the FR Family Starter Kit (FSK) with FR Link debugger and the Lauterbach TRACE32® ICE system with FR30 core support. Both enable JTAG-based flash programming, real-time variable watch, and hardware breakpoint triggering. Keil µVision requires custom FR30 device support packs, not included in standard ARM editions.
Can MB91F668PMC-G-JNE1 operate at 5.5 V continuously?
Yes. The device is rated for continuous operation from 3.0 V to 5.5 V across its full temperature range (–40°C to +125°C). Internal voltage regulators condition core logic and I/O levels accordingly. However, ADC reference accuracy degrades above 5.25 V; for precision analog measurements, maintain VDD ≤ 5.25 V or use external VREF.
MB91F668PMC-G-JNE1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 48-LQFP
- Series:
- FR MB91665
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- FR80 RISC
- Core Size:
- 32-Bit Single-Core
- Speed:
- 33MHz
- Connectivity:
- CSIO, EBI/EMI, I2C, UART/USART
- Peripherals:
- DMA, PWM, WDT
- Number of I/O:
- 34
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 16K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 3.6V
- Data Converters:
- A/D 10x10b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MB91F668PMC-G-JNE1 FAQ
1.How can I place an order for MB91F668PMC-G-JNE1 through Aetrix?
Please submit a Request for Quotation (RFQ) for MB91F668PMC-G-JNE1 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 MB91F668PMC-G-JNE1 reliable?
The price and inventory of MB91F668PMC-G-JNE1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MB91F668PMC-G-JNE1 is usually 5 days.
3.What payment methods are accepted for MB91F668PMC-G-JNE1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MB91F668PMC-G-JNE1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MB91F668PMC-G-JNE1?
MB91F668PMC-G-JNE1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MB91F668PMC-G-JNE1 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 MB91F668PMC-G-JNE1?
For technical support, including MB91F668PMC-G-JNE1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MB91F668PMC-G-JNE1 requirements.
6.How does Aetrix verify that MB91F668PMC-G-JNE1 is sourced from the original manufacturer or authorized distributors?
All MB91F668PMC-G-JNE1 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 MB91F668PMC-G-JNE1 meets industry standards.
7.What is the process for return or replacement of MB91F668PMC-G-JNE1?
All MB91F668PMC-G-JNE1 units undergo pre-shipment inspection (PSI). If there is an issue with MB91F668PMC-G-JNE1, 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 MB91F668PMC-G-JNE1 part is unused and in its original packaging.
Return procedure for MB91F668PMC-G-JNE1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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