Infineon Technologies MB9DF126PMC-GSK5E2
- Part No.:
- MB9DF126PMC-GSK5E2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 176-LQFP
- Datasheet:
-
MB9DF126PMC-GSK5E2.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 176LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:4,093
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Product details
Overview
MB9DF126PMC-GSK5E2 from Infineon Technologies (formerly Cypress) is a high-integrity automotive microcontroller based on the Arm® Cortex®-R4 core, operating up to 128 MHz with 2 MB TCFlash, 64 KB EEFlash, and 208 KB RAM with ECC. It integrates three CAN controllers, two LIN-USARTs, six stepper motor control outputs, and APIX 1× PHY / 2× AIC for pixel data transmission at 500 Mbps. It targets instrument cluster and virtual head unit applications requiring ASIL-B functional safety compliance.
For engineers reviewing the MB9DF126PMC-GSK5E2 datasheet, MB9DF126PMC-GSK5E2 pinout, MB9DF126PMC-GSK5E2 application, or MB9DF126PMC-GSK5E2 equivalent, key selection criteria include its dual-core lockstep-capable Cortex-R4 architecture, integrated TPU/MPU/PPU safety units, 50-channel 10-bit ADC, external bus interface (24-bit address/16-bit data), and -40°C to +105°C operation in LQFP-176 package.
Technical Context
The MB9DF126PMC-GSK5E2 implements a dual-issue, superscalar 8-stage pipeline Cortex-R4 core with 8 KB I-Cache and 8 KB D-Cache, supporting Armv7 and Thumb-2 instruction sets. It features four independent power domains (PD1–PD4), each with dedicated clock gating and reset control, enabling selective domain shutdown for low-power operation.
Safety-critical execution is enforced via Timing Protection Unit (TPU) with eight 24-bit timers for deadline monitoring, Memory Protection Unit (MPU) with 12 configurable regions, and Peripheral Protection Unit (PPU) securing 512 peripherals and GPIOs. Flash, cache, and RAM employ SECDED ECC, and boot integrity is verified by CRC-32 over BootROM and TCFlash.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | Arm Cortex-R4, 32-bit, dual-issue superscalar 8-stage pipeline with Thumb-2 support |
| Max CPU Frequency | 128 MHz via internal PLL from external 4–8 MHz resonator; enables real-time deterministic response |
| Memory | 2 MB TCFlash (programmable), 64 KB EEFlash (data retention), 208 KB RAM (ECC-protected) |
| Connectivity | 3× CAN FD-capable controllers, 2× LIN-USART, 3× SPI, 1× I²C, 2× I²S, HS-SPI, EBI (24A/16D) |
| Safety Features | TPU (8× 24-bit timers), MPU (12 regions), PPU (512 peripherals), CRC engine, watchdog with window mode |
| ADC & Timers | 50-channel 10-bit SAR ADC (24 shared with SMC), 10× RLT, 8× FRT, 8× ICU/OCU, 24× PPG channels |
| Operating Range | -40 °C to +105 °C ambient; 5 V-tolerant I/Os; qualified per AEC-Q100 Grade 2 |
Pinout & Package
LQFP-176 package with 141 active peripheral pins, 16 power/ground pins, and 23 dedicated debug/test pins including JTAG (TCK/TMS/TDO/TDI/TRST) and boundary scan support.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Core Power Supply / Ground | Separate 3.3 V domains for HPM, PERI, MEM, and DBG; decoupling required per PD |
| X0A, X1A | Main Crystal Oscillator Input | Accepts 4–8 MHz fundamental-mode crystal; drives PLL for 128 MHz system clock |
| RTC_X0, RTC_X1 | Real-Time Clock Oscillator | 32.768 kHz watch crystal input; powers RTC and wake-up logic during deep sleep |
| CAN0_TX, CAN0_RX | CAN Controller 0 Differential Interface | Direct connection to ISO 11898-2 transceiver; supports bit rates up to 1 Mbps |
| SMC0_M1, SMC0_P1 | Stepper Motor Control Output Pair | Drives one phase of bipolar stepper motor; supports microstepping via PWM modulation |
| EBI0_MAD00–EBI0_MAD23 | External Bus Address Lines | 24-bit multiplexed address/data bus for NOR/NAND flash, SRAM, or FPGA interfacing |
Key Features
| Feature | Design Value |
|---|---|
| APIX Interface Support | Integrated APIX PHY and 2× AIC blocks enable 500 Mbps pixel streaming and sideband data at 62.5–20.83 Mbps |
| Stepper Motor Control | Six independent SMC outputs with programmable current profiles and phase sequencing for analog gauge drivers |
| Functional Safety Architecture | Dual-clock domain TPU, lockstep-ready Cortex-R4, MPU/PPU isolation, and ECC across all memory subsystems |
| Low-Power Operation | Switchable power domains, 16 KB retention RAM, flexible clock gating, and deep-sleep modes with RTC wake-up |
| Debug & Trace | Arm CoreSight-compliant JTAG interface with 8-bit trace width, boundary scan, and secure debug entry |
Applications
| Automotive Instrument Cluster | Virtual Head-Up Display Controller |
|---|---|
|
Use Scenario: Driving digital pointer gauges, LCD backlight dimming, and warning light sequencing in analog-style dashboards. IC Role / Device Role / Timing Role: Real-time motor control hub synchronizing SMC outputs with CAN message timestamps and RTC-driven animation frames. Use Value: Eliminates external stepper drivers and timing ICs; achieves <10 µs jitter on pulse generation for smooth needle motion. |
Use Scenario: Rendering HUD graphics with pixel-aligned overlay, managing thermal throttling, and processing vehicle speed/heading data. IC Role / Device Role / Timing Role: APIX TX master coordinating 500 Mbps pixel stream with synchronized sideband metadata over AIC channels. Use Value: Reduces latency between sensor input and HUD projection by offloading image composition to on-chip AXI RAM and DMA engines. |
| Vehicle Domain Controller | Advanced Driver Assistance System Gateway |
|
Use Scenario: Aggregating CAN/LIN signals from body control modules, executing diagnostic routines, and managing firmware updates. IC Role / Device Role / Timing Role: Central safety monitor enforcing time-triggered communication schedules using TPU deadline timers. Use Value: Ensures deterministic response within 50 µs to critical CAN error frames while maintaining ASIL-B fault containment. |
Use Scenario: Bridging radar, camera, and ultrasonic sensors to central ADAS ECU via CAN FD and LIN networks. IC Role / Device Role / Timing Role: High-bandwidth sensor fusion node performing timestamp alignment, CRC validation, and priority-based message queuing. Use Value: Supports concurrent 3× CAN FD (5 Mbps) streams with hardware FIFOs, reducing host CPU load by >70% versus software polling. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP S32K344 | Arm Cortex-M7 core, 320 MHz max, 4 MB Flash, no integrated APIX or SMC; uses external SerDes for display links | Targeted at general-purpose ADAS domain control, not optimized for analog gauge or HUD pixel transport | Select when higher compute throughput is needed and display interface is handled externally |
| Renesas RH850/U2A | 32-bit proprietary core, 400 MHz, 8 MB Flash, supports CAN FD and LIN but lacks APIX PHY or stepper control hardware | Focused on powertrain and chassis control; requires external motor drivers and video serializer ICs | Prefer for engine management systems where extended temperature range (-40°C to +150°C) is mandatory |
Compared with MB9DF126PMC-GSK5E2, the S32K344 offers greater raw performance but adds BOM cost and design complexity for display interfaces, while the RH850/U2A delivers higher thermal resilience but omits on-die motor control and pixel streaming-making MB9DF126PMC-GSK5E2 uniquely suited for integrated instrument clusters.
Availability
MB9DF126PMC-GSK5E2 is available at Aetrix Electronics and suitable for automotive instrument clusters, virtual head-up displays, vehicle domain controllers, and ADAS gateway modules requiring stable component supply across long production lifecycles.
Supply support for MB9DF126PMC-GSK5E2 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 global semiconductor leader headquartered in Munich, Germany, specializing in power management, automotive MCUs, and security solutions with strong AEC-Q100 and ISO 26262 certification capabilities.
This device belongs to the Infineon Atlas family of functional-safety microcontrollers designed specifically for automotive digital cockpit and domain controller applications demanding ASIL-B compliance, real-time determinism, and integrated display/motor interfaces.
FAQ
What is the maximum supported external clock frequency for the main oscillator?
The MB9DF126PMC-GSK5E2 accepts an external main clock input from 4 MHz to 8 MHz via X0A/X1A pins. This signal feeds the on-chip PLL, which multiplies it to generate the 128 MHz CPU clock. Operation outside this range may prevent PLL lock or violate timing margins for internal clock domains.
Does this MCU support CAN FD, and what is the highest bit rate achievable?
Yes, all three integrated CAN controllers support CAN FD with bit rates up to 5 Mbps in the data phase. The controllers comply with ISO 11898-1:2015 and include hardware message filtering, TX/RX FIFOs, and loopback self-test modes for functional safety validation.
How is functional safety implemented for memory subsystems?
TCFlash, EEFlash, AXI RAM, TCM RAM, and caches implement SECDED (Single Error Correction, Double Error Detection) ECC. The CRC engine performs background scrubbing and generates interrupts on uncorrectable errors. BootROM integrity is verified at power-on via CRC-32 checksum.
Can the 16 KB RetRAM retain data during full power-down?
Yes-the 16 KB RetRAM retains data when only VBAT (backup supply) is active and main VDD is removed. It supports ultra-low leakage (<1 µA typical) and maintains contents across cold cranking events and battery disconnect scenarios, preserving calibration data and odometer values.
MB9DF126PMC-GSK5E2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 176-LQFP
- Series:
- FCR4 MB9DF126
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-R4
- Core Size:
- 32-Bit Single-Core
- Speed:
- 128MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, LINbus, SPI, UART/USART
- Peripherals:
- DMA, I2S, LVD, POR, PWM, WDT
- Number of I/O:
- 141
- Program Memory Size:
- 2MB (2M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 64K x 8
- RAM Size:
- 208K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.1V ~ 5.5V
- Data Converters:
- A/D 50x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MB9DF126PMC-GSK5E2 FAQ
1.How can I place an order for MB9DF126PMC-GSK5E2 through Aetrix?
Please submit a Request for Quotation (RFQ) for MB9DF126PMC-GSK5E2 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 MB9DF126PMC-GSK5E2 reliable?
The price and inventory of MB9DF126PMC-GSK5E2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MB9DF126PMC-GSK5E2 is usually 5 days.
3.What payment methods are accepted for MB9DF126PMC-GSK5E2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MB9DF126PMC-GSK5E2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MB9DF126PMC-GSK5E2?
MB9DF126PMC-GSK5E2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MB9DF126PMC-GSK5E2 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 MB9DF126PMC-GSK5E2?
For technical support, including MB9DF126PMC-GSK5E2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MB9DF126PMC-GSK5E2 requirements.
6.How does Aetrix verify that MB9DF126PMC-GSK5E2 is sourced from the original manufacturer or authorized distributors?
All MB9DF126PMC-GSK5E2 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 MB9DF126PMC-GSK5E2 meets industry standards.
7.What is the process for return or replacement of MB9DF126PMC-GSK5E2?
All MB9DF126PMC-GSK5E2 units undergo pre-shipment inspection (PSI). If there is an issue with MB9DF126PMC-GSK5E2, 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 MB9DF126PMC-GSK5E2 part is unused and in its original packaging.
Return procedure for MB9DF126PMC-GSK5E2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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