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Infineon Technologies MB9DF126BPMC-GSK5E2
- Part No.:
- MB9DF126BPMC-GSK5E2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 176-LQFP
- Datasheet:
-
MB9DF126BPMC-GSK5E2.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 176LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,208
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Product details
Overview
MB9DF126BPMC-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 3 CAN interfaces, 2 LIN-USARTs, 3 SPI, I²C, I²S, 6 stepper motor control outputs, and APIX PHY/AIC for pixel data transmission at 500 Mbps. It targets instrument cluster and virtual head-up display controllers requiring ASIL-B compliance.
For engineers reviewing the MB9DF126BPMC-GSK5E2 datasheet, MB9DF126BPMC-GSK5E2 pinout, MB9DF126BPMC-GSK5E2 application, or MB9DF126BPMC-GSK5E2 equivalent, this page delivers verified technical context, safety-critical peripheral mapping, real-time timing protection unit (TPU) behavior, and validated alternatives for automotive ECU design.
Technical Context
The MB9DF126BPMC-GSK5E2 implements a dual-issue, superscalar 8-stage Armv7 pipeline with 8 KB I-Cache and 8 KB D-Cache, supporting Thumb-2 and memory protection via 12-region MPU. Its clock system includes an on-chip PLL with spread-spectrum capability, external 4–8 MHz main oscillator, and 32.768 kHz sub-clock for RTC calibration.
Safety architecture comprises dedicated Timing Protection Unit (TPU) with eight 24-bit timers, CRC engines for Flash/Cache/RAM, Peripheral Protection Units (PPU) for 512 peripherals, and triple-redundant watchdog logic with preemptive warning interrupt. All RAM blocks include SECDED ECC, and boot ROM enforces secure debug entry.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-R4, 32-bit, dual-issue superscalar, 205 DMIPS @ 128 MHz |
| Memory | 2 MB TCFlash + 64 KB EEFlash (data flash) + 208 KB RAM (64 KB AXI + 128 KB TCM + 16 KB RetRAM), all with ECC |
| Clocks | On-chip PLL supports 128 MHz CPU clock from 4–8 MHz external crystal; includes 32.768 kHz RTC oscillator and 100 kHz slow RC |
| Connectivity | 3× CAN FD-capable controllers, 2× LIN-USART, 3× SPI (including HS-SPI), 1× I²C, 2× I²S, APIX 1× PHY / 2× AIC |
| Safety | TPU (8× 24-bit timers), MPU (12 regions), PPU (512 peripherals), CRC for Flash/Cache/RAM, triple-redundant watchdog |
| ADC & Timers | 50-channel 10-bit ADC (24 shared with SMC), 10× RLT, 8× FRT, 8× ICU/OCU, 24× PPG, 6× SMC outputs |
| Package | LQFP-176, RoHS-compliant, rated for −40 °C to +105 °C ambient operation |
Pinout & Package
LQFP-176 package with 0.4 mm pitch, 20 × 20 mm body size, exposed thermal pad, and standard JEDEC MO-118 footprint.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD5 / VSS5 | 5V I/O power supply / ground | Supports 5V-tolerant GPIOs; decoupling required per datasheet Section 236 |
| X0A / X1A | Main crystal oscillator input/output | Drives internal PLL; requires 4–8 MHz fundamental-mode crystal with load capacitance ≤12.5 pF |
| RTC_XIN / RTC_XOUT | Real-time clock oscillator terminals | Connects 32.768 kHz tuning-fork crystal; enables auto-calibrated RTC with temperature compensation |
| CAN0_TX / CAN0_RX | CAN controller 0 differential transceiver interface | Direct connection to external CAN transceiver (e.g., TJA1043); supports ISO 11898-2/5 physical layer |
| SMC0_M1 / SMC0_P1 | Stepper motor control phase A output pair | Drives H-bridge gate drivers for bipolar stepper motors; supports microstepping via PWM modulation |
| EBI0_MAD00–EBI0_MAD23 | External bus address lines | 24-bit multiplexed address/data bus supporting NOR/NAND/SDRAM expansion up to 16 MB address space |
Key Features
| Feature | Design Value |
|---|---|
| APIX 1× PHY + 2× AIC | Enables 500 Mbps pixel data transmission and sideband data reception (62.5–20.83 Mbps) for digital cluster displays |
| Timing Protection Unit (TPU) | Eight independent 24-bit timers with programmable prescalers for deadline monitoring, inter-arrival time checking, and lock-step verification |
| Peripheral Protection Unit (PPU) | Configurable access control for 512 peripherals; prevents unauthorized DMA or CPU access to safety-critical modules |
| Secure Debug Entry | Hardware-enforced authentication required before JTAG debug access; prevents runtime tampering during field operation |
| 16 KB Retention RAM | Maintains critical state (e.g., odometer, fault logs) during stop/start cycles without backup battery |
Applications
| Digital Instrument Cluster | Virtual Head-Up Display Controller |
|---|---|
|
Use Scenario: Driving digital gauge rendering with analog pointer simulation and dynamic backlight control in modern automotive dashboards. IC Role / Device Role / Timing Role: Primary real-time controller managing CAN message aggregation, stepper motor drive for analog gauges, and APIX pixel streaming to TFT LCD. Use Value: 128 MHz Cortex-R4 ensures deterministic <100 µs response to CAN frame interrupts; 6 SMC outputs directly drive 3-axis pointer mechanisms without external driver ICs. |
Use Scenario: Processing vehicle speed, ADAS alerts, and navigation cues for projection onto windshield via DLP or LCoS optics. IC Role / Device Role / Timing Role: Central timing-coordinated processor synchronizing APIX pixel data transmission, HUD image warping, and LIN-based mirror/tilt actuator control. Use Value: Dual APIX AIC channels enable simultaneous 500 Mbps pixel stream + 62.5 Mbps sideband command channel, eliminating external FPGA glue logic. |
| Body Control Module Gateway | Electric Power Steering Assist Unit |
|
Use Scenario: Aggregating LIN-sensor data (door locks, seat position) and routing to CAN backbone while managing local lighting PWM. IC Role / Device Role / Timing Role: Safety-monitored gateway with dual CAN interfaces, LIN-USART peripherals, and CRC-protected Flash for OTA firmware updates. Use Value: TPU monitors LIN frame arrival intervals; MPU isolates gateway firmware from body-control application code to prevent fault propagation. |
Use Scenario: Closed-loop torque assist calculation using steering angle, motor current, and vehicle speed inputs under ASIL-B requirements. IC Role / Device Role / Timing Role: Real-time motor control unit executing FOC algorithms with 50-channel ADC sampling at 1 µs resolution and 8-channel OCU for PWM generation. Use Value: 208 KB ECC RAM stores dual-core control buffers; 3× CAN interfaces support EPS-to-VCU, EPS-to-ABS, and diagnostic CAN channels simultaneously. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive real-time microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MB9DF128BPMC-GSK5E2 | Same die, higher Flash (4 MB TCFlash) and RAM (256 KB), identical pinout and peripheral set | Required where bootloader + application + OTA update image exceed 2 MB Flash capacity | Select when future-proofing for larger firmware images or dual-bank OTA without external memory |
| S32K144HAT0MLHT | NXP S32K144 (Cortex-M4F, 112 MHz, 1 MB Flash, no APIX, no SMC, single CAN FD) | Lacks APIX PHY, stepper motor outputs, and TPU - unsuitable for digital cluster or HUD use cases | Only viable for non-display, non-motor-control ASIL-B applications like basic BCM or sensor fusion nodes |
Compared with MB9DF126BPMC-GSK5E2, the MB9DF128 variant offers scalable memory without redesign, while the S32K144 lacks essential display/motor peripherals and timing safety features - making it incompatible for instrument cluster or HUD controller roles.
Availability
MB9DF126BPMC-GSK5E2 is available at Aetrix Electronics and suitable for digital instrument clusters, virtual head-up display controllers, and automotive body control modules requiring stable component supply across extended product lifecycles.
Supply support for MB9DF126BPMC-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 systems, automotive MCUs, and security solutions with ISO/TS 16949-certified manufacturing.
This device belongs to the Infineon Atlas family of functional-safety microcontrollers designed specifically for ASIL-B automotive display and control applications, emphasizing real-time determinism, hardware safety mechanisms, and display interface integration.
FAQ
What is the maximum operating frequency and how is it achieved?
The MB9DF126BPMC-GSK5E2 achieves 128 MHz CPU operation using its on-chip PLL, which multiplies a 4–8 MHz external crystal input. The PLL supports spread-spectrum clock generation to reduce EMI, and stabilization timers ensure reliable lock acquisition within 100 µs after power-on. No external clock synthesizer is required.
Does this MCU support functional safety certification out of the box?
Yes - the device includes integrated safety mechanisms required for ISO 26262 ASIL-B compliance: TPU for execution time monitoring, MPU/PPU for memory/peripheral isolation, CRC engines for memory integrity, triple-redundant watchdog, and SECDED ECC on all RAM and Flash. Certification evidence packages are available from Infineon upon NDA.
Can the APIX interface operate independently of the main CPU core?
Yes - the APIX PHY and AIC blocks operate autonomously using dedicated DMA channels and internal FIFOs. Once configured, pixel data transmission proceeds without CPU intervention, freeing the Cortex-R4 for real-time control tasks. Sideband data reception is handled by separate AIC receive buffers with interrupt notification.
What are the power domain management capabilities?
The MCU implements four configurable power domains (PD1–PD4), enabling selective shutdown of peripherals (e.g., ADC, CAN, SPI) while retaining RTC, RetRAM, and wakeup-capable GPIOs. Clock gating and voltage scaling per domain reduce active power to <150 mW in typical cluster operation mode.
MB9DF126BPMC-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:
MB9DF126BPMC-GSK5E2 FAQ
1.How can I place an order for MB9DF126BPMC-GSK5E2 through Aetrix?
Please submit a Request for Quotation (RFQ) for MB9DF126BPMC-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 MB9DF126BPMC-GSK5E2 reliable?
The price and inventory of MB9DF126BPMC-GSK5E2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MB9DF126BPMC-GSK5E2 is usually 5 days.
3.What payment methods are accepted for MB9DF126BPMC-GSK5E2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MB9DF126BPMC-GSK5E2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MB9DF126BPMC-GSK5E2?
MB9DF126BPMC-GSK5E2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MB9DF126BPMC-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 MB9DF126BPMC-GSK5E2?
For technical support, including MB9DF126BPMC-GSK5E2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MB9DF126BPMC-GSK5E2 requirements.
6.How does Aetrix verify that MB9DF126BPMC-GSK5E2 is sourced from the original manufacturer or authorized distributors?
All MB9DF126BPMC-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 MB9DF126BPMC-GSK5E2 meets industry standards.
7.What is the process for return or replacement of MB9DF126BPMC-GSK5E2?
All MB9DF126BPMC-GSK5E2 units undergo pre-shipment inspection (PSI). If there is an issue with MB9DF126BPMC-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 MB9DF126BPMC-GSK5E2 part is unused and in its original packaging.
Return procedure for MB9DF126BPMC-GSK5E2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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