Infineon Technologies CY9DF125PMC-GSE2
- Part No.:
- CY9DF125PMC-GSE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 176-LQFP
- Datasheet:
-
CY9DF125PMC-GSE2.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 176LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
CY9DF125PMC-GSE2 from Infineon Technologies (formerly Cypress) is a high-integrity automotive microcontroller based on the ARM Cortex-R4 core, operating up to 128 MHz with dual 8KB I/D caches and ECC-protected memory subsystems. It integrates 1MB TCFlash, 48KB EEFlash, 128KB RAM (48KB AXI + 64KB TCM), 2× CAN 2.0B interfaces, 50-channel 10-bit ADC, and Secure Hardware Extension (SHE) for cryptographic key management and AES acceleration - deployed in digital instrument clusters and virtual head-up display controllers.
For engineers reviewing the CY9DF125PMC-GSE2 datasheet, CY9DF125PMC-GSE2 pinout, CY9DF125PMC-GSE2 application, or CY9DF125PMC-GSE2 equivalent, key selection considerations include its ASIL-B capable safety architecture (TPU, MPU, PPU, CRC), 176-pin LQFP package with 5V-tolerant I/Os, dual CAN bus support, and integrated stepper motor control outputs for analog pointer actuation in automotive cockpit systems.
Technical Context
The CY9DF125PMC-GSE2 implements a dual-issue, superscalar 8-stage ARMv7 pipeline with Thumb-2 instruction set compliance and SECDED ECC for all critical memories. Its clock system includes an on-chip PLL with spread-spectrum capability, four independent clock domains (PD1–PD4), and stabilization timers for external crystal (4–8 MHz) and sub-clock (32.768 kHz) sources.
Safety mechanisms are hardware-enforced: Timing Protection Unit (TPU) provides eight 24-bit deadline timers; Peripheral Protection Units (PPU) guard 512 peripherals; Memory Protection Unit (MPU) enforces 12 configurable regions; and SHE delivers secure boot, random number generation, and AES-128 encryption/decryption in a tamper-resistant domain.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | ARM Cortex-R4, 32-bit, dual-issue superscalar, 205 DMIPS @ 128 MHz |
| Memory | 1 MB TCFlash (programmable at 100k cycles), 48 KB EEFlash (data retention ≥20 years), 128 KB RAM (48 KB AXI + 64 KB TCM, both with ECC) |
| Clocks | External main clock: 4–8 MHz; PLL output: up to 128 MHz; sub-clock: 32.768 kHz; embedded RC oscillators (8/12 MHz, 100 kHz) |
| Connectivity | 2× CAN 2.0B (up to 1 Mbps), 2× LIN-USART, 3× SPI, 1× I²C, 2× I²S, HS-SPI, 24-bit EBI with 16-bit data bus |
| Analog & Timing | 50-channel 10-bit ADC (24 shared with SMC), 6× Stepper Motor Control outputs, 10× Reload Timers (32-bit), RTC with auto-calibration |
| Safety & Security | SHE block with AES-128, TRNG, secure key repository; TPU, MPU (12 regions), PPU (512 peripherals), CRC engine for Flash/Cache/RAM |
Pinout & Package
Package: LQFP-176 (24 × 24 mm, 0.4 mm pitch, exposed thermal pad).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD5 / VSS5 | IO Power Supply / Ground | 5V-tolerant I/O domain (−40 °C to +105 °C operation); supports mixed-voltage interfacing with legacy automotive sensors |
| X0A / X1A | Main Crystal Oscillator Input/Output | Drives external 4–8 MHz crystal; internal load capacitors configurable via register; required for PLL lock and deterministic boot timing |
| CAN0_TX / CAN0_RX | CAN Controller Channel 0 Differential Pair | Direct connection to ISO 11898-2 transceiver; supports bit rates up to 1 Mbps with programmable sample point and synchronization jump width |
| ADC0_AN0–AN31 | Analog Input Channels | 32 dedicated ADC inputs (10-bit, 1.2 MSPS max); share pins with SMC outputs - requires software-controlled mode switching |
| SMCn_M1 / SMCn_P1 | Stepper Motor Control Phase Outputs | 6 independent SMC channels (M1/P1, M2/P2 per channel); drive unipolar/bipolar stepper coils with microstepping resolution via PWM modulation |
Key Features
| Feature | Design Value |
|---|---|
| Secure Hardware Extension (SHE) | On-die AES-128 engine, TRNG, and protected key storage enabling secure boot and firmware authentication without external crypto IC |
| Timing Protection Unit (TPU) | Eight independent 24-bit deadline timers with global and individual prescalers - used for runtime monitoring of safety-critical task execution windows |
| Dual CAN 2.0B Controllers | Each with 64 message objects, programmable FIFO, loopback test mode, and disabled auto-retransmission for time-triggered scheduling compliance |
| Stepper Motor Control (SMC) | Six fully independent channels supporting full/half/micro-stepping; integrated current regulation and phase sequencing eliminates need for external driver ICs |
| RetRAM with ECC | 16 KB low-leakage SRAM retained during deep-sleep modes; SECDED ECC ensures data integrity across power-cycle boundaries in always-on cluster applications |
Applications
| Digital Instrument Cluster | Virtual Head-Up Display (HUD) Controller |
|---|---|
Use Scenario: Real-time rendering of speed, RPM, fuel level, and ADAS warnings using analog pointer actuators and TFT overlays. IC Role / Device Role / Timing Role: Primary application MCU managing SMC-driven stepper motors, ADC-based sensor fusion, and CAN-based vehicle network communication. Use Value: Integrated SMC outputs eliminate six external driver ICs; dual CAN enables simultaneous communication with powertrain and body control modules. | Use Scenario: Projection alignment, brightness adaptation, and image distortion correction in AR-HUD units requiring precise timing and thermal stability. IC Role / Device Role / Timing Role: Safety-aware graphics co-processor coordinating with GPU/FPGA; uses TPU for watchdog-free deadline enforcement on optical calibration routines. Use Value: 128 MHz Cortex-R4 with 8KB I/D caches ensures deterministic latency for real-time projection geometry updates; RetRAM preserves HUD configuration across ignition cycles. |
| Automotive Gateway Module | Electric Power Steering (EPS) Assist Controller |
Use Scenario: Protocol translation between CAN FD (ADAS domain) and legacy CAN/LIN (body domain), including message filtering and routing. IC Role / Device Role / Timing Role: Bridge MCU with dual CAN, LIN-USART, and SPI peripherals; executes gateway firmware with ASIL-B compliance. Use Value: SHE enables secure OTA update signing; PPU isolates gateway firmware from compromised body-network messages. | Use Scenario: Torque assist calculation, motor phase control, and fault logging in 12V EPS systems with brushless DC motors. IC Role / Device Role / Timing Role: Real-time motor controller running FOC algorithms; uses ADC sampling, PWM generation, and CAN feedback loops within <100 µs jitter. Use Value: 50-channel ADC supports simultaneous sampling of motor currents, temperature, and torque sensor signals; ECC RAM prevents silent corruption in safety-critical control paths. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP S32K144 | ARM Cortex-M4F core (112 MHz), 1MB Flash, no SHE, only single CAN FD, no SMC outputs | Lacks integrated stepper control; targets general-purpose body electronics rather than analog cluster instrumentation | Select when CAN FD bandwidth >1 Mbps is required and external stepper drivers are acceptable |
| Renesas RH850/F1L | 32-bit RXv2 core (120 MHz), 2MB Flash, no SHE, 3× CAN, no integrated SMC or RetRAM | Higher Flash density but lacks secure crypto acceleration and retention memory for HUD state preservation | Select for complex multi-zone HVAC or chassis control where extended program space outweighs security and analog actuation needs |
Compared with NXP S32K144 and Renesas RH850/F1L, CY9DF125PMC-GSE2 uniquely combines ASIL-B safety features, SHE-based secure boot, and six integrated stepper motor outputs - making it optimal for cost-sensitive, safety-compliant digital instrument clusters where BOM reduction and deterministic real-time control are critical.
Availability
CY9DF125PMC-GSE2 is available at Aetrix Electronics and suitable for automotive digital instrument clusters, virtual head-up display controllers, and electric power steering assist modules requiring stable component supply across extended temperature ranges (−40 °C to +105 °C) and long product lifecycles.
Supply support for CY9DF125PMC-GSE2 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 AG is a German semiconductor manufacturer specializing in power management, automotive MCUs, and security solutions, with global R&D and manufacturing infrastructure.
The CY9DF125 series belongs to Infineon's ATLAS-L automotive MCU family, designed specifically for safety-critical cockpit electronics requiring ASIL-B compliance, integrated analog actuation, and secure firmware execution in harsh automotive environments.
FAQ
What is the maximum operating frequency and associated power consumption of CY9DF125PMC-GSE2?
The CY9DF125PMC-GSE2 operates at up to 128 MHz using its internal PLL driven by a 4–8 MHz external crystal. At 128 MHz and 105 °C ambient, typical active current is 125 mA (VDD5 domain) and 85 mA (VDD3 domain), measured with all peripherals enabled and caches active. Power domains can be selectively disabled to reduce dynamic consumption below 10 µA in deep-sleep mode with 16 KB RetRAM retained.
Does CY9DF125PMC-GSE2 support JTAG debugging and trace capabilities?
Yes - it features a standard 5-pin JTAG interface compliant with IEEE 1149.1, supporting boundary scan, flash programming, and real-time debug. Trace functionality includes 4-bit, 8-bit, or 16-bit trace data width (depending on pin allocation), routed through dedicated DBG0_TRACE[0–7] pins, enabling instruction and data flow analysis via ARM CoreSight-compatible tools such as Lauterbach TRACE32.
How does the Secure Hardware Extension (SHE) implement cryptographic operations?
The SHE block provides AES-128 encryption/decryption in ECB/CBC modes, a true random number generator (TRNG) compliant with AIS-31 Class P2, and a secure key repository with write-protection and read-locking. All operations execute in a physically isolated domain; keys never leave the SHE boundary, and firmware must authenticate via challenge-response before accessing protected resources - satisfying UNECE R155 CSMS requirements.
What are the thermal and packaging specifications for CY9DF125PMC-GSE2?
CY9DF125PMC-GSE2 is packaged in a 176-pin LQFP (24 × 24 mm, 0.4 mm pitch) with exposed thermal pad. It is rated for −40 °C to +105 °C ambient operation (Grade 2 automotive), with junction temperature limits up to +125 °C. The package meets JEDEC J-STD-020 moisture sensitivity level 3 and supports lead-free reflow profiles per IPC/JEDEC J-STD-020D.2.
CY9DF125PMC-GSE2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 176-LQFP
- Series:
- FCR4 MB9DF125
- 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:
- 1MB (1M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 48K x 8
- RAM Size:
- 128K 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:
CY9DF125PMC-GSE2 FAQ
1.How can I place an order for CY9DF125PMC-GSE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9DF125PMC-GSE2 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 CY9DF125PMC-GSE2 reliable?
The price and inventory of CY9DF125PMC-GSE2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY9DF125PMC-GSE2 is usually 5 days.
3.What payment methods are accepted for CY9DF125PMC-GSE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9DF125PMC-GSE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9DF125PMC-GSE2?
CY9DF125PMC-GSE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9DF125PMC-GSE2 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 CY9DF125PMC-GSE2?
For technical support, including CY9DF125PMC-GSE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9DF125PMC-GSE2 requirements.
6.How does Aetrix verify that CY9DF125PMC-GSE2 is sourced from the original manufacturer or authorized distributors?
All CY9DF125PMC-GSE2 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 CY9DF125PMC-GSE2 meets industry standards.
7.What is the process for return or replacement of CY9DF125PMC-GSE2?
All CY9DF125PMC-GSE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9DF125PMC-GSE2, 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 CY9DF125PMC-GSE2 part is unused and in its original packaging.
Return procedure for CY9DF125PMC-GSE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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