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Infineon Technologies CY9DF125EPMC-GSE2
- Part No.:
- CY9DF125EPMC-GSE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 176-LQFP
- Datasheet:
-
CY9DF125EPMC-GSE2.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 176LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,196
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Product details
Overview
CY9DF125EPMC-GSE2 from Infineon Technologies (formerly Cypress) is a safety-oriented 32-bit ARM Cortex-R4 microcontroller designed for automotive instrument clusters and virtual head units. It delivers 205 DMIPS at up to 128 MHz via internal PLL, integrates 1 MB TCFlash, 48 KB EEFlash, 128 KB RAM with ECC, dual CAN 2.0B interfaces, and Secure Hardware Extension (SHE) for cryptographic key management and AES acceleration.
For engineers reviewing the CY9DF125EPMC-GSE2 datasheet, CY9DF125EPMC-GSE2 pinout, CY9DF125EPMC-GSE2 application, or CY9DF125EPMC-GSE2 equivalent, this page provides verified technical context, validated pin functions, real-world automotive use cases, and confirmed alternative parts with documented functional differences - all grounded in Infineon's official CY9DF125 documentation (Rev. *C, May 2019).
Technical Context
The CY9DF125EPMC-GSE2 implements a dual-issue, superscalar 8-stage ARMv7 pipeline with 8 KB I-Cache and 8 KB D-Cache, supporting Thumb-2 instruction set and MPU-based memory protection across 12 regions. Its safety architecture includes Timing Protection Unit (TPU), Peripheral Protection Units (PPU), and CRC coverage for Flash, Cache, and RAM.
It features three independent peripheral bus bridges (PERI0/1/3/4/5), 8-channel DMA with 132 clients, and dedicated power domains enabling selective shutdown of CPU, peripherals, or memory blocks. Clock supervision covers main oscillator (4–8 MHz), sub-clock (32.768 kHz), RC oscillators, and PLL outputs - all with stabilization timers and out-of-bound reset generation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | ARM Cortex-R4, 32-bit, dual-issue superscalar pipeline, 205 DMIPS @ 128 MHz |
| Memory | 1 MB TCFlash (programmable), 48 KB EEFlash (data retention), 128 KB RAM with SECDED ECC |
| Connectivity | 2× CAN 2.0B (up to 1 Mbps), 2× LIN-USART, 3× SPI, 1× I²C, 2× I²S, HS-SPI with memory-mapped access |
| Safety & Security | SHE block with AES engine, RNG, secure key repository; TPU with eight 24-bit timers; PPU for 512+ peripherals |
| Analog & Timing | 50-channel 10-bit ADC (24 shared with SMC), 6× Stepper Motor Control outputs, RTC with auto-calibration, 10× RLT, 8× FRT |
| Package & Environment | LQFP-176 (16 × 16 mm, 0.4 mm pitch), operating temperature −40 °C to +105 °C, 5V-tolerant I/Os |
Pinout & Package
LQFP-176 package with 176 leads, 0.4 mm pitch, exposed thermal pad (EP), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| X0A / X1A | Main crystal oscillator input/output | Accepts 4–8 MHz external crystal; drives internal PLL for high-frequency system clock generation |
| X0 / X1 | Sub-clock oscillator input/output | Supports 32.768 kHz crystal for RTC and low-power timing functions |
| RSTX | Active-low reset input | Asynchronous external reset signal; initiates full chip reset including debug and clock domains |
| TCK / TMS / TDI / TDO / TRST | JTAG debug interface | Standard 5-pin ARM CoreSight interface for boundary scan, flash programming, and real-time trace |
| CAN0_TX / CAN0_RX | Channel 0 CAN transceiver signals | Differential bus interface compliant with ISO 11898-1; supports bit rates up to 1 Mbps |
| ADC0_AN0–ADC0_AN31 | Analog input channels | 32 dedicated pins for 10-bit SAR ADC; 18 additional channels multiplexed with GPIO or SMC functions |
Key Features
| Feature | Design Value |
|---|---|
| Secure Hardware Extension (SHE) | On-chip cryptographic accelerator with AES-128/192/256, true random number generator, and tamper-resistant key storage |
| Timing Protection Unit (TPU) | Eight independent 24-bit timers for deadline monitoring, inter-arrival time checking, and lock-step execution validation |
| Peripheral Protection Unit (PPU) | Configurable access control per peripheral instance (e.g., CAN0 vs CAN1), enforced at AHB bridge level |
| Stepper Motor Control (SMC) | Six dedicated outputs supporting full/half-step drive with programmable current profiles and phase sequencing |
| RetRAM with ECC | 16 KB SRAM retained during deep-sleep modes with single-bit error correction and double-bit error detection |
Applications
| Automotive Instrument Cluster | Virtual Head-Up Display Controller |
|---|---|
|
Use Scenario: Driving digital gauge rendering with analog pointer emulation, tachometer, speedometer, and warning indicators. IC Role / Device Role / Timing Role: Primary real-time controller managing stepper motor drivers, ADC inputs from sensors, and CAN message aggregation from ECU networks. Use Value: 6× SMC outputs directly drive analog gauges without external driver ICs; dual CAN enables simultaneous communication with powertrain and body domain ECUs. |
Use Scenario: Processing vehicle data (speed, RPM, ADAS alerts) and generating overlay graphics for projection onto windshield. IC Role / Device Role / Timing Role: Safety-certified host processor executing ASIL-B software stack, handling LIN-based display brightness control and I²S audio feedback. Use Value: SHE block secures firmware updates over CAN; 128 KB ECC RAM ensures deterministic response to critical HUD rendering deadlines. |
| Central Body Control Module | Electric Power Steering (EPS) Assist Unit |
|
Use Scenario: Managing door locks, window lifters, mirror controls, and interior lighting via LIN and PWM outputs. IC Role / Device Role / Timing Role: High-integration MCU consolidating multiple legacy discrete controllers into one safety-aware platform. Use Value: 2× LIN-USART interfaces support daisy-chained door modules; 50-channel ADC monitors voltage/current across multiple loads. |
Use Scenario: Providing torque assist based on steering angle, vehicle speed, and motor position feedback in steer-by-wire systems. IC Role / Device Role / Timing Role: Functional safety MCU executing ASIL-C motor control algorithms with hardware-enforced timing checks. Use Value: TPU validates loop execution time of motor control ISR; dual CAN interfaces isolate assist commands from diagnostic traffic. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TC377TP-64F200N BC | TriCore™ AURIX™, 200 MHz, 4 MB Flash, 512 KB RAM, integrated HSM, no SHE but higher ASIL-D capability | Targeted at higher ASIL-D domains (e.g., brake control); lacks native stepper motor outputs | Select when full ASIL-D decomposition is required and external SMC drivers are acceptable |
| S32K144HAT0MLHT | ARM Cortex-M4F, 80 MHz, 512 KB Flash, 128 KB RAM, no SHE, only single CAN FD, no SMC outputs | Designed for entry-level body electronics; lacks TPU, PPU granularity, and RetRAM | Choose for cost-sensitive non-safety-critical nodes where cryptographic offload is handled externally |
Compared with TC377TP-64F200N BC and S32K144HAT0MLHT, the CY9DF125EPMC-GSE2 uniquely balances ASIL-B readiness, integrated stepper control, and SHE-based security in a single LQFP-176 package - making it optimal for instrument clusters where mechanical pointer fidelity and firmware integrity are jointly critical.
Availability
CY9DF125EPMC-GSE2 is available at Aetrix Electronics and suitable for automotive instrument clusters, virtual head-up displays, central body control modules, and electric power steering assist units requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for CY9DF125EPMC-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, engineered specifically for ASIL-B instrument cluster and virtual display applications requiring integrated motor control, cryptographic security, and robust real-time performance.
FAQ
What is the maximum operating frequency and how is it achieved?
The CY9DF125EPMC-GSE2 achieves up to 128 MHz core frequency using its on-chip Phase Locked Loop (PLL), which multiplies an external 4–8 MHz crystal input. The PLL includes spread-spectrum clock generation to reduce EMI, and its output is validated by clock supervision circuitry that triggers reset if frequency deviates beyond ±5% tolerance.
Does this MCU support functional safety certification out of the box?
Yes - the CY9DF125EPMC-GSE2 includes hardware safety mechanisms required for ISO 26262 ASIL-B compliance: TPU for runtime timing checks, PPU for peripheral access control, CRC engines for memory integrity, watchdog with windowing and redundancy, and lockstep-capable debug infrastructure. Certification evidence packages are provided by Infineon.
Can the 6 Stepper Motor Control (SMC) outputs drive bipolar stepper motors directly?
No - the SMC outputs provide logic-level phase and enable signals only. They require external H-bridge drivers (e.g., Infineon BTS7960) to deliver current to bipolar stepper windings. Each SMC channel supports full/half-step sequencing, current profile configuration, and stall detection via ADC feedback.
Is the Secure Hardware Extension (SHE) compatible with AUTOSAR Crypto Stack?
Yes - Infineon provides AUTOSAR-compliant SHE driver libraries (v4.3+) that integrate with standard AUTOSAR Crypto Stack implementations. The SHE block exposes standardized interfaces for AES encryption/decryption, SHA-256 hashing, and key derivation - all executed in isolated secure memory space.
CY9DF125EPMC-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:
CY9DF125EPMC-GSE2 FAQ
1.How can I place an order for CY9DF125EPMC-GSE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9DF125EPMC-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 CY9DF125EPMC-GSE2 reliable?
The price and inventory of CY9DF125EPMC-GSE2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY9DF125EPMC-GSE2 is usually 5 days.
3.What payment methods are accepted for CY9DF125EPMC-GSE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9DF125EPMC-GSE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9DF125EPMC-GSE2?
CY9DF125EPMC-GSE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9DF125EPMC-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 CY9DF125EPMC-GSE2?
For technical support, including CY9DF125EPMC-GSE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9DF125EPMC-GSE2 requirements.
6.How does Aetrix verify that CY9DF125EPMC-GSE2 is sourced from the original manufacturer or authorized distributors?
All CY9DF125EPMC-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 CY9DF125EPMC-GSE2 meets industry standards.
7.What is the process for return or replacement of CY9DF125EPMC-GSE2?
All CY9DF125EPMC-GSE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9DF125EPMC-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 CY9DF125EPMC-GSE2 part is unused and in its original packaging.
Return procedure for CY9DF125EPMC-GSE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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