Infineon Technologies CY9DF125EBPMC-GSE2
- Part No.:
- CY9DF125EBPMC-GSE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 176-LQFP
- Datasheet:
-
CY9DF125EBPMC-GSE2.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 176LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:4,959
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Product details
Overview
CY9DF125EBPMC-GSE2 from Infineon Technologies (formerly Cypress) is an automotive-grade 32-bit ARM Cortex-R4 microcontroller with integrated safety and security features. It delivers 205 DMIPS at up to 128 MHz via internal PLL, includes 1 MB TCFlash, 48 KB EEFlash, 128 KB RAM with ECC, dual CAN 2.0B interfaces, 50-channel 10-bit ADC, and Secure Hardware Extension (SHE) for cryptographic key storage and AES encryption. It targets instrument cluster and virtual head unit controllers in vehicles operating from −40 °C to +105 °C.
For engineers reviewing the CY9DF125EBPMC-GSE2 datasheet, CY9DF125EBPMC-GSE2 pinout, CY9DF125EBPMC-GSE2 application, or CY9DF125EBPMC-GSE2 equivalent, this page provides verified technical context, package mapping to LQFP-176, validated pin functions, real-world timing and memory protection capabilities, and confirmed alternative MCUs for automotive control domain migration.
Technical Context
The CY9DF125EBPMC-GSE2 implements a dual-issue superscalar 8-stage pipeline Cortex-R4 core compliant with ARMv7 and Thumb-2, featuring 8KB I-Cache and 8KB D-Cache with 4-way associativity. It integrates a Timing Protection Unit (TPU) with eight 24-bit timers supporting deadline, inter-arrival, and locking time monitoring, plus a Peripheral Protection Unit (PPU) enforcing access control across 512 peripherals and GPIOs.
Its clock system combines external crystal (4–8 MHz), sub-clock (32.768 kHz), embedded RC oscillators (8/12 MHz, 100 kHz), and a spread-spectrum-capable PLL for deterministic 128 MHz CPU operation. Memory subsystem includes SECDED ECC on AXI RAM (48 KB), TCM RAM (64 KB), and RetRAM (16 KB), with BootROM (16 KB) enabling secure boot.
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 Operating Frequency | 128 MHz via internal PLL - enables deterministic real-time execution for automotive clusters |
| Memory | 1 MB TCFlash (programmable), 48 KB EEFlash (data retention), 128 KB RAM with ECC (48 KB AXI + 64 KB TCM + 16 KB RetRAM) |
| Connectivity | Dual CAN 2.0B (up to 1 Mbps), 2 LIN-USART, 3 SPI, 1 I²C, 2 I²S, HS-SPI, 24-bit EBI interface |
| Safety & Security | MPU (12 regions), PPU (512 peripherals), TPU (8 timers), CRC (Flash/Cache/RAM), SHE with AES engine and secure key repository |
| Analog & Timing | 50-channel 10-bit ADC (24 shared with SMC), 6 SMC outputs, 10 RLT channels, RTC with auto-calibration |
| Operating Range | −40 °C to +105 °C ambient temperature - qualified for automotive AEC-Q100 Grade 2 |
Pinout & Package
Package: LQFP-176 (24 × 24 mm, 0.4 mm pitch), RoHS-compliant, lead-free, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD5 / VSS5 | 5V I/O power supply / ground | Supports 5V-tolerant GPIOs - simplifies interface with legacy automotive sensors and displays |
| X0A / X1A | Main crystal oscillator input/output | Drives 4–8 MHz external crystal - primary clock source for PLL and system timing |
| RTC_WOT / RTC_WOTX | Real-time clock wake-up output / inverted | Generates precise 32.768 kHz wakeup signal - enables low-power sleep mode with sub-second timing accuracy |
| CAN0_TX / CAN0_RX | Channel 0 CAN differential transmitter/receiver | Direct connection to CAN transceiver - supports fault-tolerant communication in instrument cluster networks |
| ADC0_AN0–AN31 | Analog input channels 0–31 | First 32 of 50 ADC inputs - routed to dedicated analog front-end with programmable sampling rate (500 Hz–16 MHz) |
| SMCn_M1 / SMCn_P1 | Stepper motor control phase/microstep outputs | Drive precision pointer motors in analog gauges - six independent SMC units enable multi-gauge concurrent control |
Key Features
| Feature | Design Value |
|---|---|
| Secure Hardware Extension (SHE) | On-chip AES-128 engine, true random number generator, and tamper-resistant key storage - meets ISO 15408 EAL4+ requirements for automotive firmware integrity |
| Timing Protection Unit (TPU) | Eight independent 24-bit timers with global and individual prescalers - enforces hard real-time deadlines for safety-critical gauge updates and CAN message scheduling |
| Peripheral Protection Unit (PPU) | Granular access control per peripheral and GPIO channel - prevents unauthorized register writes during runtime, satisfying ASIL-B functional safety requirements |
| High-Speed SPI (HS-SPI) | Memory-mapped quad-SPI interface - enables direct code execution from external flash without CPU intervention, reducing boot latency by >40% |
| 16 KB Retention RAM | Retains critical state data (e.g., odometer, trip counters) during deep sleep - powered independently from main domain, eliminating backup battery dependency |
Applications
| Classical Automotive Instrument Cluster | Virtual Cluster Controller |
|---|---|
Use Scenario: Analog pointer-based speedometer, tachometer, fuel, and temperature gauges driven by stepper motors in ICE vehicles. IC Role / Device Role / Timing Role: Primary real-time controller managing SMC outputs, ADC sensor reads (coolant temp, oil pressure), CAN message parsing (vehicle speed, RPM), and RTC-synchronized gauge animation. Use Value: Six SMC channels drive up to six independent analog dials concurrently; 50-channel ADC monitors all critical vehicle parameters without external multiplexing. | Use Scenario: Digital LCD-based instrument cluster rendering dynamic graphics, warning icons, and driver assistance overlays in EVs and premium vehicles. IC Role / Device Role / Timing Role: Application processor handling GUI rendering logic, CAN/LIN gateway between ADAS and body domains, and secure boot verification for OTA update integrity. Use Value: SHE-enabled secure boot ensures only signed firmware executes; dual CAN interfaces isolate safety-critical (powertrain) and non-critical (infotainment) traffic. |
| Head Unit Display Controller | Vehicle Domain Controller (Entry-Level) |
Use Scenario: Central display unit integrating audio, navigation, climate, and vehicle settings in compact cars. IC Role / Device Role / Timing Role: System-on-chip managing I²S audio playback, SPI-connected touchscreen controller, LIN-connected HVAC actuators, and USB/EBI expansion interfaces. Use Value: Integrated 2-channel I²S and 3-channel SPI eliminate need for companion audio or display bridge ICs; 24-bit EBI supports high-resolution display frame buffers. | Use Scenario: Consolidated electronic control unit replacing multiple discrete ECUs in entry-level vehicles (e.g., lighting, wipers, door locks). IC Role / Device Role / Timing Role: Safety-aware domain manager executing ASIL-B software partitions, monitoring watchdogs, performing CRC checks on Flash and RAM, and coordinating cross-domain CAN messages. Use Value: TPU and MPU enforce temporal and spatial isolation between software modules; ECC RAM prevents silent data corruption in long-life automotive deployments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SPC5744PFK1AKLQ | Power Architecture (e200z4), 160 MHz, 2 MB Flash, no SHE, ASIL-D certified | Targeted at higher-ASIL powertrain applications; lacks integrated audio (I²S) and stepper motor control | Select when ASIL-D compliance is mandatory and SMC/I²S are not required |
| TC375LPDCAKXUMA1 | TriCore™ AURIX™, 300 MHz, 4 MB Flash, HSM security module, 6x CAN FD | Designed for zonal architecture with CAN FD backbone; higher performance but larger footprint and cost | Select for next-gen vehicle architectures requiring CAN FD and hardware security module (HSM) beyond SHE |
Compared with SPC5744P and TC375L, the CY9DF125EBPMC-GSE2 offers optimal balance of integrated stepper control, audio interface, and SHE-based security for cost-sensitive instrument clusters - delivering full functionality in LQFP-176 without requiring external drivers or crypto accelerators.
Availability
CY9DF125EBPMC-GSE2 is available at Aetrix Electronics and suitable for automotive instrument clusters, virtual head units, and entry-level domain controllers requiring stable component supply, AEC-Q100 qualification, and long-term lifecycle support.
Supply support for CY9DF125EBPMC-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, 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 real-time instrument cluster and digital cockpit applications requiring functional safety, embedded security, and mixed-signal integration.
FAQ
What is the maximum operating frequency and how is it achieved?
The CY9DF125EBPMC-GSE2 achieves a maximum CPU frequency of 128 MHz using its on-chip Phase-Locked Loop (PLL), which multiplies an external 4–8 MHz crystal input. The PLL supports spread-spectrum clock generation to reduce EMI, and its output is directly supplied to the Cortex-R4 core. This configuration is validated across the full −40 °C to +105 °C temperature range and requires no external clock synthesizer.
Does this MCU support secure boot and cryptographic operations?
Yes - the device integrates a Secure Hardware Extension (SHE) module compliant with ISO 15408 EAL4+. It provides AES-128 encryption/decryption, a true random number generator, and a tamper-resistant repository for cryptographic keys. Boot-ROM (16 KB) enforces secure boot by verifying digital signatures of firmware images before execution, preventing unauthorized code injection.
How many CAN interfaces does it have, and what protocol versions are supported?
The CY9DF125EBPMC-GSE2 integrates two independent CAN controllers compliant with ISO 11898-1:2015 (CAN 2.0B). Each supports bit rates up to 1 Mbps, 64 message objects with configurable identifier masks, programmable FIFO modes, and loop-back self-test. Neither controller supports CAN FD; they are optimized for classical automotive body and chassis networks.
Is external memory expansion supported, and what interface is used?
Yes - the MCU supports external memory expansion via a 24-bit address / 16-bit data External Bus Interface (EBI). It provides dedicated control signals including EBI_MCSX0–3 (chip selects), EBI_MCLK (clock), EBI_MRASX/EBI_MCASX (row/column address strobes), and EBI_MDQM0–1 (data mask). This interface enables connection to SRAM, NOR flash, or LCD frame buffers without requiring glue logic.
CY9DF125EBPMC-GSE2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 176-LQFP
- Series:
- -
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- -
- Core Size:
- -
- Speed:
- -
- Connectivity:
- -
- Peripherals:
- -
- Number of I/O:
- -
- Program Memory Size:
- -
- Program Memory Type:
- -
- EEPROM Size:
- -
- RAM Size:
- -
- Voltage - Supply (Vcc/Vdd):
- -
- Data Converters:
- -
- Oscillator Type:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY9DF125EBPMC-GSE2 FAQ
1.How can I place an order for CY9DF125EBPMC-GSE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9DF125EBPMC-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 CY9DF125EBPMC-GSE2 reliable?
The price and inventory of CY9DF125EBPMC-GSE2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY9DF125EBPMC-GSE2 is usually 5 days.
3.What payment methods are accepted for CY9DF125EBPMC-GSE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9DF125EBPMC-GSE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9DF125EBPMC-GSE2?
CY9DF125EBPMC-GSE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9DF125EBPMC-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 CY9DF125EBPMC-GSE2?
For technical support, including CY9DF125EBPMC-GSE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9DF125EBPMC-GSE2 requirements.
6.How does Aetrix verify that CY9DF125EBPMC-GSE2 is sourced from the original manufacturer or authorized distributors?
All CY9DF125EBPMC-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 CY9DF125EBPMC-GSE2 meets industry standards.
7.What is the process for return or replacement of CY9DF125EBPMC-GSE2?
All CY9DF125EBPMC-GSE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9DF125EBPMC-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 CY9DF125EBPMC-GSE2 part is unused and in its original packaging.
Return procedure for CY9DF125EBPMC-GSE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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