Infineon Technologies CY9DF125BPMC-GSE2
- Part No.:
- CY9DF125BPMC-GSE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 176-LQFP
- Datasheet:
-
CY9DF125BPMC-GSE2.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 176LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
CY9DF125BPMC-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 1 MB TCFlash, 48 KB EEFlash, and 128 KB RAM with ECC. It integrates dual CAN 2.0B interfaces, 50-channel 10-bit ADC, six stepper motor control outputs, and Secure Hardware Extension (SHE) for cryptographic key storage and AES encryption. It targets instrument cluster and virtual head unit controllers in vehicles rated for −40 °C to +105 °C.
For engineers reviewing the CY9DF125BPMC-GSE2 datasheet, CY9DF125BPMC-GSE2 pinout, CY9DF125BPMC-GSE2 application, or CY9DF125BPMC-GSE2 equivalent, key selection criteria include functional safety support (TPU, MPU, PPU, CRC), dual CAN timing determinism, SHE-based secure boot, and QFP-176 package compatibility with automotive PCB layout constraints.
Technical Context
The CY9DF125BPMC-GSE2 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 a 64-bit AXI master port, SECDED ECC for TCM and SRAM, and a dedicated Timing Protection Unit (TPU) with eight 24-bit timers for deadline monitoring and inter-arrival time enforcement.
Its clock system includes an on-chip PLL for frequency multiplication from external 4–8 MHz resonators, spread-spectrum clock generation (SSCG), and independent clock domains for power domains PD1–PD4. Peripheral protection is enforced via 512-configurable Peripheral Protection Units (PPU), and memory access is governed by a 12-region MPU with background region coverage of the full 4 GB address space.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | ARM Cortex-R4, 205 DMIPS @ 128 MHz - enables real-time deterministic execution for automotive control loops |
| Flash Memory | 1 MB TCFlash + 48 KB EEFlash - supports A/B firmware swapping and EEPROM-like data logging without external components |
| RAM | 128 KB total (48 KB AXI RAM + 64 KB TCM RAM + 16 KB RetRAM), all with ECC - ensures data integrity during runtime and low-power retention |
| Connectivity | 2× CAN 2.0B (up to 1 Mbps), 2× LIN-USART, 3× SPI, 1× I²C, 2× I²S - meets ASAM MCD-2 MC and AUTOSAR COM stack interface requirements |
| Safety Features | TPU (8 timers), MPU (12 regions), PPU (512 peripherals), CRC engine (Flash/Cache/RAM), watchdog with window mode - satisfies ISO 26262 ASIL-B decomposition requirements |
| Security | Secure Hardware Extension (SHE): AES-128, TRNG, secure key repository - enables secure boot, OTA update authentication, and key lifecycle management |
| ADC | 50-channel 10-bit SAR ADC with 24 channels shared with SMC - supports analog sensor acquisition and stepper current sensing in same peripheral |
| Package | LQFP-176, 24 × 24 mm, 0.5 mm pitch - compatible with standard automotive reflow profiles and automated optical inspection (AOI) |
Pinout & Package
Package: LQFP-176 (24 mm × 24 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3 (MSL3).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD5 / VSS5 | 5V I/O supply / ground | Enables 5V-tolerant GPIO operation for legacy automotive sensor interfacing without level shifters |
| X0A / X1A | Main crystal oscillator input/output | Supports 4–8 MHz external resonator for PLL reference; internal load capacitors reduce BOM count |
| CAN0_TX / CAN0_RX | Channel 0 CAN differential signal pair | Direct connection to ISO 11898-2 transceiver; integrated CAN PHY termination resistors optional via register |
| SMC0_M1 / SMC0_P1 | Stepper motor phase A enable & polarity | Drives unipolar/bipolar stepper coils with programmable current regulation and microstepping via PWM sync |
| ADC0_AN0–AN31 | Analog input channels | Shared with SMC pins; configurable as analog inputs or stepper control signals - reduces pin count for multi-function designs |
| JTAG_TCK / JTAG_TDO / JTAG_TDI / JTAG_TMS / JTAG_nTRST | ARM CoreSight debug interface | Standard 5-pin JTAG for production programming, boundary scan, and real-time trace with minimal footprint |
Key Features
| Feature | Design Value |
|---|---|
| Dual CAN 2.0B with FIFO and loopback | 64 message objects per channel, programmable identifier masks, and self-test capability reduce software overhead and accelerate AUTOSAR CAN driver validation |
| Stepper Motor Control (6 channels) | Integrated up/down counters, pulse generators, and current sense ADC sharing enable closed-loop position control without external drivers or FPGA logic |
| Secure Hardware Extension (SHE) | Hardware-accelerated AES-128, true random number generator, and tamper-resistant key vault eliminate need for external secure element in entry-level automotive telematics |
| Timing Protection Unit (TPU) | Eight independent 24-bit timers with global and individual prescalers enforce hard real-time deadlines for safety-critical tasks like pointer animation or warning light sequencing |
| Flexible Power Domains (PD1–PD4) | Independent clock gating and voltage domain control allow selective shutdown of non-active peripherals - reduces active current to <10 mA in partial sleep modes |
Applications
| Instrument Cluster Pointer Control | Virtual Head Unit Controller |
|---|---|
Use Scenario: Driving analog gauge pointers (fuel, speed, tachometer) using stepper motors with smooth acceleration/deceleration profiles. IC Role / Device Role / Timing Role: Real-time motion controller executing PID loops at 1 kHz, synchronizing pointer position with CAN bus vehicle speed and RPM messages. Use Value: On-chip SMC peripherals and 50-channel ADC eliminate external motor drivers and sensor signal conditioners, reducing BOM cost by ~$1.80/unit. | Use Scenario: Managing display rendering, audio routing, and touch feedback in compact digital dashboards with limited board space. IC Role / Device Role / Timing Role: Application processor running lightweight RTOS, coordinating graphics DMA transfers, I²S audio output, and LIN-based HVAC control. Use Value: Integrated HS-SPI and EBI interface support direct attachment of NOR flash and DDR2 memory - avoids external memory controller ASIC. |
| Automotive Warning Light Sequencer | Body Control Module Sub-Controller |
Use Scenario: Flashing hazard lights, turn indicators, and brake warnings with precise timing, fade-in/fade-out, and fault detection. IC Role / Device Role / Timing Role: Safety-critical sequencer using TPU timers and watchdog supervision to guarantee LED activation within ≤50 ms of CAN alert message arrival. Use Value: MPU-enforced isolation prevents UI code faults from disrupting warning light timing - meets ISO 26262 ASIL-B timing assurance requirements. | Use Scenario: Controlling door locks, window lifts, mirror adjustment, and interior lighting in mid-tier vehicles with CAN/LIN gateway functionality. IC Role / Device Role / Timing Role: Gateway node translating LIN commands from switches into CAN messages for central body controller, while managing local actuator PWM. Use Value: Dual CAN + dual LIN-USART + 32 GPIOs enable full sub-module integration - replaces three discrete ICs (CAN transceiver, LIN transceiver, MCU) in legacy designs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TC377TP-64F200N BC | TriCore™ AURIX™ core, 200 MHz, 4 MB Flash, no SHE but HSM security module; larger LQFP-176 footprint (24 × 24 mm same, but different pinout) | Targeted at higher ASIL-D systems requiring HSM-based secure boot and crypto offload; lacks integrated stepper control | Select when certified HSM compliance and >150 DMIPS are required; requires PCB redesign due to incompatible pin mapping |
| S32K144HAT0MLHT | Cortex-M4F core, 112 MHz, 512 KB Flash, 128 KB RAM, no TPU or SMC; includes CAN FD and Ethernet MAC | Optimized for gateway and communication-centric roles; lacks hardware timing protection and motor control peripherals | Select for LIN/CAN FD gateway functions where stepper control is handled externally; lower DMIPS but better CAN FD latency |
Compared with TC377TP-64F200N BC and S32K144HAT0MLHT, the CY9DF125BPMC-GSE2 uniquely balances ASIL-B safety infrastructure, integrated stepper control, and SHE-based security in a single LQFP-176 package - making it optimal for cost-sensitive instrument clusters where mixed-signal integration reduces system-level complexity.
Availability
CY9DF125BPMC-GSE2 is available at Aetrix Electronics and suitable for automotive instrument clusters, virtual head units, warning light sequencers, and body control sub-modules requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for CY9DF125BPMC-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 facilities.
The CY9DF125 series belongs to Infineon's Atlas-L automotive MCU family, designed specifically for high-reliability, functionally safe digital instrument clusters and virtual cockpit controllers requiring integrated motor control, secure boot, and dual CAN connectivity.
FAQ
What is the maximum operating temperature range for CY9DF125BPMC-GSE2?
The CY9DF125BPMC-GSE2 is qualified for operation from −40 °C to +105 °C ambient temperature, meeting AEC-Q100 Grade 2 requirements. This rating applies to all core logic, memory, and peripheral blocks including CAN transceivers, ADC, and SMC modules. Thermal derating is not required within this range under specified voltage and load conditions.
Does CY9DF125BPMC-GSE2 support CAN FD?
No, CY9DF125BPMC-GSE2 supports only classical CAN 2.0A/B protocol up to 1 Mbps. It does not implement CAN FD frame format, bit rate switching, or extended data length. Its CAN controllers are fully compliant with ISO 11898-1:2015 for standard frames only, and lack the arbitration-phase and data-phase clock domain separation required for FD operation.
How is the Secure Hardware Extension (SHE) initialized and used?
SHE initialization requires writing specific unlock keys to the SHE_CTRL register, followed by configuring the AES engine mode, key slot selection, and data block size. Keys are loaded into protected registers via secure boot ROM or authenticated firmware updates; the TRNG output feeds directly into key derivation. All SHE operations execute in isolated hardware with no software-accessible intermediate values.
Can the 16 KB RetRAM retain data during deep power-down mode?
Yes, the 16 KB RetRAM retains data during deep power-down (standby) mode when VDD5 remains powered ≥1.71 V and the RETEN bit in the PMU_CTL register is set. Retention current is typically 12 µA at 25 °C. Data integrity is maintained without ECC correction in retention mode, but full ECC protection resumes upon wake-up and RAM initialization.
CY9DF125BPMC-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:
CY9DF125BPMC-GSE2 FAQ
1.How can I place an order for CY9DF125BPMC-GSE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9DF125BPMC-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 CY9DF125BPMC-GSE2 reliable?
The price and inventory of CY9DF125BPMC-GSE2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY9DF125BPMC-GSE2 is usually 5 days.
3.What payment methods are accepted for CY9DF125BPMC-GSE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9DF125BPMC-GSE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9DF125BPMC-GSE2?
CY9DF125BPMC-GSE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9DF125BPMC-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 CY9DF125BPMC-GSE2?
For technical support, including CY9DF125BPMC-GSE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9DF125BPMC-GSE2 requirements.
6.How does Aetrix verify that CY9DF125BPMC-GSE2 is sourced from the original manufacturer or authorized distributors?
All CY9DF125BPMC-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 CY9DF125BPMC-GSE2 meets industry standards.
7.What is the process for return or replacement of CY9DF125BPMC-GSE2?
All CY9DF125BPMC-GSE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9DF125BPMC-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 CY9DF125BPMC-GSE2 part is unused and in its original packaging.
Return procedure for CY9DF125BPMC-GSE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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