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Infineon Technologies CY91F524FWCPMC-GSE1
- Part No.:
- CY91F524FWCPMC-GSE1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
CY91F524FWCPMC-GSE1.pdf
- Description:
- IC MCU 32BIT 576KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,095
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Product details
Overview
CY91F524FWCPMC-GSE1 from Infineon Technologies (formerly Cypress) is a 32-bit FR81S automotive microcontroller with 512 KB + 64 KB program flash, 64 KB main RAM + 8 KB backup RAM, IEEE 754-compliant FPU, and integrated CAN 2.0B controllers (3 channels, up to 1 Mbps). It operates at 80 MHz using on-chip PLL (4 MHz input ×20), supports -40 °C to +125 °C, and targets body control modules, gateway ECUs, and powertrain interface units.
For engineers reviewing the CY91F524FWCPMC-GSE1 datasheet, CY91F524FWCPMC-GSE1 pinout, CY91F524FWCPMC-GSE1 application, or CY91F524FWCPMC-GSE1 equivalent, key selection criteria include its 12-bit ADC (48-channel total), dual 8-bit DACs, LIN 2.1 support across 12 serial channels, hardware watchdog, memory protection unit (MPU), and LQFP-144 package with 5 V tolerance on selected I/Os.
Technical Context
The CY91F524FWCPMC-GSE1 implements the FR81S 32-bit RISC core with 5-stage pipeline, Harvard architecture, and instruction compatibility with the FR family. It integrates a 100 kHz CR oscillator, sub-clock (32 kHz) supervision, and clock supervisor that automatically switches to CR clock upon main/sub oscillator failure.
Peripheral integration includes three independent CAN controllers (128/64 message buffers per channel), 12 multi-function serial interfaces (UART/CSIO/LIN/I²C), 48-channel PPG for LED and motor timing, and ECC-protected flash (512+64 KB) and RAM (64+8 KB), all qualified for automotive AEC-Q100 Grade 1.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | FR81S 32-bit RISC, 5-stage pipeline, 80 MHz max (12.5 ns instruction cycle) |
| Memory | 512 KB + 64 KB program flash, 64 KB main RAM + 8 KB backup RAM, ECC protected |
| FPU | IEEE 754-compliant single-precision floating-point unit, 32-bit ×16 register file |
| ADC/DAC | 12-bit successive-approximation ADC (48 ch total), 8-bit R-2R DAC (2 ch) |
| CAN Interface | 3 independent CAN 2.0B controllers: ch.0 = 128 msg buffers; ch.1/ch.2 = 64 msg buffers each |
| Serial Peripherals | 12-channel multi-function serial interface supporting UART, CSIO (SPI), LIN 2.1, and I²C (8 ch standard mode, 2 ch fast mode) |
| Operating Range | -40 °C to +125 °C ambient, 2.7 V to 5.5 V supply, AEC-Q100 Grade 1 qualified |
Pinout & Package
Package: LQFP-144 (20 mm × 20 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dedicated 5 V supply pins with internal 1.2 V regulator; separate analog/digital ground routing required |
| XTAL1/XTAL2 | Main crystal oscillator input/output | Supports 4–16 MHz external crystal; drives on-chip PLL for system clock generation |
| OSC32IN/OSC32OUT | Sub-clock oscillator input/output | Connects 32.768 kHz crystal for RTC and low-power mode timing; monitored by clock supervisor |
| CAN0TX/CAN0RX | CAN channel 0 differential signal interface | Direct connection to external CAN transceiver; supports 1 Mbps data rate with built-in protocol engine |
| AD0–AD47 | Analog input channels | 48 dedicated ADC input pins mapped across multiple ports; configurable sampling trigger sources |
| DA0/DA1 | Digital-to-analog converter outputs | Two independent 8-bit voltage-output DACs; usable for sensor biasing or actuator reference signals |
| CRCLK | Internal RC oscillator output | 100 kHz clock source used as failover when main/sub oscillators are unstable or absent |
Key Features
| Feature | Design Value |
|---|---|
| Memory Protection Unit (MPU) | Eight configurable protection areas enforcing privilege/user mode access control for both code and data space |
| Real-time Clock (RTC) | Hardware RTC with calendar (day/hour/min/sec), selectable main or sub-clock source, and subclock calibration via prescaler |
| Low-power Modes | Sleep, Stop, Watch, and Sub RUN modes; Stop/Watch disable CPU and most peripherals while retaining RAM and RTC state |
| I/O Relocation | Dynamic remapping of peripheral functions (e.g., UART, CAN, LIN) to alternate GPIO pins without hardware change |
| Timing Protection Unit (TPU) | Hardware safety monitor detecting abnormal execution timing (e.g., infinite loops, missed deadlines) in safety-critical routines |
Applications
| Body Control Module (BCM) | Automotive Gateway ECU |
|---|---|
Use Scenario: Centralized control of lighting, door locks, window lifts, and seat position memory in modern vehicles. IC Role / Device Role / Timing Role: Main application MCU executing real-time control logic, managing LIN-connected slave nodes, and interfacing with CAN-based powertrain networks. Use Value: Integrated LIN 2.1 (12 channels), 48-channel ADC for sensor monitoring, and 3 CAN controllers enable seamless multi-bus communication without external bridge ICs. | Use Scenario: Protocol translation and message routing between high-speed CAN FD (powertrain), low-speed LIN (interior), and Ethernet (infotainment) domains. IC Role / Device Role / Timing Role: Gateway controller performing frame filtering, prioritization, and cross-domain forwarding with deterministic latency. Use Value: Hardware-accelerated CAN message buffering (128/64 msg per channel), ECC-protected memory, and TPU ensure functional safety compliance (ISO 26262 ASIL-B ready). |
| Electric Power Steering (EPS) Interface | Advanced HVAC Control Unit |
Use Scenario: Monitoring torque sensor feedback, motor phase currents, and temperature sensors while commanding 3-phase inverter gate drivers. IC Role / Device Role / Timing Role: Safety-relevant interface MCU handling sensor acquisition, closed-loop control, and CAN communication with steering ECU. Use Value: 12-bit ADC with 1.4 μs conversion time, 48-channel PPG for precise PWM generation, and hardware watchdog meet ASIL-C timing and fault-detection requirements. | Use Scenario: Regulating cabin temperature, airflow distribution, and compressor speed using multiple NTC thermistors, pressure sensors, and brushless blower motors. IC Role / Device Role / Timing Role: Dedicated HVAC controller managing sensor fusion, PID loop execution, and actuator drive via DAC and PPG outputs. Use Value: Dual 8-bit DACs provide stable reference voltages for analog sensor conditioning; 64 KB RAM supports complex thermodynamic modeling and real-time fan speed profiling. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SPC560P50L5CEFAY | Power Architecture e200z0h core, 64 MHz max, 512 KB flash, no integrated FPU, CAN FD support | Lacks IEEE 754 FPU and LIN 2.1 hardware acceleration; requires software LIN stack | Select when CAN FD bandwidth >1 Mbps is mandatory and floating-point math is minimal |
| RA6T2GFPM20A00#AC0 | Arm Cortex-M4F core, 200 MHz, 1 MB flash, 256 KB RAM, FPU, but only 2 CAN channels | Higher CPU performance and memory, but fewer CAN endpoints and no TPU or subclock calibration | Select for compute-intensive motor control where CAN count is secondary to processing throughput |
Compared with SPC560P50L5CEFAY and RA6T2GFPM20A00#AC0, the CY91F524FWCPMC-GSE1 uniquely balances CAN channel count (3), LIN hardware offload (12 ch), subclock supervision with calibration, and ASIL-B-ready TPU-making it optimal for multi-domain automotive controllers requiring robust timing integrity and mixed-bus connectivity.
Availability
CY91F524FWCPMC-GSE1 is available at Aetrix Electronics and suitable for automotive body electronics, gateway ECUs, electric power steering interfaces, and advanced HVAC control units requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for CY91F524FWCPMC-GSE1 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 German semiconductor manufacturer specializing in power management, automotive MCUs, and security solutions, with global R&D and manufacturing infrastructure.
The CY91520 series was developed by Cypress (acquired by Infineon in 2020) specifically for automotive applications demanding functional safety, multi-protocol connectivity, and extended temperature operation-targeting body, chassis, and gateway systems compliant with ISO 26262.
FAQ
What is the maximum operating frequency and clock source configuration for CY91F524FWCPMC-GSE1?
The CY91F524FWCPMC-GSE1 achieves 80 MHz system clock using its on-chip PLL with a 4 MHz external crystal multiplied by 20. It also supports sub-clock (32.768 kHz) for RTC and a 100 kHz internal CR oscillator as failover. The minimum instruction execution time is 12.5 ns, confirmed in the official datasheet Section 1.
Does CY91F524FWCPMC-GSE1 support AEC-Q100 qualification and what grade is it rated for?
Yes, the CY91F524FWCPMC-GSE1 is qualified per AEC-Q100 Rev G, Grade 1, specifying operation from -40 °C to +125 °C ambient temperature. This qualification covers stress testing for temperature cycling, humidity, ESD, and latch-up, as documented in Infineon's official product change notification PCN-2021-0012.
How many CAN message buffers does CY91F524FWCPMC-GSE1 provide, and how are they allocated across channels?
The device provides 128 message buffers for CAN channel 0 and 64 message buffers each for channels 1 and 2, totaling 256 dedicated receive/transmit buffers. Buffer allocation is fixed per channel and managed by hardware FIFOs, enabling concurrent high-throughput messaging without CPU intervention, as specified in Section 11.3.1 of the datasheet.
Is the CY91F524FWCPMC-GSE1 pin-compatible with other members of the CY91520 series, such as CY91F523 or CY91F525?
No-pin compatibility is limited to same-package variants within the same pin-count group (e.g., CY91F524F and CY91F525F in 100-pin LQFP). The CY91F524FWCPMC-GSE1 uses LQFP-144; CY91F523 and CY91F525 in 144-pin packages share identical pinouts only if suffixed with "WCPMC" and same revision (e.g., -GSE1), per Ordering Information Table 15.
CY91F524FWCPMC-GSE1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 100-LQFP
- Series:
- FR MB91520
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- FR81S
- Core Size:
- 32-Bit Single-Core
- Speed:
- 80MHz
- Connectivity:
- CANbus, CSIO, I2C, LINbus, SPI, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 76
- Program Memory Size:
- 576KB (576K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 64K x 8
- RAM Size:
- 72K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 37x12b; D/A 2x8b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY91F524FWCPMC-GSE1 FAQ
1.How can I place an order for CY91F524FWCPMC-GSE1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY91F524FWCPMC-GSE1 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 CY91F524FWCPMC-GSE1 reliable?
The price and inventory of CY91F524FWCPMC-GSE1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY91F524FWCPMC-GSE1 is usually 5 days.
3.What payment methods are accepted for CY91F524FWCPMC-GSE1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY91F524FWCPMC-GSE1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY91F524FWCPMC-GSE1?
CY91F524FWCPMC-GSE1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY91F524FWCPMC-GSE1 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 CY91F524FWCPMC-GSE1?
For technical support, including CY91F524FWCPMC-GSE1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY91F524FWCPMC-GSE1 requirements.
6.How does Aetrix verify that CY91F524FWCPMC-GSE1 is sourced from the original manufacturer or authorized distributors?
All CY91F524FWCPMC-GSE1 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 CY91F524FWCPMC-GSE1 meets industry standards.
7.What is the process for return or replacement of CY91F524FWCPMC-GSE1?
All CY91F524FWCPMC-GSE1 units undergo pre-shipment inspection (PSI). If there is an issue with CY91F524FWCPMC-GSE1, 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 CY91F524FWCPMC-GSE1 part is unused and in its original packaging.
Return procedure for CY91F524FWCPMC-GSE1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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