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Infineon Technologies CY91F579CHSPMC1-GSE1
- Part No.:
- CY91F579CHSPMC1-GSE1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
CY91F579CHSPMC1-GSE1.pdf
- Description:
- IC MCU 32B 2.0625MB FLSH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,294
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Product details
Overview
CY91F579CHSPMC1-GSE1 from Infineon Technologies (formerly Cypress) is a 32-bit automotive-grade microcontroller featuring the FR81S CPU core, 2048 + 64 KB on-chip program flash, 128 KB main RAM + 16 KB backup RAM, and integrated CAN 2.0B (3 channels), LIN-UART (6 channels), and 40-channel 10-bit ADC. It operates at up to 80 MHz with 5 V/3.3 V I/O flexibility and targets engine control units and body electronics.
For engineers reviewing the CY91F579CHSPMC1-GSE1 datasheet, CY91F579CHSPMC1-GSE1 pinout, CY91F579CHSPMC1-GSE1 application, or CY91F579CHSPMC1-GSE1 equivalent, key selection criteria include its LQFP-208 package, dual-clock supervision, hardware FPU (IEEE 754), 32-bit PPG timers, and AEC-Q100 qualification for under-hood automotive use.
Technical Context
The CY91F579CHSPMC1-GSE1 implements a Harvard-architecture FR81S RISC core with 5-stage pipeline, 16 general-purpose 32-bit registers, and instruction-level support for signed 32-bit multiplication in 5 cycles. It integrates an on-chip PLL with 1–20× multiplication, enabling stable 80 MHz operation from a 4 MHz crystal.
Peripheral subsystems include three independent C-CAN controllers (up to 1 Mbps), six LIN-UART channels compliant with LIN 2.1, and a 40-channel 10-bit successive-approximation ADC with 3 µs conversion time. Memory protection (MPU) defines eight configurable access regions across privilege/user modes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | FR81S 32-bit RISC with 5-stage pipeline, 16 GP registers, IEEE 754 FPU |
| Max Clock Frequency | 80 MHz (achieved via PLL ×20 from 4 MHz crystal) |
| Flash Memory | 2048 + 64 KB program flash + 64 KB WorkFlash for data logging |
| RAM | 128 KB main RAM + 16 KB battery-backed backup RAM |
| ADC | 40-channel, 10-bit SAR ADC with 3 µs conversion time, usable for motor current sensing |
| CAN Channels | 3 × C-CAN controllers supporting up to 1 Mbps, each with 32–64 message buffers |
| Package | LQFP-208 with 5 V/3.3 V selectable I/O voltage (VCCE pin) |
Pinout & Package
LQFP-208 package with 0.5 mm pitch, 28 × 28 mm body size, and exposed thermal pad. Pin functions validated per Infineon Document 002-04725 Rev. *B (Pages 12, 29–42).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC5 / GND5 | Main power supply pins | 5 V core supply; decoupling required within 10 mm of pins |
| VCCE | I/O voltage reference | Selects 5 V or 3.3 V logic level for port groups P140–P147, P150–P157, etc. |
| XIN / XOUT | Main oscillator interface | Connects to 4 MHz fundamental-mode crystal; internal load caps enabled |
| EXCLK | External clock input | Accepts external clock source up to 80 MHz for bypassing crystal circuit |
| CAN0TX / CAN0RX | CAN channel 0 differential interface | Direct connection to ISO 11898-compliant transceiver; no internal termination |
| RTCXTAL1 / RTCXTAL2 | Sub-oscillator interface | Supports 32.768 kHz tuning fork crystal for real-time clock operation |
Key Features
| Feature | Design Value |
|---|---|
| Dual Clock Supervision | Monitors 4 MHz main and 32 kHz sub oscillators; auto-fails over to CR oscillator on fault |
| Hardware MPU | Eight configurable memory protection areas with privilege/user mode access control |
| Stepper Motor Control | 6-channel controller with 8/10-bit PWM, high-current outputs, and back-EMF sensing via shared ADC |
| LCD Controller | 4-common × 32-segment duty drive or 9-static segment support; pins multiplexed with GPIO |
| Low-Power Modes | Sleep, Stop, Watch, and Sub RUN modes with wake-up via CAN/LIN/RTC/interrupt sources |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
Use Scenario: Real-time management of fuel injection timing, ignition advance, and throttle position feedback in gasoline engines. IC Role / Device Role / Timing Role: Primary control MCU executing closed-loop PID algorithms with deterministic 80 MHz instruction throughput and CAN-based sensor/actuator communication. Use Value: Integrated 40-channel ADC enables direct analog acquisition from knock sensors and MAP sensors; 3 CAN channels support simultaneous powertrain, chassis, and diagnostic bus traffic. | Use Scenario: Centralized control of door locks, window lifts, lighting sequences, and HVAC fan speed in passenger vehicles. IC Role / Device Role / Timing Role: System-on-chip host managing LIN slave nodes (door modules, seat controls) and CAN-linked gateway functions. Use Value: Six LIN-UART channels allow daisy-chained topology without external transceivers; 128 KB RAM supports multi-tasking OS and firmware-over-the-air (FOTA) staging buffer. |
| Electric Power Steering (EPS) | Industrial PLC I/O Module |
Use Scenario: Torque assist calculation and motor phase commutation in brushless DC steering actuators. IC Role / Device Role / Timing Role: Safety-critical controller with ASIL-B capability, using PPG timers for precise 3-phase PWM generation and ADC for current loop sampling. Use Value: Hardware FPU accelerates vector math for field-oriented control (FOC); built-in CRC engine validates flash updates during runtime. | Use Scenario: Modular remote I/O node collecting analog sensor inputs (4–20 mA, thermocouple) and driving relay outputs in factory automation. IC Role / Device Role / Timing Role: Deterministic real-time processor interfacing with industrial fieldbuses via external SPI peripherals and local CAN diagnostics. Use Value: 22-bit external bus interface supports expansion ASICs or FPGA co-processors; 16-bit reload timers enable precise 1 ms task scheduling independent of interrupt latency. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| RH850/F1K | 32-bit RXv2 core, 1.5 MB flash, no integrated FPU, 12-bit ADC | Stronger functional safety toolchain (ISO 26262 ASIL-D ready), less peripheral integration | Prefer when full ASIL-D certification path is required and external FPU acceptable |
| S32K144 | Cortex-M4F core, 512 KB flash, 128 KB RAM, 12-bit ADC, 2 CAN FD | Native CAN FD support, ARM ecosystem tooling, lower max frequency (112 MHz but lower real-time determinism) | Prefer when CAN FD upgrade path or broad ARM middleware compatibility is critical |
Compared with RH850/F1K and S32K144, the CY91F579CHSPMC1-GSE1 delivers higher analog integration (40-channel ADC, 2 DAC, stepper control), deterministic FR81S pipeline behavior, and tighter coupling between PPG timers and motor control peripherals-making it optimal for cost-sensitive, high-channel-count automotive actuation where CAN FD is not yet mandated.
Availability
CY91F579CHSPMC1-GSE1 is available at Aetrix Electronics and suitable for engine control units, body control modules, electric power steering systems, and industrial PLC I/O modules requiring stable component supply across extended automotive temperature ranges (−40°C to +125°C).
Supply support for CY91F579CHSPMC1-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 AG is a German semiconductor manufacturer specializing in power management, automotive, and industrial control ICs, with global manufacturing and quality systems certified to IATF 16949.
The CY91570 series was developed by Cypress (acquired by Infineon in 2020) specifically for AEC-Q100 Grade 1 automotive applications demanding high analog integration, real-time determinism, and long-lifecycle support in engine, chassis, and body domains.
FAQ
Is CY91F579CHSPMC1-GSE1 qualified for automotive use?
Yes. The device is AEC-Q100 qualified for Grade 1 (−40°C to +125°C ambient), features dual-clock supervision with automatic failover to CR oscillator, and includes hardware memory protection (MPU) and watchdog timers required for ASIL-B system designs. Its qualification documentation is published in Infineon's official product change notices and reliability reports.
What development tools support this MCU?
Infineon provides the PSoC Programmer and ModusToolbox IDE with CY91570-specific device packs, including drivers for LIN-UART, C-CAN, and PPG peripherals. Third-party support includes Green Hills MULTI (with MISRA-C and ISO 26262 qualification packages) and IAR Embedded Workbench for Renesas (via FR-family compatibility layer).
Does it support CAN FD or only classical CAN?
CY91F579CHSPMC1-GSE1 supports only classical CAN 2.0B (up to 1 Mbps) via its three C-CAN controllers. It does not implement CAN FD protocol features such as flexible data-rate, extended data length, or CRC21. For CAN FD requirements, consider Infineon's AURIX TC3xx family or NXP's S32K3xx series.
Can the 64 KB WorkFlash be used for EEPROM emulation?
Yes. The 64 KB WorkFlash is rated for 100,000 write/erase cycles and supports page-wise erase (1 KB pages). Infineon provides application notes (AN91570-WorkFlash-Emulation) detailing wear-leveling algorithms and atomic update routines compatible with real-time operation and power-loss resilience.
CY91F579CHSPMC1-GSE1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 144-LQFP
- Series:
- FR MB91570
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- FR81S
- Core Size:
- 32-Bit Single-Core
- Speed:
- 80MHz
- Connectivity:
- CANbus, CSIO, EBI/EMI, I2C, LINbus, SPI, UART/USART
- Peripherals:
- DMA, LCD, LVD, POR, PWM, WDT
- Number of I/O:
- 111
- Program Memory Size:
- 2.0625MB (2.0625M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 64K x 8
- RAM Size:
- 144K x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 5.5V
- Data Converters:
- A/D 40x8/10b; D/A 2x8b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY91F579CHSPMC1-GSE1 FAQ
1.How can I place an order for CY91F579CHSPMC1-GSE1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY91F579CHSPMC1-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 CY91F579CHSPMC1-GSE1 reliable?
The price and inventory of CY91F579CHSPMC1-GSE1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY91F579CHSPMC1-GSE1 is usually 5 days.
3.What payment methods are accepted for CY91F579CHSPMC1-GSE1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY91F579CHSPMC1-GSE1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY91F579CHSPMC1-GSE1?
CY91F579CHSPMC1-GSE1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY91F579CHSPMC1-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 CY91F579CHSPMC1-GSE1?
For technical support, including CY91F579CHSPMC1-GSE1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY91F579CHSPMC1-GSE1 requirements.
6.How does Aetrix verify that CY91F579CHSPMC1-GSE1 is sourced from the original manufacturer or authorized distributors?
All CY91F579CHSPMC1-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 CY91F579CHSPMC1-GSE1 meets industry standards.
7.What is the process for return or replacement of CY91F579CHSPMC1-GSE1?
All CY91F579CHSPMC1-GSE1 units undergo pre-shipment inspection (PSI). If there is an issue with CY91F579CHSPMC1-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 CY91F579CHSPMC1-GSE1 part is unused and in its original packaging.
Return procedure for CY91F579CHSPMC1-GSE1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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