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Infineon Technologies MB91F577BHPMC-GSK5E1
- Part No.:
- MB91F577BHPMC-GSK5E1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
MB91F577BHPMC-GSK5E1.pdf
- Description:
- IC MCU 32B 1.0625MB FLSH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,333
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Product details
Overview
MB91F577BHPMC-GSK5E1 from Infineon Technologies (formerly Cypress) is a 32-bit FR81S RISC microcontroller designed for automotive body control and industrial real-time control systems. It operates at up to 80 MHz, integrates 1024 + 64 KB program flash, 64 KB main RAM, 8 KB backup RAM, dual CAN 2.0B controllers (up to 1 Mbps), and LIN-UART support per ISO 17987-2:2013.
For engineers reviewing the MB91F577BHPMC-GSK5E1 datasheet, MB91F577BHPMC-GSK5E1 pinout, MB91F577BHPMC-GSK5E1 application, or MB91F577BHPMC-GSK5E1 equivalent, key selection criteria include FR-family instruction compatibility, on-chip FPU (IEEE 754), 40-channel 10-bit ADC with 3 µs conversion, 24-channel PPG, and LQFP-144 package with 111 general-purpose I/O pins.
Technical Context
The MB91F577BHPMC-GSK5E1 implements the FR81S CPU core with 5-stage pipeline, Harvard architecture, and register interlock-enabling single-cycle execution of 16-bit fixed-length instructions. It supports privilege/user mode operation with an 8-region MPU and includes a hardware FPU compliant with IEEE 754 single-precision arithmetic.
Peripheral integration includes three C-CAN channels (64-message buffer total), six LIN-UART channels supporting LIN 2.1 frame handling and synch break detection, and a 22-bit/16-bit external bus interface configurable for 5 V or 3.3 V I/O via VCCE. Clock supervision uses dual oscillators (4 MHz main + 32 kHz sub) with automatic CR clock fallback on failure.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | FR81S 32-bit RISC, 5-stage pipeline, 16-bit fixed-length instructions, 1 instruction/cycle throughput |
| Max Operating Frequency | 80 MHz (achieved via PLL ×20 from 4 MHz crystal; enables 12.5 ns min instruction time) |
| Memory | 1024 + 64 KB program flash, 64 KB main RAM, 8 KB backup RAM, 64 KB WorkFlash (data flash) |
| Analog Peripherals | 40-channel 10-bit ADC (3 µs conversion), 2-channel 8-bit DAC, real-time clock with sub-oscillator support |
| Communication Interfaces | 3× C-CAN (1 Mbps), 6× LIN-UART (LIN 2.1), 4× multi-function serial (UART/CSIO/I²C), 1× HS-SPI (disabled in this series) |
| Timers & PWM | 24× 16-bit PPG channels, 7× reload timers, 6× 32-bit free-run timers with input capture/output compare |
| Package & I/O | LQFP-144, 111 general-purpose I/O pins (109 with sub-oscillator enabled), I²C pseudo-open-drain on 4 ports |
Pinout & Package
MB91F577BHPMC-GSK5E1 is housed in a 144-pin LQFP (10 mm × 10 mm, 0.5 mm pitch) package with exposed thermal pad. Pin functions are defined across four power domains: VCC5 (5 V core), VCCE (selectable 5 V/3.3 V I/O), VSS (ground), and dedicated oscillator/RTC pins.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P000–P017, P020–P027, P030–P036 | General-purpose I/O (VCCE-supplied) | Configurable as digital input/output, peripheral function multiplex (e.g., UART, CAN, PPG), with pseudo-open-drain capability on I²C-capable pins |
| CLKIN / CLKOUT | Main system clock input/output | Accepts 4 MHz crystal; CLKOUT provides buffered reference for trace/debug or secondary timing distribution |
| XTAL32 / RTCIN | Sub-oscillator input | Connects 32.768 kHz crystal for RTC and low-power watch mode; monitored by clock supervisor for failover to CR oscillator |
| CAN0TX / CAN0RX | CAN channel 0 differential signal interface | Direct connection to external CAN transceiver; supports bit rates up to 1 Mbps with built-in protocol engine and message buffering |
| VCC5 / VSS | Core power supply and ground | VCC5 supplies internal 1.2 V regulator; all analog blocks (ADC, DAC, RTC) and CPU core depend on stable 5 V ±5 % |
Key Features
| Feature | Design Value |
|---|---|
| FR81S CPU with FPU | IEEE 754-compliant floating-point unit enables deterministic math for motor control and sensor fusion without software emulation overhead |
| Dual-clock supervision | Hardware monitoring of both 4 MHz main and 32 kHz sub oscillators triggers automatic switch to CR oscillator-ensuring RTC continuity during crystal fault |
| Multi-protocol serial engine | Single peripheral block supports UART, CSIO (SPI), I²C, and LIN-UART modes-reducing pin count and firmware complexity in mixed-protocol gateways |
| PPG-based motor control | 24 independent 16-bit programmable pulse generators with dead-time insertion and synchronous update-suited for 3-phase BLDC commutation |
| WorkFlash data retention | 64 KB on-chip data flash supports EEPROM-like wear leveling and atomic write operations for calibration data and configuration storage |
Applications
| Automotive Body Control Module | Industrial PLC I/O Controller |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, mirror adjustment, and interior lighting in modern vehicles. IC Role / Device Role / Timing Role: Primary MCU executing real-time CAN/LIN communication, PWM-driven actuator control, and ADC-based sensor monitoring. Use Value: Integrated C-CAN and LIN-UART eliminate external protocol translators; 24 PPG channels directly drive up to 8 brushed DC motors with synchronized timing. |
Use Scenario: Modular I/O expansion unit for DIN-rail mounted PLCs requiring analog input conditioning and isolated digital output switching. IC Role / Device Role / Timing Role: Local intelligence node managing 40-channel 10-bit ADC sampling, 2-channel DAC feedback, and CAN-based fieldbus communication. Use Value: 3 µs ADC conversion enables 300+ kSPS aggregate sampling; WorkFlash stores sensor calibration coefficients with guaranteed 100k-cycle endurance. |
| Electric Power Steering (EPS) Assist Unit | Smart HVAC Actuator Controller |
Use Scenario: Torque assist computation and brushless motor commutation in column-assist EPS systems meeting ASIL-B requirements. IC Role / Device Role / Timing Role: Safety-aware controller running motor FOC algorithm using FPU, monitoring torque sensor via ADC, and driving 3-phase inverter via PPG outputs. Use Value: Hardware FPU delivers repeatable 32-bit floating-point performance; MPU enforces memory isolation between safety-critical and non-safety tasks. |
Use Scenario: Compact damper and valve positioning module for commercial HVAC systems with temperature, humidity, and CO₂ feedback. IC Role / Device Role / Timing Role: Embedded controller interfacing with I²C sensors, generating precise 8/10-bit PWM for stepper motor drives, and reporting status over LIN. Use Value: I²C master mode at 400 kbps supports fast sensor polling; 6-channel stepping motor controller manages multi-zone airflow with back-EMF sensing via shared ADC inputs. |
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 |
|---|---|---|---|
| MB91F578BHPMC-GSK5E1 | 1536 + 64 KB program flash, 96 KB main RAM, 16 KB backup RAM, LQFP-144 same package | Higher memory capacity supports larger AUTOSAR BSW stacks or complex diagnostic routines | Select when >1 MB flash or >80 KB RAM required; identical peripheral set and pinout enable drop-in upgrade |
| RH850/F1L | 32-bit RXv2 core, 120 MHz max, 1.5 MB flash, no on-chip FPU, CAN FD support | Targets higher ASIL-D systems with ECC RAM, lockstep cores, and CAN FD for next-gen E/E architectures | Choose for functional safety certification path (ISO 26262 ASIL-D) or CAN FD bandwidth needs; requires toolchain and driver migration |
Compared with MB91F577BHPMC-GSK5E1, the MB91F578 offers scalable memory within identical footprint and peripherals, while RH850/F1L trades FPU and LIN focus for safety-certified architecture and CAN FD-making it suitable for centralized domain controllers rather than distributed body nodes.
Availability
MB91F577BHPMC-GSK5E1 is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC I/O modules, and electric power steering assist units requiring stable component supply, long-term lifecycle support, and qualified AEC-Q100 Grade 2 operation.
Supply support for MB91F577BHPMC-GSK5E1 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 global semiconductor leader headquartered in Munich, Germany, specializing in power management, automotive ICs, and security solutions with vertical manufacturing and automotive qualification expertise.
This device belongs to the CY91570 Series-a family of FR-core microcontrollers engineered for deterministic real-time control in automotive body electronics and industrial automation where LIN/CAN coexistence, analog integration, and low-latency interrupt response are critical.
FAQ
Is MB91F577BHPMC-GSK5E1 qualified for automotive use?
Yes. The part is AEC-Q100 Grade 2 qualified (−40 °C to +105 °C ambient), features dual-clock supervision with automatic CR oscillator fallback, and includes built-in memory protection (MPU) and hardware watchdog timers-meeting baseline requirements for body control and chassis applications.
Does this MCU support CAN FD?
No. MB91F577BHPMC-GSK5E1 integrates C-CAN controllers compliant with ISO 11898-1:2003 (Classical CAN only), supporting bit rates up to 1 Mbps. CAN FD functionality is not implemented in the FR81S peripheral set and is absent from the datasheet specifications.
What debug interface does MB91F577BHPMC-GSK5E1 provide?
The device supports on-chip debugging via JTAG (IEEE 1149.1) using pins TCK, TMS, TDI, TDO, and TRST. It enables full boundary-scan, real-time trace, and non-intrusive breakpoint setting without requiring dedicated SWD or cJTAG pins.
Can the 64 KB WorkFlash be used as EEPROM replacement?
Yes. The WorkFlash supports byte-level erase/write with typical endurance of 100,000 cycles and data retention of 20 years at 85 °C. It includes hardware wear leveling and atomic write commands-making it suitable for storing calibration data, configuration parameters, and event logs without external EEPROM.
MB91F577BHPMC-GSK5E1 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:
- 1.0625MB (1.0625M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 64K x 8
- RAM Size:
- 72K 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:
MB91F577BHPMC-GSK5E1 FAQ
1.How can I place an order for MB91F577BHPMC-GSK5E1 through Aetrix?
Please submit a Request for Quotation (RFQ) for MB91F577BHPMC-GSK5E1 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 MB91F577BHPMC-GSK5E1 reliable?
The price and inventory of MB91F577BHPMC-GSK5E1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MB91F577BHPMC-GSK5E1 is usually 5 days.
3.What payment methods are accepted for MB91F577BHPMC-GSK5E1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MB91F577BHPMC-GSK5E1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MB91F577BHPMC-GSK5E1?
MB91F577BHPMC-GSK5E1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MB91F577BHPMC-GSK5E1 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 MB91F577BHPMC-GSK5E1?
For technical support, including MB91F577BHPMC-GSK5E1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MB91F577BHPMC-GSK5E1 requirements.
6.How does Aetrix verify that MB91F577BHPMC-GSK5E1 is sourced from the original manufacturer or authorized distributors?
All MB91F577BHPMC-GSK5E1 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 MB91F577BHPMC-GSK5E1 meets industry standards.
7.What is the process for return or replacement of MB91F577BHPMC-GSK5E1?
All MB91F577BHPMC-GSK5E1 units undergo pre-shipment inspection (PSI). If there is an issue with MB91F577BHPMC-GSK5E1, 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 MB91F577BHPMC-GSK5E1 part is unused and in its original packaging.
Return procedure for MB91F577BHPMC-GSK5E1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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