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Infineon Technologies MB91F524JHBPMC-GTE1
- Part No.:
- MB91F524JHBPMC-GTE1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 120-LQFP
- Datasheet:
-
MB91F524JHBPMC-GTE1.pdf
- Description:
- IC MCU 32BIT 576KB FLASH 120LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,016
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Product details
Overview
MB91F524JHBPMC-GTE1 from Infineon Technologies (formerly Cypress) is a 32-bit FR81S RISC microcontroller designed for automotive powertrain and body control units. It features 512 KB + 64 KB program flash, 64 KB main RAM + 8 KB backup RAM, 80 MHz max CPU frequency, IEEE 754-compliant FPU, and integrated CAN 2.0B controllers (3 channels, up to 1 Mbps). Used in engine control modules requiring real-time deterministic response under -40°C to +125°C.
For engineers reviewing the MB91F524JHBPMC-GTE1 datasheet, MB91F524JHBPMC-GTE1 pinout, MB91F524JHBPMC-GTE1 application, or MB91F524JHBPMC-GTE1 equivalent, key selection criteria include its 96 GPIOs (94 with sub-oscillator), dual 12-bit ADC (48 total channels), LIN 2.1 support, hardware watchdog with configurable timeout, and memory protection unit (MPU) with eight configurable regions.
Technical Context
The MB91F524JHBPMC-GTE1 implements the FR81S core - a 5-stage pipelined 32-bit RISC architecture with 16×32-bit general-purpose registers, 16-bit fixed-length instructions, and single-cycle execution for basic operations. It supports signed 32-bit multiplication in 5 cycles and interrupt latency of 6 cycles at 16 priority levels.
Its peripheral set includes three independent CAN controllers (128/64 message buffers per channel), twelve multi-function serial interfaces (UART/CSIO/LIN/I²C), a 100 kHz CR oscillator for fail-safe clock switching, and a real-time clock driven by either main (4–16 MHz) or sub (32 kHz) oscillation - with automatic fallback to CR clock upon subclock failure.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | FR81S 32-bit RISC, 5-stage pipeline, 16×32-bit GPRs, 16-bit fixed-length instructions |
| Max Operating Frequency | 80 MHz (achieved via PLL ×20 from 4 MHz crystal; 12.5 ns instruction cycle) |
| Memory | 512 KB + 64 KB program flash, 64 KB main RAM + 8 KB backup RAM, 64 KB WorkFlash |
| Analog Peripherals | 12-bit ADC (48 ch total, 1.4 μs conversion), 8-bit DAC (2 ch), RTC with subclock calibration |
| Communication Interfaces | 3× CAN 2.0B (1 Mbps), 12× multi-function serial (UART/CSIO/LIN/I²C), 2× I²C (std/fast mode) |
| Timers & PWM | 16-bit PPG ×48 ch, 16/32-bit free-run timer ×3, input capture/output compare ×6, waveform generator ×6 |
| Power & Safety | 2.7–5.5 V supply, hardware/software watchdog, LVD reset (2.8 V ±8%), MPU with 8 regions, ECC on flash/RAM |
Pinout & Package
MB91F524JHBPMC-GTE1 is housed in a 176-pin LQFP package (24 mm × 24 mm, 0.5 mm pitch) with exposed thermal pad. Pin functions are defined across four dedicated port groups (P0–P3), each supporting multiple alternate functions including CAN TX/RX, LIN, UART, CSIO, I²C, ADC inputs, and PPG outputs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply / Ground | Dual 5 V supply domains with internal 1.2 V regulator; separate analog/digital ground pins reduce noise coupling |
| XTAL1/XTAL2 | Main crystal oscillator input/output | Supports 4–16 MHz fundamental-mode quartz; enables PLL-based 80 MHz system clock |
| OSC32KIN/OSC32KOUT | Sub-oscillator input/output | Drives 32 kHz RTC and low-power modes; monitored by Clock Supervisor for fault detection |
| CAN0TX/CAN0RX | CAN channel 0 differential interface | Direct connection to external CAN transceiver; supports ISO 11898-2 compliant signaling |
| LIN0TX/LIN0RX | LIN 2.1 channel 0 interface | Single-wire bus interface with synch break generation/detection and auto-baud recovery |
| AD00–AD47 | Analog input channels | 48 dedicated ADC inputs mapped across ports; support simultaneous sampling via trigger synchronization |
| PPG00–PPG47 | Pulse pattern generator outputs | 48-channel 16-bit PPG with dead-time insertion, complementary output, and LED drive capability (ch.11–14) |
Key Features
| Feature | Design Value |
|---|---|
| Floating-point unit (FPU) | IEEE 754-compliant 32-bit FPU with 16×32-bit floating-point registers - enables real-time math for motor control algorithms |
| Memory Protection Unit (MPU) | Eight configurable protection areas enforcing privilege/user mode access control - critical for ASIL-B software partitioning |
| Dual-clock supervision | Hardware Clock Supervisor monitors both main (4 MHz) and sub (32 kHz) oscillators; triggers CR clock fallback on failure |
| Multi-function serial interface | 12 independent channels supporting UART, CSIO (SPI), LIN, and I²C on shared pins - reduces PCB routing complexity |
| Low-power operation modes | Sleep, Stop, Watch, and Sub RUN modes with sub-μA retention current - extends battery life in always-on automotive nodes |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
Use Scenario: Real-time fuel injection timing, spark advance calculation, and knock detection using sensor fusion. IC Role / Device Role / Timing Role: Primary MCU executing closed-loop control algorithms with <10 μs jitter tolerance and deterministic ISR latency. Use Value: 80 MHz FR81S core with 6-cycle interrupt response and hardware FPU enables precise combustion timing calculations without software emulation overhead. | Use Scenario: Centralized management of door locks, lighting, wipers, and HVAC via LIN and CAN networks. IC Role / Device Role / Timing Role: Gateway and actuator controller interfacing with up to 12 LIN slaves and 3 CAN nodes. Use Value: Integrated LIN 2.1 controllers (with synch break generation) and 96 GPIOs allow direct drive of relays, LEDs, and sensors - eliminating discrete logic. |
| Transmission Control Unit (TCU) | Advanced Driver Assistance Systems (ADAS) Sensor Hub |
Use Scenario: Gear shift scheduling, clutch pressure modulation, and torque converter lock-up control. IC Role / Device Role / Timing Role: Safety-critical real-time controller with ASIL-B compliance requirements and redundant monitoring paths. Use Value: MPU-enforced memory isolation, ECC on flash/RAM, and dual-voltage LVD reset ensure functional safety integrity during voltage transients. | Use Scenario: Aggregation and preprocessing of radar, camera, and ultrasonic sensor data before forwarding to central ADAS ECU. IC Role / Device Role / Timing Role: High-bandwidth peripheral aggregator with DMA-driven ADC sampling and CAN/LIN bridging. Use Value: 48-channel 12-bit ADC with 1.4 μs conversion and 16-channel DMA enable synchronized multi-sensor acquisition at >10 kSPS aggregate rate. |
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 |
|---|---|---|---|
| RH850/F1L | 40 nm process, 120 MHz core, 1.5 MB flash, no integrated FPU; uses G3KH core instead of FR81S | Lacks IEEE 754 FPU and LIN 2.1 hardware assist; requires software-based floating-point or external co-processor | Select when higher clock speed and larger flash are prioritized over embedded FPU and LIN protocol acceleration |
| TC375A | TriCore™ v1.6.2 core, 300 MHz, 4 MB flash, integrated HSM for secure boot; no WorkFlash or sub-oscillator RTC | Targets ASIL-D systems with HSM; lacks dedicated subclock RTC calibration and CR oscillator fallback path | Select when hardware security module (HSM), higher performance, and functional safety certification beyond ASIL-B are required |
Compared with RH850/F1L and TC375A, MB91F524JHBPMC-GTE1 uniquely balances ASIL-B readiness, integrated LIN 2.1 and CAN 2.0B, IEEE-compliant FPU, and sub-oscillator RTC with automatic clock fallback - making it optimal for cost-sensitive, thermally constrained automotive ECUs where deterministic real-time math and fail-safe timekeeping are essential.
Availability
MB91F524JHBPMC-GTE1 is available at Aetrix Electronics and suitable for engine control units, body control modules, transmission control units, and ADAS sensor hubs requiring stable component supply across extended temperature ranges (-40°C to +125°C) and long product lifecycles.
Supply support for MB91F524JHBPMC-GTE1 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 - now part of Infineon's automotive MCU portfolio - was originally developed by Cypress to deliver high-integration, ASIL-B-capable 32-bit controllers for powertrain and chassis applications with robust clock supervision and mixed-signal peripherals.
FAQ
What is the maximum operating junction temperature for MB91F524JHBPMC-GTE1?
The device is rated for operation from -40°C to +125°C ambient temperature, with a maximum junction temperature of +150°C under specified thermal conditions. Its 90 nm CMOS process and exposed thermal pad in the LQFP-176 package enable reliable thermal dissipation in sealed automotive enclosures without forced airflow.
Does MB91F524JHBPMC-GTE1 support JTAG or SWD debugging?
It supports On-Chip Debug (OCD) via the dedicated debug interface compatible with Cypress/Infineon debug adapters. The interface provides full breakpoint, watchpoint, and real-time trace capabilities - but does not implement ARM-standard SWD or JTAG TAP; it uses a proprietary 5-pin OCD protocol defined in the CY91520 series reference manual.
Can the 64 KB WorkFlash be used for EEPROM emulation?
Yes - the 64 KB WorkFlash is independently erasable and writable while the main program flash remains active. Infineon provides application notes (e.g., AN91520-EEPROM) detailing wear-leveling algorithms and atomic write routines optimized for this partition, enabling reliable data logging with >100k endurance cycles.
Is the CAN controller compliant with ISO 11898-1 and ISO 11898-2?
The three integrated CAN controllers comply with ISO 11898-1 (data link layer) and support ISO 11898-2 (high-speed physical layer) signaling when paired with a compliant transceiver. They implement CAN 2.0B with 29-bit identifiers, programmable bit timing, and automatic retransmission - but do not include built-in PHY drivers.
MB91F524JHBPMC-GTE1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 120-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:
- 96
- 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 42x12b; D/A 2x8b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MB91F524JHBPMC-GTE1 FAQ
1.How can I place an order for MB91F524JHBPMC-GTE1 through Aetrix?
Please submit a Request for Quotation (RFQ) for MB91F524JHBPMC-GTE1 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 MB91F524JHBPMC-GTE1 reliable?
The price and inventory of MB91F524JHBPMC-GTE1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MB91F524JHBPMC-GTE1 is usually 5 days.
3.What payment methods are accepted for MB91F524JHBPMC-GTE1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MB91F524JHBPMC-GTE1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MB91F524JHBPMC-GTE1?
MB91F524JHBPMC-GTE1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MB91F524JHBPMC-GTE1 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 MB91F524JHBPMC-GTE1?
For technical support, including MB91F524JHBPMC-GTE1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MB91F524JHBPMC-GTE1 requirements.
6.How does Aetrix verify that MB91F524JHBPMC-GTE1 is sourced from the original manufacturer or authorized distributors?
All MB91F524JHBPMC-GTE1 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 MB91F524JHBPMC-GTE1 meets industry standards.
7.What is the process for return or replacement of MB91F524JHBPMC-GTE1?
All MB91F524JHBPMC-GTE1 units undergo pre-shipment inspection (PSI). If there is an issue with MB91F524JHBPMC-GTE1, 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 MB91F524JHBPMC-GTE1 part is unused and in its original packaging.
Return procedure for MB91F524JHBPMC-GTE1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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