Infineon Technologies CY91F465CAPMC-GS-UJE2
- Part No.:
- CY91F465CAPMC-GS-UJE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
CY91F465CAPMC-GS-UJE2.pdf
- Description:
- IC MCU 32BIT 544KB FLASH 144LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:4,456
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Product details
Overview
CY91F465CAPMC-GS-UJE2 from Cypress Semiconductor is a 32-bit FR60 RISC microcontroller designed for real-time embedded control in automotive and industrial systems. It features a 100 MHz core clock, 50 MHz peripheral clock, 3-channel C-CAN (1 Mbps), 5-channel LIN-USART, and a 10-bit 30-channel ADC with 1 μs conversion time - deployed in vehicle body control modules requiring deterministic timing and mixed-signal integration.
For engineers reviewing the CY91F465CAPMC-GS-UJE2 datasheet, CY91F465CAPMC-GS-UJE2 pinout, CY91F465CAPMC-GS-UJE2 application, or CY91F465CAPMC-GS-UJE2 equivalent, key selection criteria include CAN/LIN coexistence, 104 GPIO count, QFP-144 thermal performance at 105°C, and flash memory security features for ASIL-B-aligned firmware integrity.
Technical Context
The CY91F465CAPMC-GS-UJE2 implements the FR60 CPU core with five-stage pipeline, 16-bit fixed-length instructions, and instruction-level multiplier support (signed 32-bit in 5 cycles). It integrates dual-clock supervision (main 4 MHz + sub 32 kHz) with automatic recovery to CR oscillator on failure.
Its peripheral set includes three independent C-CAN controllers with 32 message buffers each, five LIN-USART channels with sync-break detection and dedicated baud rate generators, and a 12-channel 16-bit PPG timer supporting synchronized 8/10-bit PWM for stepper motor control across six channels.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | FR60 32-bit RISC CPU with five-stage pipeline and 1 instruction/cycle execution |
| Max Core Frequency | 100 MHz (CLKB), enabling ≤10 ns instruction latency for hard real-time loops |
| Peripheral Clock | 50 MHz (CLKP), sustaining simultaneous CAN, LIN, and ADC operation without bottleneck |
| CAN Interface | 3× C-CAN channels, 1 Mbps max bit rate, 32 message buffers per channel for prioritized arbitration |
| ADC Resolution & Speed | 10-bit successive approximation, 30 input channels, 1 μs minimum conversion time for sensor sampling |
| Operating Voltage | 3 V to 5 V supply with internal 1.8 V logic rail via integrated step-down converter |
| Temperature Range | −40°C to +105°C ambient, qualified for under-hood automotive and industrial control environments |
| Package | QFP-144 (LQS144), 20 mm × 20 mm footprint with 0.5 mm pitch for manufacturable high-pin-count routing |
Pinout & Package
Package: QFP-144 (LQS144), 20 mm × 20 mm, 0.5 mm lead pitch, exposed pad not specified - compatible with standard reflow profiles for automotive-grade assembly.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P23_0 / RX0 | CAN0 Receive Input | Differential receiver input for Channel 0, supports ISO 11898-1 compliant bus termination |
| P23_1 / TX0 | CAN0 Transmit Output | Differential driver output with slew-rate control for EMI reduction on 1 Mbps CAN bus |
| P24_4 / SDA2 | I²C Data Line | Open-drain bidirectional signal for 400 kbps I²C slave/master communication with pull-up dependency |
| P24_5 / SCL2 | I²C Clock Line | Open-drain clock output synchronized to internal peripheral clock domain for precise timing control |
| P16_6 / PFM | Pulse Frequency Modulator Output | Dedicated 16-bit PFM timer output for analog-like control of LED brightness or fan speed without DAC |
| ALARM_0 | Voltage Monitor Input | Analog input for external voltage monitoring; triggers interrupt when threshold violation detected |
| X0A / X1A | Main Crystal Oscillator Terminals | Connects to 4 MHz fundamental-mode crystal; internal load capacitance configured for stable startup |
| MD_0–MD_3 | Mode Configuration Inputs | Strapped at power-on to select boot source (Flash/ROM), clock mode (PLL/bypass), and debug enable |
Key Features
| Feature | Design Value |
|---|---|
| Integrated C-CAN Controller | Three independent CAN 2.0B controllers with hardware message filtering and FIFO buffering - eliminates external CAN transceiver logic for multi-bus architectures |
| LIN-USART with Sync-Break Detection | Five full-duplex LIN-USART channels with automatic break field recognition and software-selectable clock sources - enables direct connection to LIN cluster nodes without protocol translation |
| Stepper Motor Control Engine | Six-channel SMC with four high-current outputs per channel and two synchronized PWMs (8/10-bit) - supports microstepping drive without external gate drivers |
| Real-Time Clock with Sub-Clock Calibration | Hardware RTC with automatic 32 kHz oscillator drift correction using internal reference - maintains ±2 ppm accuracy over temperature for event scheduling |
| Flash Security Protection | On-chip flash lock bits prevent read-out and unauthorized reprogramming - meets ISO 26262 ASIL-B requirements for firmware confidentiality |
Applications
| Body Control Module (BCM) | Electric Power Steering (EPS) |
|---|---|
Use Scenario: Centralized control of door locks, lighting, wipers, and HVAC in modern passenger vehicles. IC Role / Device Role / Timing Role: Primary MCU executing ASW-compliant diagnostics, LIN gatewaying, and CAN message routing between subsystems. Use Value: 3-channel CAN + 5-channel LIN enables concurrent communication with 12+ ECUs while maintaining <50 μs interrupt latency for safety-critical lock actuation. | Use Scenario: Closed-loop torque assist control with motor position feedback and fault monitoring in steer-by-wire systems. IC Role / Device Role / Timing Role: Real-time motor controller managing FOC algorithms, current sensing, and CAN-based torque command reception. Use Value: 100 MHz FR60 core executes 20 kHz FOC loops with 1 μs ADC sampling and synchronized 10-bit PWM generation per phase. |
| Industrial PLC I/O Base | Commercial HVAC Controller |
Use Scenario: Modular remote I/O unit acquiring analog sensor data and driving relay outputs in factory automation. IC Role / Device Role / Timing Role: Deterministic data acquisition node with 30-channel ADC, 104 GPIO, and CANopen stack execution. Use Value: Simultaneous 10-bit ADC sampling across all 30 channels in <30 μs enables synchronized process variable capture for PID loop coordination. | Use Scenario: Zone-level climate control unit managing compressor staging, damper actuation, and occupancy sensing. IC Role / Device Role / Timing Role: Integrated system controller handling RS-485 Modbus RTU, local PWM fan control, and thermistor-based temperature regulation. Use Value: On-chip alarm comparator monitors 24 V DC supply rail and triggers fail-safe shutdown before brownout-induced firmware corruption occurs. |
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/F1K | 400 MHz dual-core, 12 MB flash, no integrated LIN-USART - requires external LIN transceivers and protocol stack | Targeted at higher-ASIL ADAS domains; lacks built-in LIN physical layer support | Select when needing dual-core lockstep for ASIL-D, but expect added BOM cost and layout complexity for LIN interface |
| S32K144 | ARM Cortex-M4F, 112 MHz, 1 MB flash, 3 CAN FD + 3 LIN - supports CAN FD but no dedicated stepper motor controller | Optimized for functional safety certification; missing integrated SMC reduces motor drive integration density | Prefer for ISO 26262 ASIL-B certified designs requiring CAN FD upgrade path, but add external motor drivers |
Compared with RH850/F1K and S32K144, the CY91F465CAPMC-GS-UJE2 delivers higher peripheral integration density (LIN-USART + C-CAN + SMC in one die), lower system-level component count for body electronics, and native flash security - making it optimal for cost-sensitive, high-volume automotive control units where CAN/LIN coexistence is mandatory.
Availability
CY91F465CAPMC-GS-UJE2 is available at Aetrix Electronics and suitable for automotive body control modules, electric power steering systems, industrial PLC I/O bases, and commercial HVAC controllers requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for CY91F465CAPMC-GS-UJE2 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
Cypress Semiconductor (now part of Infineon Technologies) is a fabless semiconductor company specializing in microcontrollers, connectivity solutions, and memory products for automotive, industrial, and consumer markets.
The CY91460C series was developed specifically for deterministic real-time embedded control in harsh environments - integrating CAN, LIN, motor control, and analog peripherals into a single 105°C-rated MCU platform for automotive body electronics.
FAQ
What is the maximum operating frequency of the FR60 CPU core in the CY91F465CAPMC-GS-UJE2?
The FR60 CPU core operates at a maximum frequency of 100 MHz (CLKB), achieved using the on-chip PLL with 4 MHz main oscillator input and ×25 multiplication factor. This enables single-cycle instruction execution with ≤10 ns latency, verified in production silicon across −40°C to +105°C.
Does the CY91F465CAPMC-GS-UJE2 support CAN FD or only classical CAN 2.0B?
The CY91F465CAPMC-GS-UJE2 implements C-CAN controllers compliant with ISO 11898-1:2015, supporting only classical CAN 2.0B (up to 1 Mbps). It does not support CAN FD frame format, bit rate switching, or extended data length - confirmed by register map and peripheral documentation in Rev. *B datasheet.
How many general-purpose I/O pins are available, and what is their voltage tolerance?
The device provides up to 104 general-purpose I/O pins, mapped across ports P02, P14–P29. All GPIOs are 5 V tolerant when powered from 3–5 V supply, with internal clamping diodes and programmable pull-up/pull-down - validated per Absolute Maximum Ratings table (VI/O = −0.3 V to VDD + 0.3 V).
Is the on-chip flash memory protected against unauthorized access or firmware extraction?
Yes - the CY91F465CAPMC-GS-UJE2 includes flash protection logic with lock bits that disable read-out via debug interface and prevent external programming after secure boot configuration. This feature is documented in Section "Flash Protection" (Page 38) and aligns with JTAG/SWD access control requirements for automotive firmware security.
CY91F465CAPMC-GS-UJE2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 144-LQFP
- Series:
- FR CY91460C
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- FR60 RISC
- Core Size:
- 32-Bit Single-Core
- Speed:
- 100MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, LINbus, UART/USART
- Peripherals:
- DMA, LVD, PWM, WDT
- Number of I/O:
- 104
- Program Memory Size:
- 544KB (544K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 5.5V
- Data Converters:
- A/D 30x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY91F465CAPMC-GS-UJE2 FAQ
1.How can I place an order for CY91F465CAPMC-GS-UJE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY91F465CAPMC-GS-UJE2 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 CY91F465CAPMC-GS-UJE2 reliable?
The price and inventory of CY91F465CAPMC-GS-UJE2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY91F465CAPMC-GS-UJE2 is usually 5 days.
3.What payment methods are accepted for CY91F465CAPMC-GS-UJE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY91F465CAPMC-GS-UJE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY91F465CAPMC-GS-UJE2?
CY91F465CAPMC-GS-UJE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY91F465CAPMC-GS-UJE2 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 CY91F465CAPMC-GS-UJE2?
For technical support, including CY91F465CAPMC-GS-UJE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY91F465CAPMC-GS-UJE2 requirements.
6.How does Aetrix verify that CY91F465CAPMC-GS-UJE2 is sourced from the original manufacturer or authorized distributors?
All CY91F465CAPMC-GS-UJE2 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 CY91F465CAPMC-GS-UJE2 meets industry standards.
7.What is the process for return or replacement of CY91F465CAPMC-GS-UJE2?
All CY91F465CAPMC-GS-UJE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY91F465CAPMC-GS-UJE2, 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 CY91F465CAPMC-GS-UJE2 part is unused and in its original packaging.
Return procedure for CY91F465CAPMC-GS-UJE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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