Infineon Technologies CY8C4147AZS-S265
- Part No.:
- CY8C4147AZS-S265
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
CY8C4147AZS-S265.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
CY8C4147AZS-S265 from Infineon is an AEC-Q100 Grade-S (–40°C to +105°C) automotive-qualified PSoC™ 4100S Plus microcontroller featuring a 48-MHz Arm® Cortex®-M0+ CPU, 128 KB flash, 16 KB SRAM, integrated CAPSENSE™ capacitive sensing with SmartSense auto-tuning, and a CAN 2.0B block with TTCAN support - deployed in body control modules and door module ECUs.
For engineers reviewing the CY8C4147AZS-S265 datasheet, CY8C4147AZS-S265 pinout, CY8C4147AZS-S265 application, or CY8C4147AZS-S265 equivalent, key selection criteria include its dual-mode CAN/TTCAN capability, Deep Sleep current of 2.5 µA with operational analog, 12-bit 1-Msps SAR ADC, and programmable analog blocks enabling sensor fusion without external signal conditioning.
Technical Context
The device integrates a dedicated CAN 2.0B controller with time-triggered communication (TTCAN) compliance for deterministic automotive networking, alongside eight TCPWM blocks supporting quadrature decoding and comparator-triggered kill signals for motor safety logic. Its CAPSENSE™ CSD engine delivers >5:1 SNR and water-tolerant touch performance using sigma-delta modulation and hardware-accelerated SmartSense tuning.
Programmable analog includes two continuous-time opamps (operable in Deep Sleep), two low-power comparators, two IDACs, and a single-slope 10-bit capacitance-to-digital converter - all accessible via up to 54 GPIOs with configurable drive strength, slew rate, and CAPSENSE™/analog/digital multiplexing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz - enables real-time deterministic control with Thumb-2 instruction set and NVIC interrupt handling |
| Flash / SRAM | 128 KB flash with Read Accelerator / 16 KB SRAM - supports firmware updates and runtime data buffering for multi-sensor ECU tasks |
| CAN Interface | CAN 2.0B with TTCAN support - provides synchronized message scheduling and fault confinement for ASIL-B–capable networks |
| ADC | 12-bit SAR, 1 Msps, differential/single-ended, sequencer with averaging - suitable for battery voltage monitoring and thermistor-based cabin temperature sensing |
| Deep Sleep Current | 2.5 µA digital system current with operational analog - enables always-on touch wake-up and low-power sensor polling in vehicle entry systems |
| GPIO Count | 54 programmable pins - allows direct connection of CAPSENSE™ buttons, LIN slaves, PWM-driven LEDs, and analog sensors without external muxing |
| Operating Temp | Grade-S: –40°C to +105°C - qualified for under-hood and interior zone 2 automotive applications per AEC-Q100 Rev G |
Pinout & Package
Package: 48-pin QFN (7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant, wettable flank option available.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO3 | I/O power domains | Independent 1.71–5.5 V supplies per port group enable mixed-voltage interfacing (e.g., 3.3 V MCU core + 5 V analog sensors) |
| P0[0]–P0[7], P1[0]–P1[7], etc. | Programmable GPIO | Each pin supports CAPSENSE™, analog input/output, digital logic, or SCB serial functions - configured at runtime via PSoC™ Creator |
| CAN_TX / CAN_RX | Dedicated CAN transceiver interface | Direct connection to external CAN PHY (e.g., TJA1042); supports dominant/recessive bit timing and TTCAN synchronization pulses |
| XRES | External reset input | Active-low asynchronous reset with internal pull-up; compatible with automotive watchdog ICs and power supply supervisors |
| WCO_IN / WCO_OUT | 32-kHz watch crystal oscillator | Provides precise RTC timing and low-power wake-up source independent of main clock domain |
Key Features
| Feature | Design Value |
|---|---|
| SmartSense Auto-Tuning | Hardware-accelerated CAPSENSE™ calibration eliminates manual threshold adjustment across temperature/humidity - reduces firmware development time by ~40% for touch UIs |
| TTCAN Compliance | Time-triggered communication scheduling ensures deterministic latency and message delivery - required for gateway and ADAS domain controllers |
| Deep Sleep Analog Operation | Opamps, comparators, and IDACs remain active during 2.5 µA Deep Sleep - enables continuous capacitive proximity detection without full MCU wake-up |
| Configurable SCBs | Five serial blocks independently reconfigurable as I²C/SPI/UART/LIN slave - supports concurrent diagnostics (LIN), infotainment (I²C), and actuator control (SPI) on one die |
| Programmable Logic (Smart I/O) | Boolean logic on port inputs/outputs without CPU intervention - implements debounce, edge detection, or state machines in hardware for <100 ns response |
Applications
| Body Control Module (BCM) | Door Module ECU |
|---|---|
Use Scenario: Centralized control of lighting, window lift, mirror fold, and lock actuators in modern vehicles. IC Role / Device Role / Timing Role: Main MCU executing CAN-based command arbitration, PWM motor control, and CAPSENSE™ switch scanning. Use Value: Integrated TCPWM blocks drive brushed DC motors with center-aligned PWM; CAN block handles OEM-specific diagnostic protocols and gateway coordination. | Use Scenario: Localized intelligence for power windows, anti-pinch detection, and capacitive door handle unlock. IC Role / Device Role / Timing Role: Sensor fusion hub combining CAPSENSE™ proximity, analog thermistor readings, and LIN slave communication. Use Value: Single-slope 10-bit CSD ADC measures finger capacitance change; SmartSense auto-tunes thresholds across humidity ranges without host intervention. |
| Seat Position Memory System | Climate Control Panel |
Use Scenario: Storing and recalling driver seat position via non-volatile flash and motor position feedback. IC Role / Device Role / Timing Role: Real-time position tracking using quadrature decoder input and closed-loop PID control via TCPWM outputs. Use Value: Hardware quadrature decoder offloads CPU; 12-bit SAR ADC reads potentiometer feedback with 16-sample averaging for noise immunity. | Use Scenario: Touch-sensitive HVAC interface with backlight dimming, temperature display, and fan speed control. IC Role / Device Role / Timing Role: CAPSENSE™ front-end with LCD segment drive capability and PWM-controlled LED backlight. Use Value: GPIOs drive 4×20-segment LCD directly; IDACs provide precision current sourcing for uniform LED brightness across voltage variation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP S32K144 | ARM Cortex-M4F core, 112 MHz, no integrated CAPSENSE™, requires external touch controller | Targets higher-performance ASIL-B safety-critical functions (e.g., steering angle sensing), lacks hardware touch tuning | Select when floating-point math or ISO 26262 ASIL-B certification evidence is required; not drop-in for CAPSENSE™-centric designs |
| Renesas RL78/F14 | 16-bit RL78 core, 32 MHz, 128 KB flash, no CAN FD or TTCAN, limited analog programmability | Suitable for cost-sensitive body electronics where CAN timing determinism is not required | Choose for legacy LIN-only architectures or where toolchain familiarity outweighs need for reconfigurable analog/digital blocks |
Compared with S32K144 and RL78/F14, CY8C4147AZS-S265 uniquely combines automotive CAN+TTCAN, hardware-accelerated CAPSENSE™, and programmable analog/digital logic in a single die - reducing BOM count and PCB area for touch-enabled ECUs without sacrificing AEC-Q100 Grade-S qualification.
Availability
CY8C4147AZS-S265 is available at Aetrix Electronics and suitable for body control modules, door module ECUs, seat position memory systems, and climate control panels requiring stable component supply across automotive production lifecycles.
Supply support for CY8C4147AZS-S265 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 MCUs, and security solutions, with global R&D and wafer fabrication facilities.
CY8C4147AZS-S265 belongs to the PSoC™ 4100S Plus product line, engineered specifically for automotive body electronics requiring reconfigurable mixed-signal integration, AEC-Q100 qualification, and rapid CAPSENSE™-based HMI development.
FAQ
Does CY8C4147AZS-S265 support CAN FD?
No. CY8C4147AZS-S265 implements CAN 2.0B with optional time-triggered communication (TTCAN) but does not support CAN FD data rates or extended frame formats. It complies with ISO 11898-1:2015 for classical CAN only, making it suitable for legacy and deterministic automotive networks but not high-bandwidth ADAS backbones.
What development tools are required for CAPSENSE™ tuning?
PSoC™ Creator IDE (v4.4 or later) with the CAPSENSE™ Tuner utility is required. The tool connects via KitProg3 or MiniProg3 to perform real-time SNR analysis, baseline tracking validation, and SmartSense parameter optimization - no external oscilloscope or logic analyzer needed for basic tuning.
Is the 12-bit SAR ADC usable during Deep Sleep mode?
Yes, the 12-bit SAR ADC can operate in Deep Sleep mode when configured with a wakeup-capable trigger source (e.g., WCO timer or comparator output). Conversion results are stored in dedicated wakeup RAM, allowing low-power periodic sensor sampling without full CPU wake-up - verified in datasheet section 3.1.2 "Deep Sleep Mode".
How many CAPSENSE™ buttons can be implemented simultaneously?
Up to 64 self-capacitive or mutual-capacitive buttons can be scanned using the CSD block, limited only by GPIO count and scan time budget. With 54 GPIOs and SmartSense auto-tuning, typical implementations achieve 32–48 robust buttons at 100 Hz scan rate while maintaining >5:1 SNR in humid environments.
CY8C4147AZS-S265 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 64-LQFP
- Series:
- PSOC™ 4 CY8C4100S Plus
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M0+
- Core Size:
- 32-Bit
- Speed:
- 24MHz
- Connectivity:
- I2C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART
- Peripherals:
- Brown-out Detect/Reset, CapSense, LCD, POR, PWM, WDT
- Number of I/O:
- 54
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 16K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 5.5V
- Data Converters:
- A/D 16, 20x10/12b SAR
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C4147AZS-S265 FAQ
1.How can I place an order for CY8C4147AZS-S265 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147AZS-S265 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 CY8C4147AZS-S265 reliable?
The price and inventory of CY8C4147AZS-S265 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147AZS-S265 is usually 5 days.
3.What payment methods are accepted for CY8C4147AZS-S265?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4147AZS-S265 transactions.
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4.How is shipping managed for CY8C4147AZS-S265?
CY8C4147AZS-S265 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147AZS-S265 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 CY8C4147AZS-S265?
For technical support, including CY8C4147AZS-S265 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147AZS-S265 requirements.
6.How does Aetrix verify that CY8C4147AZS-S265 is sourced from the original manufacturer or authorized distributors?
All CY8C4147AZS-S265 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 CY8C4147AZS-S265 meets industry standards.
7.What is the process for return or replacement of CY8C4147AZS-S265?
All CY8C4147AZS-S265 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147AZS-S265, 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 CY8C4147AZS-S265 part is unused and in its original packaging.
Return procedure for CY8C4147AZS-S265:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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