Infineon Technologies CY8C4147AXI-S475
- Part No.:
- CY8C4147AXI-S475
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
CY8C4147AXI-S475.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 64TQFP
- Quantity:
- Payment:

- Shipping:

Inventory:177
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Product details
Overview
CY8C4147AXI-S475 from Infineon Technologies (acquired Cypress Semiconductor) is a PSoC 4100S Plus programmable system-on-chip featuring a 48-MHz Arm Cortex-M0+ CPU, 128 KB flash, 16 KB SRAM, integrated CapSense sigma-delta capacitive sensing, CAN 2.0B interface, and programmable analog/digital blocks. It operates from 1.71–5.5 V and supports Deep Sleep mode with 2.5 µA system current while maintaining operational opamps and comparators - ideal for battery-powered industrial HMI and smart sensor nodes.
For engineers reviewing the CY8C4147AXI-S475 datasheet, CY8C4147AXI-S475 pinout, CY8C4147AXI-S475 application, or CY8C4147AXI-S475 equivalent, key selection criteria include its integrated CAN 2.0B block with Time-Triggered CAN support, CapSense SNR >5:1 with SmartSense auto-tuning, 12-bit 1-Msps SAR ADC, TRNG for secure key generation, and 54 GPIOs with configurable drive modes and LCD segment drive capability.
Technical Context
The device implements a tightly coupled MCU subsystem with an Arm Cortex-M0+ core, 8-channel DMA, NVIC with eight interrupt inputs, and Wakeup Interrupt Controller (WIC) enabling sub-35 µs wake-up from Deep Sleep. Its clock architecture integrates IMO (±2%), ILO (32 kHz), WCO, ECO (4–33 MHz), and PLL to generate stable 48-MHz HFCLK with glitchless switching.
Analog resources include two reconfigurable opamps (supporting external high-drive and internal high-bandwidth modes), two low-power comparators, 12-bit SAR ADC with channel sequencer and signal averaging, and a dedicated capacitance-sensing block delivering 10-bit resolution. Digital flexibility is provided by five reconfigurable SCBs (I²C/SPI/UART), eight TCPWM blocks with quadrature decode and comparator-triggered kill signals, and programmable logic blocks for Boolean operations on GPIOs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M0+, 48 MHz max - enables real-time deterministic control with single-cycle multiply for motor or sensor fusion tasks. |
| Flash / SRAM | 128 KB flash with Read Accelerator; 16 KB zero-wait-state SRAM - supports complex firmware with fast ISR response and data buffering. |
| ADC | 12-bit SAR, 1 Msps, differential/single-ended, channel sequencer with averaging - delivers high-fidelity analog acquisition for precision sensing. |
| CapSense | Sigma-Delta CSD with SNR >5:1 and water tolerance, plus SmartSense auto-tuning - eliminates manual calibration in wet or variable environmental conditions. |
| CAN Interface | CAN 2.0B with TTCAN support - enables time-synchronized messaging for automotive body electronics and industrial fieldbus nodes. |
| Power Modes | Deep Sleep at 2.5 µA with opamps/comparators active - sustains capacitive touch or analog monitoring during extended battery operation. |
| GPIO Count | Up to 54 programmable pins with configurable drive strength, slew rate, and CapSense/analog/digital assignment - simplifies PCB routing and multi-function pin reuse. |
Pinout & Package
Package: 48-pin TQFP (0.5-mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0[0]–P0[7] | General-purpose I/O with CapSense, analog, or digital function | Supports simultaneous capacitive button + analog sensor input on same port; programmable drive modes enable direct LCD segment driving. |
| P1[0]–P1[7] | GPIO with SCB0/SCB1 alternate functions | Configurable as I²C/SPI/UART; SCB0 supports master/slave I²C with SMBus timeout and arbitration recovery. |
| P2[0]–P2[7] | GPIO with TCPWM0–TCPWM7 and CAN_TX/CAN_RX | Dedicated CAN physical layer interface; TCPWM outputs support center-aligned PWM for motor gate drivers with kill-signal triggering. |
| P3[0]–P3[7] | GPIO with ADC input, IDAC output, opamp terminals | Direct connection to SAR ADC input mux; IDACs provide programmable current sources for ratiometric sensor excitation or CapSense current injection. |
| VDD / VSS | Power supply and ground | Single 1.71–5.5 V supply; internal LDO regulates core voltage - eliminates need for external regulator in space-constrained designs. |
| SWDIO / SWDCK | Serial Wire Debug interface | Two-wire debug with four breakpoint and two watchpoint comparators - enables full on-chip debugging without JTAG header footprint. |
Key Features
| Feature | Design Value |
|---|---|
| Programmable Analog Blocks | Two opamps operate in Deep Sleep with <1 µA quiescent current and configurable gain/buffering - enables always-on analog front-end for wake-on-touch or threshold detection. |
| CapSense Sigma-Delta Engine | Hardware-accelerated CSD with >5:1 SNR and automatic SmartSense tuning - reduces firmware overhead and improves reliability across temperature/humidity gradients. |
| Reconfigurable SCBs | Five independent Serial Communication Blocks supporting runtime-switchable I²C/SPI/UART protocols - allows dynamic peripheral remapping without hardware change or BOM revision. |
| Secure Debug Control | Firmware-controllable SWD enable/disable; permanent debug disable via flash protection erasure - prevents unauthorized firmware extraction in production units. |
| True Random Number Generator | Dedicated TRNG compliant with NIST SP 800-90B - provides entropy source for cryptographic key generation in secure boot or OTA update workflows. |
Applications
| Industrial HMI Panel | Automotive Body Control Module |
|---|---|
Use Scenario: Touch-enabled dashboard with proximity wake-up and LED dimming control in factory automation equipment. IC Role / Device Role / Timing Role: Main controller executing CapSense scan, PWM dimming, CAN message handling, and real-time fault logging. Use Value: Single-chip integration eliminates discrete touch controller and CAN transceiver, reducing BOM count and board area by 35% versus multi-chip solution. | Use Scenario: Door module managing window lift, mirror fold, and interior lighting with LIN/CAN gateway functionality. IC Role / Device Role / Timing Role: CAN node with TTCAN scheduling for synchronized actuator commands and diagnostic reporting. Use Value: Time-triggered CAN ensures deterministic latency (<100 µs jitter) for safety-critical window anti-pinch response. |
| Smart Sensor Node | Medical Patient Monitor Front-End |
Use Scenario: Battery-powered environmental sensor collecting temperature, humidity, and air quality with wireless upload. IC Role / Device Role / Timing Role: Low-power system controller performing SAR ADC sampling, CapSense button interface, and BLE host communication via SCB. Use Value: Deep Sleep current of 2.5 µA extends coin-cell life to >5 years while maintaining wake-on-touch responsiveness. | Use Scenario: Portable vital sign monitor with touch interface, analog front-end for ECG/SpO₂, and secure data export. IC Role / Device Role / Timing Role: Secure acquisition controller with TRNG-based encryption, isolated analog signal chain, and medical-grade CapSense for glove-compatible UI. Use Value: Integrated opamps and SAR ADC meet IEC 60601-1 common-mode rejection requirements (>100 dB) without external instrumentation amplifiers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable SoC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32G474RET6 | Arm Cortex-M4F @ 170 MHz, no integrated CapSense, includes FPU and advanced timers; lacks native CAN FD and hardware TRNG. | Better suited for math-intensive control loops (e.g., motor FOC), but requires external touch controller and crypto co-processor for equivalent security. | Select when floating-point performance and high-resolution PWM timing outweigh CapSense integration and embedded security. |
| RP2040 | Dual-core Arm Cortex-M0+ @ 133 MHz, no CAN, no CapSense, no TRNG; relies on external flash and lacks analog peripherals beyond basic ADC. | Targeted at cost-sensitive consumer IoT; requires external CAN transceiver, touch IC, and secure element for comparable functionality. | Select for high-volume, non-safety-critical applications where BOM cost is primary constraint and external component integration is acceptable. |
Compared with STM32G474RET6 and RP2040, CY8C4147AXI-S475 uniquely combines CapSense, CAN 2.0B, TRNG, and programmable analog in one die - reducing system-level complexity for touch-enabled industrial and automotive nodes requiring deterministic timing and embedded security.
Availability
CY8C4147AXI-S475 is available at Aetrix Electronics and suitable for industrial HMI, automotive body electronics, smart sensor nodes, and medical front-end designs requiring stable component supply and long-term lifecycle assurance.
Supply support for CY8C4147AXI-S475 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 acquired Cypress Semiconductor in 2020 and now owns the PSoC portfolio. Infineon is a global semiconductor leader focused on power systems, automotive, and industrial applications.
The PSoC 4100S Plus product line targets cost-optimized, low-power embedded systems requiring mixed-signal integration, capacitive touch, and deterministic communication - especially in space- and power-constrained industrial and automotive edge nodes.
FAQ
Does CY8C4147AXI-S475 support CAN FD?
No. CY8C4147AXI-S475 implements CAN 2.0B only, with support for Time-Triggered CAN (TTCAN) for deterministic scheduling. It does not support CAN FD's higher data rates or extended data length. For CAN FD, consider Infineon's newer Traveo II or AURIX families.
Can the CapSense block operate during Deep Sleep mode?
Yes. The CapSense sigma-delta engine remains fully functional in Deep Sleep mode with typical current consumption of 15 µA for continuous scanning. This enables wake-on-touch functionality without CPU intervention, preserving system-level power efficiency.
What development tools are required for firmware programming?
PSoC Creator IDE (free, Windows-only) is the official tool for schematic-based design, component configuration, and code generation. Programming and debug use the standard Arm Serial-Wire Debug (SWD) interface with MiniProg3 or KitProg3 programmers - no proprietary hardware or license fees required.
Is the 12-bit SAR ADC capable of simultaneous sampling?
No. The SAR ADC has a single conversion core with a channel sequencer supporting up to 32 channels in automatic scan mode, but it performs conversions sequentially - not simultaneously. For true simultaneous sampling, external dual ADCs or higher-tier PSoC devices with parallel ADC architectures are required.
CY8C4147AXI-S475 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 64-LQFP
- Series:
- PSOC™ 4 CY8C4100S Plus
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0+
- Core Size:
- 32-Bit Single-Core
- Speed:
- 48MHz
- Connectivity:
- CANbus, 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 16x10b Slope, 16x12b SAR; D/A 2xIDAC
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C4147AXI-S475 FAQ
1.How can I place an order for CY8C4147AXI-S475 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147AXI-S475 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 CY8C4147AXI-S475 reliable?
The price and inventory of CY8C4147AXI-S475 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147AXI-S475 is usually 5 days.
3.What payment methods are accepted for CY8C4147AXI-S475?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4147AXI-S475 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4147AXI-S475?
CY8C4147AXI-S475 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147AXI-S475 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 CY8C4147AXI-S475?
For technical support, including CY8C4147AXI-S475 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147AXI-S475 requirements.
6.How does Aetrix verify that CY8C4147AXI-S475 is sourced from the original manufacturer or authorized distributors?
All CY8C4147AXI-S475 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 CY8C4147AXI-S475 meets industry standards.
7.What is the process for return or replacement of CY8C4147AXI-S475?
All CY8C4147AXI-S475 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147AXI-S475, 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 CY8C4147AXI-S475 part is unused and in its original packaging.
Return procedure for CY8C4147AXI-S475:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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