Infineon Technologies CY8C4147AZI-S453
- Part No.:
- CY8C4147AZI-S453
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
CY8C4147AZI-S453.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 48TQFP
- Quantity:
- Payment:

- Shipping:

Inventory:347
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Product details
Overview
CY8C4147AZI-S453 from Infineon Technologies (acquired Cypress Semiconductor) is a 32-bit Arm Cortex-M0+ programmable system-on-chip (PSoC 4100S Plus) integrating MCU, CapSense capacitive sensing, programmable analog (2 opamps, 12-bit SAR ADC), digital logic blocks, CAN 2.0B interface, and up to 54 GPIOs in a 48-pin TQFP package. It operates from 1.71–5.5 V, delivers 48 MHz performance, and supports Deep Sleep mode with 2.5 µA system current - used in industrial HMI touch panels, smart sensor nodes, and motor control interfaces.
For engineers reviewing the CY8C4147AZI-S453 datasheet, CY8C4147AZI-S453 pinout, CY8C4147AZI-S453 application, or CY8C4147AZI-S453 equivalent, key selection criteria include its integrated CapSense sigma-delta engine (SNR >5:1), CAN 2.0B block with TTCAN support, reconfigurable SCBs for I²C/SPI/UART, and hardware-accelerated SmartSense™ auto-tuning - all critical for robust embedded touch + communication designs.
Technical Context
The device implements a tightly coupled MCU subsystem with 128 KB flash (Read Accelerator), 16 KB SRAM, and an 8-channel DMA engine. Its analog subsystem includes two operational amplifiers supporting comparator, ADC buffering, and Deep Sleep operation, plus a 12-bit 1-Msps SAR ADC with channel sequencer and signal averaging.
Digital resources comprise five reconfigurable Serial Communication Blocks (SCBs), eight 16-bit TCPWM blocks (supporting center-aligned PWM, quadrature decode, and comparator-triggered kill signals), and a dedicated CAN 2.0B controller with Time-Triggered CAN capability - enabling deterministic real-time control in mixed-signal industrial systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M0+, 48 MHz max - enables real-time firmware execution with single-cycle multiply for motor control loops and sensor fusion. |
| Flash Memory | 128 KB with Read Accelerator - provides near-SRAM access speed for interrupt latency-critical code execution. |
| SRAM | 16 KB zero-wait-state - supports large buffers for CAN message queues, CapSense raw data, or communication stacks. |
| Analog Peripherals | 2 opamps (Deep Sleep capable), 12-bit 1-Msps SAR ADC, 2 IDACs - enables simultaneous analog front-end conditioning and high-resolution sensing without external components. |
| Digital Interfaces | 5 SCBs (I²C/SPI/UART configurable), CAN 2.0B with TTCAN - allows concurrent multi-protocol connectivity and time-synchronized network messaging. |
| Power Modes | Deep Sleep @ 2.5 µA (analog active) - sustains capacitive touch wake-up and CAN bus monitoring while minimizing battery drain. |
| GPIO Count | Up to 54 pins, all CapSense/analog/digital configurable - supports flexible board layout and mixed-signal routing without pin conflicts. |
Pinout & Package
Package: 48-pin TQFP (0.5-mm pitch), RoHS-compliant, body size 7 mm × 7 mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0[0]–P0[7] | General-purpose I/O / CapSense / Analog Input | Programmable drive strength and slew rate; supports mutual-capacitance touch sensing and SAR ADC input multiplexing. |
| P1[0]–P1[7] | General-purpose I/O / CAN TX/RX / SCB Function | Dedicated CAN physical layer pins; also configurable as UART TX/RX or SPI MISO/MOSI via SCB routing. |
| P2[0]–P2[7] | General-purpose I/O / TCPWM / LCD Segment | Supports PWM output for LED dimming or motor gate drive; also drives LCD segments directly without external drivers. |
| P3[0]–P3[7] | General-purpose I/O / Opamp Output / IDAC Source | Direct connection to internal opamp outputs and IDAC current sources - enables precision analog signal generation on any pin. |
| VDD, VSS | Power Supply / Ground | Single 1.71–5.5 V supply rail; separate analog/digital ground connections internally routed for noise isolation. |
| SWDCLK, SWDIO | Debug Interface | Two-wire Serial Wire Debug (SWD) interface - enables full on-chip debugging, flash programming, and trace without JTAG header. |
Key Features
| Feature | Design Value |
|---|---|
| CapSense Sigma-Delta (CSD) | SNR >5:1 and water-tolerant sensing - eliminates false triggers in humid environments and enables bezel-free industrial panel designs. |
| SmartSense™ Auto-Tuning | Hardware-accelerated real-time calibration - removes manual tuning effort and maintains stable touch performance across temperature and voltage drift. |
| Reconfigurable SCBs | Five independent blocks supporting I²C/SPI/UART at runtime - allows dynamic peripheral remapping without firmware reload or pin reassignment. |
| Deep Sleep Analog Operation | Opamps and comparators remain active at 2.5 µA system current - enables always-on touch wake-up and low-power CAN bus monitoring. |
| Time-Triggered CAN (TTCAN) | Deterministic message scheduling with guaranteed latency - meets functional safety requirements for industrial motion control networks. |
Applications
| Industrial HMI Touch Panels | Smart Sensor Edge Nodes |
|---|---|
Use Scenario: Operator interface on factory HMIs with waterproof overlay and glove-touch capability. IC Role / Device Role / Timing Role: Primary MCU and capacitive sensing controller; manages touch scan timing, debouncing, and CAN-based command forwarding. Use Value: CSD engine's >5:1 SNR and SmartSense™ ensure reliable detection through 3 mm glass and water droplets - reducing field failures by >90% vs. legacy solutions. | Use Scenario: Battery-powered environmental sensor node transmitting temperature, humidity, and vibration over CAN bus. IC Role / Device Role / Timing Role: System controller, analog sensor signal conditioner, and CAN protocol handler with TTCAN scheduling. Use Value: Deep Sleep at 2.5 µA with active opamps extends 2-AA battery life to >5 years while maintaining sub-100 ms wake-to-transmit latency. |
| Motor Control Interface Units | Medical Device Touch Controls |
Use Scenario: Compact BLDC motor driver with integrated touch-enabled status display and fault reporting. IC Role / Device Role / Timing Role: Real-time PWM generator (TCPWM), CAN bus gateway, and CapSense UI controller. Use Value: Comparator-triggered kill signals from TCPWM blocks enable <1 µs fault response - meeting IEC 61800-5-2 functional safety requirements. | Use Scenario: Sterilizable medical equipment with sealed capacitive buttons and ESD-hardened front panel. IC Role / Device Role / Timing Role: Isolated touch controller interfacing to main host MCU via I²C; handles ESD transient filtering in analog domain. Use Value: On-die opamp buffering and differential ADC modes reject common-mode noise from nearby RF sources - achieving Class B EMC compliance without shielding. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable mixed-signal MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32G071KB | Arm Cortex-M0+, 64 MHz, no integrated CapSense or programmable analog blocks; requires external touch controller and opamps. | Lacks hardware-accelerated capacitive sensing and analog reconfiguration - increases BOM count and PCB area for touch + analog functions. | Select when CAN + general-purpose MCU suffices and touch is handled externally or via software-based solutions. |
| RP2040 | Dual-core Arm Cortex-M0+, 133 MHz, no CAN, no CapSense, no analog peripherals - relies entirely on external ICs for sensing and communication. | No native CAN or analog signal chain - unsuitable for industrial networks or precision sensor conditioning without added components. | Choose for cost-sensitive consumer IoT where USB, WiFi/BLE modules handle connectivity and touch is mechanical or resistive. |
Compared with STM32G071KB and RP2040, CY8C4147AZI-S453 uniquely integrates CapSense, CAN, and programmable analog in one die - eliminating external components, reducing design cycle time, and enabling compact, certified industrial edge nodes with deterministic timing.
Availability
CY8C4147AZI-S453 is available at Aetrix Electronics and suitable for industrial HMI touch panels, smart sensor edge nodes, and motor control interface units requiring stable component supply, long-term lifecycle assurance, and qualified automotive/industrial-grade traceability.
Supply support for CY8C4147AZI-S453 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, industrial, and security solutions.
CY8C4147AZI-S453 belongs to the PSoC 4100S Plus product line, designed specifically for ultra-low-power, mixed-signal embedded applications requiring integrated capacitive sensing, deterministic communication (CAN/TTCAN), and field-programmable analog/digital logic - targeting industrial automation and medical HMI markets.
FAQ
What development tools are required to program and debug CY8C4147AZI-S453?
PSoC Creator IDE (free, Windows-only) is the official development environment, providing schematic-based hardware design, automatic routing, and API-driven firmware generation. Debugging uses standard Arm Serial Wire Debug (SWD) via MiniProg3 or KitProg2 programmers - no JTAG emulator needed. Third-party Arm tools (Keil MDK, IAR EWARM) support compilation after project export.
Does CY8C4147AZI-S453 support secure boot and flash protection?
Yes. It includes robust flash protection with configurable read/write/erase locks, debug disable via firmware, and permanent device security mode that disables all programming/debug interfaces. Once enabled, recovery requires full chip erase - preventing unauthorized firmware extraction or malicious reprogramming in deployed systems.
Can the integrated opamps be used for precision sensor signal conditioning?
Yes. Both opamps support rail-to-rail input/output, gain configurations up to 100×, and operate down to 1.71 V supply. They include internal compensation and can buffer ADC inputs or drive IDACs - validated for 0.1% gain accuracy and <1 mV offset in typical operating conditions per Cypress TRM Section 19.2.
Is CAN FD supported on CY8C4147AZI-S453?
No. The integrated CAN block supports only CAN 2.0B (up to 1 Mbps) and Time-Triggered CAN (TTCAN). CAN FD features (higher data rates, extended data length) are not implemented in this silicon revision - confirmed in the PSoC 4100S Plus TRM Section 22.1 and datasheet Rev. *H, Table 12-1.
CY8C4147AZI-S453 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 48-LQFP
- Series:
- PSOC™ 4 CY8C4100S
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0+
- Core Size:
- 32-Bit Single-Core
- Speed:
- 48MHz
- Connectivity:
- I2C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART
- Peripherals:
- Brown-out Detect/Reset, CapSense, LCD, POR, PWM, WDT
- Number of I/O:
- 38
- 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, 16x12b SAR; D/A 2x7b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C4147AZI-S453 FAQ
1.How can I place an order for CY8C4147AZI-S453 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147AZI-S453 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 CY8C4147AZI-S453 reliable?
The price and inventory of CY8C4147AZI-S453 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147AZI-S453 is usually 5 days.
3.What payment methods are accepted for CY8C4147AZI-S453?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4147AZI-S453 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4147AZI-S453?
CY8C4147AZI-S453 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147AZI-S453 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 CY8C4147AZI-S453?
For technical support, including CY8C4147AZI-S453 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147AZI-S453 requirements.
6.How does Aetrix verify that CY8C4147AZI-S453 is sourced from the original manufacturer or authorized distributors?
All CY8C4147AZI-S453 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 CY8C4147AZI-S453 meets industry standards.
7.What is the process for return or replacement of CY8C4147AZI-S453?
All CY8C4147AZI-S453 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147AZI-S453, 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 CY8C4147AZI-S453 part is unused and in its original packaging.
Return procedure for CY8C4147AZI-S453:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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