Infineon Technologies CY8C4547AZI-S463
- Part No.:
- CY8C4547AZI-S463
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
CY8C4547AZI-S463.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 48TQFP
- Quantity:
- Payment:

- Shipping:

Inventory:2,869
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Product details
Overview
CY8C4547AZI-S463 from Infineon is a PSoC™ 4500S-series 32-bit Arm® Cortex®-M0+ microcontroller with 256 KB flash, 32 KB SRAM, and integrated CAPSENSE™ capacitive sensing. It features dual 12-bit 1-Msps SAR ADCs, four reconfigurable opamps, five reconfigurable SCBs (I²C/SPI/UART), and eight TCPWM blocks. Used in industrial HMI, smart sensor nodes, and motor control interfaces requiring embedded analog-digital co-processing.
For engineers reviewing the CY8C4547AZI-S463 datasheet, CY8C4547AZI-S463 pinout, CY8C4547AZI-S463 application, or CY8C4547AZI-S463 equivalent, key selection criteria include Deep Sleep current (2.5 µA), CapSense SNR (>5:1), 48-MHz CPU clock, programmable GPIO drive strength, and hardware-accelerated FOC/PFC via MCA block.
Technical Context
The device integrates a single-core Arm Cortex-M0+ CPU running at up to 48 MHz with two hardware divide/square-root accelerators and an 8-channel DMA engine. Memory subsystem includes 256 KB flash with Read Accelerator and 32 KB SRAM with parity protection.
Analog resources comprise two simultaneous-sampling 12-bit SAR ADCs (1 Msps), four opamps supporting comparator/ADC-buffer modes in Deep Sleep, two IDACs, and a dedicated capacitance-sensing sigma-delta ADC. Digital peripherals include five reconfigurable Serial Communication Blocks and eight TCPWM units supporting center-aligned PWM, quadrature decoding, and comparator-triggered kill signals.
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 |
| Flash / SRAM | 256 KB flash with Read Accelerator; 32 KB SRAM - supports complex firmware with fast code execution and data buffering |
| ADC Performance | Dual 12-bit SAR, 1 Msps, simultaneous sampling - allows synchronized multi-channel acquisition for motor current/voltage monitoring |
| CapSense SNR | >5:1 signal-to-noise ratio - ensures reliable touch detection under wet or noisy EMI conditions |
| Deep Sleep Current | 2.5 µA digital system current - enables battery-powered operation for years in sensor endpoint applications |
| GPIO Count | Up to 53 programmable pins - supports mixed-signal I/O routing for custom analog front-ends and digital interfaces |
| SCB Count | 5 reconfigurable Serial Communication Blocks - provides concurrent I²C, SPI, and UART without external transceivers |
Pinout & Package
Package: 48-pin TQFP (7 mm × 7 mm, 0.5-mm pitch), RoHS-compliant, lead-free.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Core power supply | 1.71–5.5 V input; powers digital logic, CPU, and SRAM |
| VDDA | Analog power supply | Separate 1.71–5.5 V rail for ADC, opamps, and CapSense to reduce noise coupling |
| XRES | External reset input | Active-low asynchronous reset; internal pull-up enables standalone operation |
| SWDCK / SWDIO | Serial Wire Debug interface | Two-pin debug port supporting full-chip programming, tracing, and real-time register inspection |
| P0[0]–P0[7] | Programmable GPIO bank | Supports CapSense, analog input, high-drive output, or digital communication with configurable slew rate |
Key Features
| Feature | Design Value |
|---|---|
| SmartSense auto-tuning | Hardware-accelerated CapSense calibration eliminates manual threshold tuning across temperature/humidity |
| Motor Control Accelerator (MCA) | Dedicated hardware square root/divide unit reduces FOC loop latency by >60% vs. software-only implementation |
| Reconfigurable SCBs | Five independent serial blocks each dynamically assignable as I²C master/slave, SPI master/slave, or UART - no fixed peripheral pin constraints |
| Deep Sleep analog retention | Opamps, comparators, and CapSense block remain active at 2.5 µA system current - enables wake-on-touch or wake-on-analog-threshold |
| Programmable routing matrix | Automatic interconnect synthesis routes signals between analog/digital blocks and GPIOs without external traces or glue logic |
Applications
| Industrial HMI Panels | Smart Sensor Nodes |
|---|---|
Use Scenario: Touch-enabled operator interface on factory-floor equipment with glove/water resistance requirements. IC Role / Device Role / Timing Role: Main controller executing CapSense firmware, driving segmented LCD, and managing Modbus RTU over UART. Use Value: >5:1 CapSense SNR and SmartSense ensure reliable touch detection under oil, water, or ESD stress without recalibration. | Use Scenario: Battery-powered environmental sensor collecting temperature, humidity, and vibration via analog front-end. IC Role / Device Role / Timing Role: System-on-chip integrating SAR ADC sampling, low-power sleep scheduling, and BLE-ready UART communication. Use Value: 2.5 µA Deep Sleep current extends 10-year battery life; dual ADCs enable simultaneous temp/humidity acquisition. |
| BLDC Motor Controllers | Medical Diagnostic Devices |
Use Scenario: Compact 3-phase BLDC driver for HVAC blowers with field-oriented control and overcurrent protection. IC Role / Device Role / Timing Role: Real-time motor controller using MCA for FOC math, TCPWM for center-aligned PWM, and comparator-triggered kill signals. Use Value: Hardware-accelerated sqrt/divide cuts FOC loop time to <2 µs, enabling 20-kHz PWM switching with precise current regulation. | Use Scenario: Portable ECG monitor requiring high-precision analog front-end, low-noise signal conditioning, and patient isolation. IC Role / Device Role / Timing Role: Analog-digital hub performing 12-bit differential ADC sampling, opamp-based instrumentation amplification, and USB CDC communication. Use Value: Dedicated VDDA rail and programmable opamp gain/buffering achieve <10 µV RMS input-referred noise at 1 kHz bandwidth. |
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 |
|---|---|---|---|
| CY8C4548AZI-S463 | Same die, 64-pin TQFP package with 10 additional GPIOs and one extra SCB | Required when >53 GPIOs or sixth serial interface needed | Select only if board layout accommodates larger footprint and higher pin count |
| CY8C4248LQI-BL553 | Lower flash (256 KB same), but reduced SRAM (16 KB), no MCA, and no SmartSense | Suitable for cost-sensitive CapSense-only designs without motor control or advanced analog processing | Choose when FOC acceleration, dual ADC simultaneous sampling, or Deep Sleep analog retention are not required |
Compared with CY8C4548AZI-S463, this part offers identical core performance in a smaller 48-pin package; versus CY8C4248LQI-BL553, it adds MCA, SmartSense, and full analog retention-critical for high-reliability motor and medical applications.
Availability
CY8C4547AZI-S463 is available at Aetrix Electronics and suitable for industrial HMI panels, smart sensor nodes, BLDC motor controllers, and portable medical diagnostic devices requiring stable component supply across long-lifecycle programs.
Supply support for CY8C4547AZI-S463 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 ICs, and embedded controllers, with global R&D centers and ISO/TS 16949-certified manufacturing.
This device belongs to the PSoC™ 4500S product line, engineered for applications demanding tightly integrated analog-digital signal processing, ultra-low-power operation, and field-proven capacitive sensing - especially in industrial automation and intelligent edge devices.
FAQ
What debug interface does CY8C4547AZI-S463 support?
CY8C4547AZI-S463 uses Arm Serial-Wire Debug (SWD) with two dedicated pins (SWDCK and SWDIO). It supports full-chip programming, real-time register inspection, memory read/write, and breakpoint debugging without external pods or emulators. The debug circuits are enabled by default and can be disabled in firmware for security.
Does CY8C4547AZI-S463 support hardware-accelerated motor control algorithms?
Yes - it includes a dedicated Motor Control Accelerator (MCA) with hardware square root and divide units. This reduces computational latency for Field-Oriented Control (FOC) and Power Factor Correction (PFC), enabling sub-2 µs loop times at 48 MHz. The MCA operates independently of the CPU, freeing cycles for communication or UI tasks.
Can all GPIO pins be used for CapSense functionality?
Yes - any of the up to 53 GPIO pins can be configured for CapSense, analog input/output, or digital functions. Pin assignment is fully flexible via PSoC Creator or ModusToolbox™ configuration tools. No fixed CapSense pin mapping exists; routing is synthesized automatically based on design intent and resource availability.
What is the maximum operating voltage and temperature range for CY8C4547AZI-S463?
CY8C4547AZI-S463 operates from 1.71 V to 5.5 V across the industrial temperature range of –40 °C to +85 °C. Its VDDA and VDDD rails are separately decoupled to maintain analog accuracy under wide supply and thermal variation, and it meets AEC-Q100 stress test requirements for reliability-critical applications.
CY8C4547AZI-S463 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 48-LQFP
- Series:
- PSOC™ 4 CY8C4500
- 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:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 5.5V
- Data Converters:
- A/D 16x10b Slope, 16x12b SAR; D/A 2xIDAC
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C4547AZI-S463 FAQ
1.How can I place an order for CY8C4547AZI-S463 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4547AZI-S463 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 CY8C4547AZI-S463 reliable?
The price and inventory of CY8C4547AZI-S463 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4547AZI-S463 is usually 5 days.
3.What payment methods are accepted for CY8C4547AZI-S463?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4547AZI-S463 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4547AZI-S463?
CY8C4547AZI-S463 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4547AZI-S463 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 CY8C4547AZI-S463?
For technical support, including CY8C4547AZI-S463 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4547AZI-S463 requirements.
6.How does Aetrix verify that CY8C4547AZI-S463 is sourced from the original manufacturer or authorized distributors?
All CY8C4547AZI-S463 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 CY8C4547AZI-S463 meets industry standards.
7.What is the process for return or replacement of CY8C4547AZI-S463?
All CY8C4547AZI-S463 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4547AZI-S463, 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 CY8C4547AZI-S463 part is unused and in its original packaging.
Return procedure for CY8C4547AZI-S463:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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