Infineon Technologies CY8C4547AZQ-S475
- Part No.:
- CY8C4547AZQ-S475
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
CY8C4547AZQ-S475.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 64TQFP
- Quantity:
- Payment:

- Shipping:

Inventory:3,565
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Product details
Overview
CY8C4547AZQ-S475 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 four opamps, two 12-bit 1-Msps SAR ADCs, five reconfigurable Serial Communication Blocks (SCBs), and eight TCPWM blocks. Used in touch-enabled industrial HMI and motor control systems requiring analog-digital co-processing.
For engineers reviewing the CY8C4547AZQ-S475 datasheet, CY8C4547AZQ-S475 pinout, CY8C4547AZQ-S475 application, or CY8C4547AZQ-S475 equivalent, key selection criteria include Deep Sleep current (2.5 µA), CapSense SNR (>5:1), programmable analog routing, and hardware-accelerated FOC/PFC via MCA block.
Technical Context
The device integrates a 48-MHz Arm Cortex-M0+ CPU with dual 12-bit SAR ADCs supporting simultaneous sampling and channel sequencing with signal averaging. Its analog subsystem includes four reconfigurable opamps-operable in Deep Sleep-and two IDACs for capacitive sensing on any GPIO.
Digital resources comprise five run-time reconfigurable SCBs (I²C/SPI/UART), eight TCPWM blocks with quadrature decode and comparator-triggered kill signals, and programmable logic blocks enabling Boolean operations directly on port I/O without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M0+, 48 MHz - 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 | Two 12-bit 1-Msps SAR ADCs with differential mode and sequencer - allows synchronized multi-channel acquisition for sensor fusion |
| CapSense | Capacitive sigma-delta engine with >5:1 SNR and SmartSense auto-tuning - delivers robust water-tolerant touch detection without manual calibration |
| Power Modes | Deep Sleep at 2.5 µA with operational analog - sustains capacitive sensing and comparator wake-up while minimizing system energy |
| GPIO | Up to 53 programmable pins with configurable drive strength/slew rate - supports mixed-signal routing, LCD segment drive, and CapSense on any pin |
| Clock Sources | 4–33 MHz ECO, 32-kHz WCO, ±2% IMO, 40-kHz ILO - provides precision timing and low-power RTC capability across operating conditions |
Pinout & Package
Package: 48-pin TQFP (0.5-mm pitch), RoHS-compliant, surface-mount.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Core & I/O supply | 1.71–5.5 V input; powers digital logic, analog blocks, and GPIO drivers |
| VSS | Ground reference | Common return path for all analog/digital domains; requires low-impedance PCB connection |
| P0[0]–P0[7] | Programmable GPIO | Support CapSense, analog input/output, digital logic, or SCB peripheral assignment via firmware |
| SWDCLK / SWDIO | Debug interface | Arm Serial-Wire Debug pins for programming, tracing, and full-chip debugging without external pods |
| XRES | Reset input | Active-low asynchronous reset; internal pull-up ensures reliable power-on initialization |
Key Features
| Feature | Design Value |
|---|---|
| Hardware Motor Control Accelerator (MCA) | Integrated square root/divide unit accelerates Field Oriented Control (FOC) and Power Factor Correction (PFC) loop execution by >3× vs. software-only implementation |
| Programmable Analog Routing | Automatic interconnection of opamps, ADCs, comparators, and IDACs eliminates external passive components and reduces layout complexity |
| Reconfigurable SCBs | Five independent serial blocks dynamically assignable as I²C master/slave, SPI master/slave, or UART - simplifies protocol adaptation without hardware change |
| SmartSense Auto-Tuning | Firmware-managed CapSense calibration adjusts baseline, sensitivity, and noise thresholds in real time - eliminates factory tuning and field recalibration |
Applications
| Industrial HMI Panels | Brushless DC Motor Controllers |
|---|---|
Use Scenario: Touch-enabled operator interface on factory-floor equipment with glove operation and liquid splash resistance. IC Role / Device Role / Timing Role: Primary MCU executing CapSense firmware, driving segmented LCD, and managing CAN/I²C communication with PLC backplane. Use Value: >5:1 SNR and water tolerance enable reliable touch under harsh conditions; Deep Sleep mode extends battery life in portable HMIs. | Use Scenario: Closed-loop speed/torque control of BLDC motors in HVAC blowers and industrial pumps. IC Role / Device Role / Timing Role: Real-time motor controller running FOC algorithm using MCA hardware acceleration and quadrature encoder input via TCPWM. Use Value: Hardware square root/divide reduces FOC loop latency to <2 µs; comparator-triggered kill signals ensure safe shutdown during overcurrent events. |
| Smart Home Sensor Hubs | Medical Patient Monitoring Devices |
Use Scenario: Multi-sensor aggregation node collecting temperature, humidity, and occupancy data via I²C sensors and local touch controls. IC Role / Device Role / Timing Role: System-on-chip handling sensor acquisition (dual SAR ADC), CapSense buttons, BLE connectivity (via SCB), and low-power scheduling. Use Value: Simultaneous sampling across ADC channels enables precise time-aligned sensor fusion; 2.5 µA Deep Sleep extends coin-cell battery life to >2 years. | Use Scenario: Portable vital-sign monitor with ECG front-end, SpO₂ LED driver, and capacitive touch UI for clinical staff. IC Role / Device Role / Timing Role: Mixed-signal controller interfacing analog sensor signals (opamp-buffered ECG), driving IDACs for SpO₂ photodiode bias, and managing USB CDC communication. Use Value: Reconfigurable opamps support both high-gain ECG amplification and low-noise current sourcing; programmable drive strength ensures safe skin-contact compliance. |
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 |
|---|---|---|---|
| CY8C4548AZQ-S475 | Same die, 64-pin TQFP package with 53 GPIOs vs. 48-pin's 44 GPIOs; identical peripherals and memory | Requires larger PCB footprint; preferred when additional GPIOs or SCB count needed for complex I/O expansion | Select for designs needing >44 GPIOs or future-proofing with pin-compatible upgrade path |
| CY8C4247AZI-S475 | Lower-tier PSoC™ 4200S variant: 128 KB flash, 16 KB SRAM, no MCA block, single SAR ADC, no SmartSense | Suitable only for basic CapSense + simple control; lacks FOC acceleration and simultaneous ADC sampling | Select only for cost-sensitive, non-motor-control applications where MCA and dual ADC are unnecessary |
Compared with CY8C4547AZQ-S475, CY8C4548AZQ-S475 offers identical performance in a larger package for I/O scalability, while CY8C4247AZI-S475 sacrifices MCA, dual ADC, and SmartSense to reduce BOM cost - making it viable only for entry-level touch-and-control use cases.
Availability
CY8C4547AZQ-S475 is available at Aetrix Electronics and suitable for industrial HMI panels, BLDC motor controllers, smart home sensor hubs, and medical patient monitoring devices requiring stable component supply and long-term lifecycle support.
Supply support for CY8C4547AZQ-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 is a German semiconductor manufacturer specializing in power management, automotive ICs, and embedded controllers, with global R&D and manufacturing infrastructure.
The PSoC™ 4500S product line targets high-integration embedded applications demanding concurrent analog-digital processing, robust capacitive sensing, and motor control acceleration - especially where board space, power efficiency, and design flexibility are critical.
FAQ
What debug interfaces does CY8C4547AZQ-S475 support?
CY8C4547AZQ-S475 uses Arm Serial-Wire Debug (SWD) with dedicated SWDCLK and SWDIO pins. It supports full-chip programming, real-time tracing, and on-chip debugging without external emulators. Debug circuits are enabled by default but can be disabled in firmware; re-enabling requires full flash erase and reprogramming.
Does CY8C4547AZQ-S475 support hardware-accelerated cryptographic functions?
No. CY8C4547AZQ-S475 does not include dedicated cryptographic accelerators (e.g., AES, SHA, TRNG). Security relies on flash protection, debug disable, and customer-implemented software algorithms. For hardware crypto, consider Infineon's PSoC™ 6 series with dedicated CryptoBlock.
Can all GPIO pins be used for CapSense in CY8C4547AZQ-S475?
Yes. All 44 GPIO pins in the 48-pin TQFP package support CapSense functionality. The device's capacitive sigma-delta sensing engine routes internally to any pin, and SmartSense auto-tuning adapts sensitivity per electrode - eliminating fixed pin assignments or external components.
What is the maximum operating temperature range for CY8C4547AZQ-S475?
CY8C4547AZQ-S475 is rated for industrial temperature range: –40 °C to +85 °C ambient. This is specified in the Absolute Maximum Ratings table (Section 5.1) and validated across all electrical parameters in Section 5.2 of the official datasheet Rev. *E.
CY8C4547AZQ-S475 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 64-LQFP
- Series:
- PSOC™ 4 CY8C4500
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0+
- Core Size:
- 32-Bit
- 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:
- 53
- 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, 20x12b SAR; D/A 2x7/8b
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C4547AZQ-S475 FAQ
1.How can I place an order for CY8C4547AZQ-S475 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4547AZQ-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 CY8C4547AZQ-S475 reliable?
The price and inventory of CY8C4547AZQ-S475 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4547AZQ-S475 is usually 5 days.
3.What payment methods are accepted for CY8C4547AZQ-S475?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4547AZQ-S475 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4547AZQ-S475?
CY8C4547AZQ-S475 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4547AZQ-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 CY8C4547AZQ-S475?
For technical support, including CY8C4547AZQ-S475 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4547AZQ-S475 requirements.
6.How does Aetrix verify that CY8C4547AZQ-S475 is sourced from the original manufacturer or authorized distributors?
All CY8C4547AZQ-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 CY8C4547AZQ-S475 meets industry standards.
7.What is the process for return or replacement of CY8C4547AZQ-S475?
All CY8C4547AZQ-S475 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4547AZQ-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 CY8C4547AZQ-S475 part is unused and in its original packaging.
Return procedure for CY8C4547AZQ-S475:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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