Infineon Technologies CY8C4245PVI-482
- Part No.:
- CY8C4245PVI-482
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 28-SSOP (0.209", 5.30mm Width)
- Datasheet:
-
CY8C4245PVI-482.pdf
- Description:
- IC MCU 32BIT 32KB FLASH 28SSOP
- Quantity:
- Payment:

- Shipping:

Inventory:10,215
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Product details
Overview
CY8C4245PVI-482 from Infineon Technologies (formerly Cypress) is a 32-bit Arm® Cortex®-M0 programmable system-on-chip (PSoC® 4200 family) featuring 48 MHz CPU, 32 kB flash, 4 kB SRAM, 12-bit 1-Msps SAR ADC, two opamps with comparator mode, and capacitive sensing (CapSense® CSD). It integrates programmable analog/digital blocks, TCPWM timers, and dual SCB peripherals for reconfigurable I²C/SPI/UART in industrial HMI and sensor interface applications.
For engineers reviewing the CY8C4245PVI-482 datasheet, CY8C4245PVI-482 pinout, CY8C4245PVI-482 application, or CY8C4245PVI-482 equivalent, key selection criteria include its 48-pin TQFP package, 1.71–5.5 V operation, Deep Sleep current of 20 nA, CapSense SNR >5:1, and SWD debug interface compatibility with Arm toolchains.
Technical Context
The device implements a single-layer AHB-Lite interconnect between CPU, memory, and peripherals, with dedicated clock gating per subsystem to enable precise power mode control across Active, Sleep, Deep Sleep, Hibernate, and Stop modes. Its programmable analog subsystem includes two CTBm opamps supporting ADC input buffering, comparator latching, and high-drive external output - all configurable via firmware without hardware change.
Digital flexibility stems from four Universal Digital Blocks (UDBs), each containing eight macrocells and a data path, enabling user-defined state machines or custom logic synthesis via Verilog or schematic entry in PSoC Creator. Two SCBs provide runtime-reconfigurable serial interfaces, while four TCPWM blocks support center-aligned PWM, kill-signal triggering, and hardware-based sequencing for motor control timing integrity.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M0, 48 MHz max, single-cycle 32-bit multiply - enables deterministic real-time control with Thumb-2 binary compatibility for future migration. |
| Memory | 32 kB flash with Read Accelerator (1 WS @ 48 MHz), 4 kB SRAM retained in Hibernate - supports firmware updates and state retention during ultra-low-power wake cycles. |
| Analog ADC | 12-bit SAR ADC, 1 Msps, differential/single-ended, channel sequencer with signal averaging - delivers high-resolution sensor acquisition with noise reduction in embedded measurement systems. |
| Capacitive Sensing | CapSense Sigma-Delta (CSD) with SmartSense auto-tuning, SNR >5:1, water-tolerant - enables robust touch-button/slider implementation without manual calibration. |
| Power Modes | 20 nA Stop Mode with GPIO wakeup, Deep Sleep with LCD/SCB active - allows battery-powered devices to maintain communication or display while minimizing quiescent current. |
| Package | 48-pin TQFP (7 mm × 7 mm, 0.5 mm pitch) - provides mechanical stability and thermal performance for industrial PCB layouts with mixed-signal routing constraints. |
| Operating Temp | –40 °C to +105 °C - qualified for extended industrial environments including motor drives and factory automation edge nodes. |
Pinout & Package
Package: 48-pin TQFP (7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant, lead-free, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Single 1.71–5.5 V supply rail; decoupling required per datasheet layout guidelines to stabilize analog/digital domains. |
| P0[0]–P0[7], P1[0]–P1[7], P2[0]–P2[7], P3[0]–P3[7], P4[0]–P4[3] | Programmable GPIO | All 36 pins support CapSense, analog input/output, LCD segment/common, digital logic, and configurable drive strength/slew rate. |
| SWDIO, SWCLK | Serial Wire Debug interface | 2-wire JTAG-compatible debug port; enables full on-chip debugging, flash programming, and trace without external pods or emulators. |
| XRES | External reset input | Active-low asynchronous reset; internal pull-up ensures reliable startup when external reset circuitry is omitted. |
| XTAL_IN/XTAL_OUT | External crystal oscillator terminals | Supports 1–33 MHz crystals for precision timing; optional use with IMO or ILO internal oscillators for reduced BOM cost. |
Key Features
| Feature | Design Value |
|---|---|
| Programmable Analog Subsystem | Two CTBm opamps with reconfigurable drive modes, comparator latching, and ADC input buffering - eliminates need for external signal conditioning in sensor front-ends. |
| CapSense CSD Engine | Hardware-accelerated sigma-delta modulation with SmartSense auto-tuning - achieves production-ready touch performance without firmware tuning effort. |
| UDB-Based Logic | Four universal digital blocks, each with 8 macrocells and data path - enables custom counter, encoder, or protocol logic without consuming CPU cycles. |
| Low-Power Flexibility | Five power modes with sub-µA Deep Sleep and 20-nA Stop Mode - supports energy harvesting and coin-cell operation in portable industrial sensors. |
| Secure Flash Protection | Open/Protected/Kill flash security states with row-level read/write lock - prevents unauthorized firmware extraction or malicious reprogramming in field-deployed devices. |
Applications
| Industrial HMI Panels | Smart Sensor Nodes |
|---|---|
Use Scenario: Touch-enabled operator interface on PLC-mounted control panels exposed to vibration and EMI. IC Role / Device Role / Timing Role: Main controller executing CapSense scanning, UART communication to PLC, and local LED/LCD feedback with real-time response. Use Value: Integrated CapSense CSD engine with >5:1 SNR and water tolerance ensures reliable touch detection despite condensation or glove use. | Use Scenario: Battery-powered temperature/humidity node transmitting data over I²C to gateway in HVAC duct monitoring. IC Role / Device Role / Timing Role: Sensor hub aggregating analog sensor inputs via 12-bit SAR ADC, performing local calibration, and managing low-power sleep/wake cycles. Use Value: 20-nA Stop Mode with GPIO wakeup extends 10-year battery life while maintaining instant responsiveness to environmental triggers. |
| Motor Control Interface | Programmable Power Supply Monitor |
Use Scenario: Embedded safety monitor in brushless DC motor driver detecting overcurrent and initiating hardware kill signals. IC Role / Device Role / Timing Role: Real-time fault detector using comparator-triggered TCPWM kill outputs to disable gate drivers within <1 µs. Use Value: Comparator-based hardware kill path bypasses CPU latency, meeting IEC 61800-5-2 functional safety timing requirements. | Use Scenario: Voltage supervisor in medical-grade power module verifying ±1% regulation across 12 V, 5 V, and 3.3 V rails. IC Role / Device Role / Timing Role: Precision analog monitor using internal reference and SAR ADC to log rail deviations and trigger alerts via SPI. Use Value: On-chip 1.024 V reference and 12-bit ADC achieve ±0.5% measurement accuracy without external precision references. |
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 |
|---|---|---|---|
| CY8C4247LTI-483 | Same PSoC 4200 architecture but in 44-pin TQFP; 32 kB flash, 4 kB SRAM, identical peripherals - differs only in pin count and GPIO count (32 vs 36). | Limited GPIO availability restricts multi-interface designs requiring simultaneous CapSense, LCD, and dual SCB use. | Select when board space or cost constraints favor smaller package and design does not require all 36 GPIOs. |
| STM32F072RBT6 | Arm Cortex-M0 at 48 MHz, 128 kB flash, 16 kB SRAM, but fixed-function peripherals only - no programmable analog/digital blocks or CapSense hardware. | Lacks integrated capacitive sensing and reconfigurable logic; requires external components for touch or custom timing functions. | Select when deterministic RTOS-based firmware dominates and analog/digital flexibility is unnecessary. |
Compared with CY8C4245PVI-482, CY8C4247LTI-483 trades GPIO count for compactness, while STM32F072RBT6 offers larger memory but forfeits hardware-level analog/digital reconfigurability - making CY8C4245PVI-482 optimal for designs demanding field-tunable mixed-signal functionality in constrained industrial footprints.
Availability
CY8C4245PVI-482 is available at Aetrix Electronics and suitable for industrial HMI panels, smart sensor nodes, motor control interfaces, and programmable power supply monitors requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for CY8C4245PVI-482 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 global semiconductor leader headquartered in Munich, Germany, specializing in power management, automotive MCUs, and secure embedded solutions with strong industrial and automotive qualification heritage.
This part belongs to the PSoC® 4200 family - designed specifically for embedded systems requiring hardware-programmable analog and digital resources alongside Arm Cortex-M0 execution, targeting rapid prototyping and field-adaptable industrial control.
FAQ
Does CY8C4245PVI-482 support USB connectivity?
No. The device lacks native USB PHY or controller hardware. Communication is limited to I²C, SPI, and UART via its two SCB peripherals. USB functionality would require an external bridge IC or host-side translation, as confirmed in the PSoC 4200 Family Datasheet (Rev. *L, Section 8).
Can the internal opamps drive capacitive touch electrodes directly?
Yes. Each CTBm opamp supports high-drive external mode with up to 25 mA output current and programmable slew rate, enabling direct electrode driving in mutual-capacitance or self-capacitance CapSense configurations without external buffers.
Is the 12-bit SAR ADC capable of oversampling for higher resolution?
Yes. The ADC includes a hardware channel sequencer with configurable sample averaging (up to 64 samples per conversion), enabling effective resolution enhancement to 14+ bits for low-frequency sensor signals, as documented in the Electrical Specifications section (Page 23).
What debug tools are compatible with CY8C4245PVI-482?
The device supports standard Arm Serial Wire Debug (SWD) via MiniProg3, KitProg2/3, or third-party J-Link and ST-Link V2 adapters. PSoC Creator IDE provides full integration for programming, breakpoints, register inspection, and real-time variable watch - all using only SWDIO and SWCLK pins.
CY8C4245PVI-482 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 28-SSOP (0.209", 5.30mm Width)
- Series:
- PSOC™ 4 CY8C42xx
- Packaging:
- Tube
- 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, LVD, POR, PWM, WDT
- Number of I/O:
- 24
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 4K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 5.5V
- Data Converters:
- A/D 8x12b SAR; D/A 2xIDAC
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C4245PVI-482 FAQ
1.How can I place an order for CY8C4245PVI-482 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4245PVI-482 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 CY8C4245PVI-482 reliable?
The price and inventory of CY8C4245PVI-482 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4245PVI-482 is usually 5 days.
3.What payment methods are accepted for CY8C4245PVI-482?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4245PVI-482 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4245PVI-482?
CY8C4245PVI-482 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4245PVI-482 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 CY8C4245PVI-482?
For technical support, including CY8C4245PVI-482 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4245PVI-482 requirements.
6.How does Aetrix verify that CY8C4245PVI-482 is sourced from the original manufacturer or authorized distributors?
All CY8C4245PVI-482 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 CY8C4245PVI-482 meets industry standards.
7.What is the process for return or replacement of CY8C4245PVI-482?
All CY8C4245PVI-482 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4245PVI-482, 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 CY8C4245PVI-482 part is unused and in its original packaging.
Return procedure for CY8C4245PVI-482:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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