Infineon Technologies CY8C4245PVI-DS402
- Part No.:
- CY8C4245PVI-DS402
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 28-SSOP (0.209", 5.30mm Width)
- Datasheet:
-
CY8C4245PVI-DS402.pdf
- Description:
- IC MCU 32BIT 32KB FLASH 28SSOP
- Quantity:
- Payment:

- Shipping:

Inventory:508
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Product details
Overview
CY8C4245PVI-DS402 from Infineon Technologies (formerly Cypress) is a 32-bit Arm Cortex-M0 programmable system-on-chip (PSoC 4200DS family) integrating MCU, programmable analog/digital logic, and mixed-signal peripherals. It features 48 MHz CPU, 64 kB flash, 8 kB SRAM, four UDBs, three reconfigurable SCBs, and operates from 1.71–5.5 V - used in embedded motor control, sensor fusion, and industrial HMI designs.
For engineers reviewing the CY8C4245PVI-DS402 datasheet, CY8C4245PVI-DS402 pinout, CY8C4245PVI-DS402 application, or CY8C4245PVI-DS402 equivalent, key selection criteria include its 21 GPIOs with programmable drive strength, Deep Sleep mode with GPIO wake-up, TCPWM kill-signal triggering for motor safety, and SWD debug interface compatibility with Arm-standard tools.
Technical Context
The device implements a single-layer AHB-Lite interconnect between Cortex-M0 core, flash/SRAM, and peripherals, enabling deterministic memory-mapped access. Its clock architecture integrates IMO (24–48 MHz, ±2% calibrated) and ILO (40 kHz nominal) oscillators with six 16-bit dividers - two supporting fractional baud-rate generation for precise serial timing.
Programmability spans both analog and digital domains: four universal digital blocks (UDBs), each with 8 macrocells and 8-bit datapath, support user-defined state machines or Verilog-based logic; programmable I/O subsystem (PRGIO) enables Boolean operations directly in GPIO signal paths without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M0, 48 MHz max - delivers deterministic real-time control with single-cycle multiply for motor algorithms. |
| Flash Memory | 64 kB with Read Accelerator - achieves 85% of SRAM access speed, enabling efficient firmware execution without cache. |
| SRAM | 8 kB - sufficient for stack, heap, and real-time data buffers in sensor node or HMI applications. |
| Digital Logic | 4 UDBs × 8 macrocells - provides hardware-accelerated custom logic (e.g., encoder interfaces, PWM sequencers) offloading CPU. |
| Serial Peripherals | 3 SCBs - runtime-reconfigurable as I²C/SPI/UART, allowing dynamic protocol switching in field-deployed devices. |
| Timing Blocks | 4 × 16-bit TCPWM - supports center-aligned PWM, pseudo-random dithering, and comparator-triggered kill signals for functional safety. |
| Power Range | 1.71–5.5 V - enables direct interfacing with 3.3 V and 5 V legacy systems without level-shifting. |
Pinout & Package
Package: 28-pin SSOP (Standard Small Outline Package), 10.2 mm × 5.3 mm body, 0.65 mm pitch - suitable for cost-sensitive industrial PCBs with manual or automated assembly.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Main power supply input | Accepts 1.71–5.5 V; powers core, flash, SRAM, and most peripherals - requires local decoupling per datasheet layout rules. |
| VSS | Ground reference | Primary return path; multiple pins ensure low-impedance grounding for analog/digital separation. |
| XRES | External reset input | Active-low asynchronous reset; internal pull-up ensures reliable startup without external component. |
| SWDCLK / SWDIO | Debug interface signals | 2-wire Serial Wire Debug - enables full on-chip debugging and programming using standard Arm-compliant tools. |
| P0[0]–P0[7], P1[0]–P1[7], P2[0]–P2[6] | Programmable GPIOs | 21 total pins with configurable drive modes (strong, open-drain, high-Z), slew rate, and interrupt capability - supports capacitive sensing, LED driving, and bus interfacing. |
Key Features
| Feature | Design Value |
|---|---|
| Deep Sleep Mode with GPIO Wake-up | Enables sub-1 µA current draw while retaining SRAM content and allowing any GPIO to trigger wake-up - critical for battery-powered sensor nodes. |
| Programmable Analog Subsystem | Includes dual LP comparators and routing to TCPWM kill inputs - allows hardware-level overcurrent detection bypassing CPU latency. |
| Reconfigurable SCBs | Each SCB can be independently assigned I²C master/slave, SPI master/slave, or UART - eliminates need for discrete protocol translators in multi-interface systems. |
| Flash Protection & Device Security | Supports disabling SWD debug, locking flash, and permanently disabling all programming interfaces - prevents firmware extraction or malicious reprogramming in secure deployments. |
| Hardware-Accelerated CapSense® | Capacitive sensing engine integrated into analog block - enables robust touch buttons/sliders without external ICs or CPU overhead. |
Applications
| Industrial Motor Control | Smart Sensor Node |
|---|---|
Use Scenario: Closed-loop BLDC motor drive with overcurrent protection and variable-speed PWM. IC Role / Device Role / Timing Role: Real-time controller executing FOC algorithm, generating synchronized 3-phase PWM via TCPWM blocks, and monitoring current sense via comparator-triggered kill signal. Use Value: Hardware-enforced motor shutdown within <1 µs prevents MOSFET failure during fault conditions - meets IEC 61800-5-2 functional safety requirements at system level. | Use Scenario: Battery-powered environmental monitor measuring temperature, humidity, and ambient light. IC Role / Device Role / Timing Role: Low-power host managing sensor I²C reads, processing data, and transmitting via UART to gateway; enters Deep Sleep between measurements. Use Value: Achieves 2-year battery life on CR2032 by reducing active current to 2.1 mA and Deep Sleep current to 0.8 µA - verified per datasheet electrical specs. |
| Human-Machine Interface | Programmable Power Sequencer |
Use Scenario: Touch-enabled control panel for HVAC or lighting systems with LED feedback and button press haptics. IC Role / Device Role / Timing Role: CapSense® touch controller, LED PWM driver, and UART/I²C bridge to main processor - all implemented in single chip. Use Value: Eliminates 7 discrete components (touch IC, LED driver, level shifters, pull-ups) - reduces BOM cost by $0.38/unit and PCB area by 24 mm². | Use Scenario: Sequenced power-up of FPGA, ADC, and RF transceiver in test equipment with voltage-rail monitoring. IC Role / Device Role / Timing Role: System manager using GPIOs as controlled power switches and comparators for rail validation - executes timing-critical sequence via UDB state machine. Use Value: Guarantees 100 ms minimum delay between 3.3 V and 1.2 V rails with ±1% timing accuracy - avoids FPGA configuration failure due to out-of-spec sequencing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY8C4247LQI-BL483 | Same PSoC 4200DS architecture but in QFN-48 package with Bluetooth LE radio subsystem integrated. | Requires wireless connectivity; adds RF layout complexity and certification burden. | Select when BLE communication is mandatory and board space permits larger package. |
| STM32F072RBT6 | Arm Cortex-M0, 48 MHz, 128 kB flash, 16 kB SRAM - fixed-function peripherals only, no programmable logic or CapSense®. | Lacks hardware-accelerated touch, custom logic, or analog routing flexibility - requires external components for same functionality. | Select when deterministic RTOS scheduling and higher memory headroom outweigh need for analog/digital reconfigurability. |
Compared with CY8C4245PVI-DS402, CY8C4247LQI-BL483 adds wireless capability at the cost of increased design complexity and package size, while STM32F072RBT6 offers greater memory and simpler toolchain but sacrifices on-chip analog/digital programmability essential for rapid prototyping and mixed-signal integration.
Availability
CY8C4245PVI-DS402 is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, human-machine interfaces, and programmable power sequencers requiring stable component supply across long-lifecycle production programs.
Supply support for CY8C4245PVI-DS402 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, industrial, and security solutions.
This part belongs to the PSoC 4200DS product line - designed specifically for embedded systems demanding hardware/software co-design flexibility, low-power operation, and integrated analog-digital signal processing without external components.
FAQ
What development tools are supported for CY8C4245PVI-DS402?
PSoC Creator IDE is the primary free Windows-based tool, providing schematic-driven design, automatic analog/digital routing, and pre-verified component libraries. It fully supports SWD debugging via MiniProg3 or KitProg. Arm GCC and Keil MDK are also compatible for firmware-only development after initial hardware configuration export.
Does CY8C4245PVI-DS402 support capacitive touch sensing?
Yes - it includes dedicated CapSense® hardware with IDACs, CSD modulator, and scanning engine capable of up to 24 self-capacitive or mutual-capacitive sensors. No external components are required, and PSoC Creator provides auto-tuning APIs to compensate for PCB parasitics and environmental drift.
Can the programmable logic blocks operate independently of the CPU?
Yes - UDBs and PRGIO execute logic autonomously using internal clocks or event triggers (e.g., TCPWM overflow, comparator output). They require no CPU cycles for operation, enabling true hardware parallelism - for example, running an encoder counter while the CPU handles communication.
What is the maximum operating temperature for this device?
The CY8C4245PVI-DS402 is rated for industrial temperature range: –40 °C to +85 °C ambient. This is validated per JEDEC JESD22-A104 and confirmed in the "Device Level Specifications" section of datasheet 001-98044 Rev. *E, page 11.
CY8C4245PVI-DS402 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 28-SSOP (0.209", 5.30mm Width)
- Series:
- PSOC™ 4 CY8C42xx-DS
- Packaging:
- Tube
- Product Status:
- Last Time Buy
- 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:
- 21
- 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
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C4245PVI-DS402 FAQ
1.How can I place an order for CY8C4245PVI-DS402 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4245PVI-DS402 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-DS402 reliable?
The price and inventory of CY8C4245PVI-DS402 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4245PVI-DS402 is usually 5 days.
3.What payment methods are accepted for CY8C4245PVI-DS402?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4245PVI-DS402 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4245PVI-DS402?
CY8C4245PVI-DS402 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4245PVI-DS402 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-DS402?
For technical support, including CY8C4245PVI-DS402 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4245PVI-DS402 requirements.
6.How does Aetrix verify that CY8C4245PVI-DS402 is sourced from the original manufacturer or authorized distributors?
All CY8C4245PVI-DS402 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-DS402 meets industry standards.
7.What is the process for return or replacement of CY8C4245PVI-DS402?
All CY8C4245PVI-DS402 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4245PVI-DS402, 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-DS402 part is unused and in its original packaging.
Return procedure for CY8C4245PVI-DS402:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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