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Infineon Technologies CY8C4124PVQ-432
- Part No.:
- CY8C4124PVQ-432
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 28-SSOP (0.209", 5.30mm Width)
- Datasheet:
-
CY8C4124PVQ-432.pdf
- Description:
- IC MCU 32BIT 16KB FLASH 28SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,633
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Product details
Overview
CY8C4124PVQ-432 from Infineon Technologies (formerly Cypress Semiconductor) is a 32-bit Arm® Cortex™-M0 programmable system-on-chip (PSoC® 4100 family) integrating MCU, reconfigurable analog/digital blocks, 12-bit SAR ADC, two opamps, and dual SCB peripherals. It delivers 24 MHz CPU performance with up to 32 kB flash and 4 kB SRAM, operating from 1.71 V to 5.5 V across –40 °C to +105 °C. Used in capacitive touch HMI, industrial sensor nodes, and low-power embedded control.
For engineers reviewing the CY8C4124PVQ-432 datasheet, CY8C4124PVQ-432 pinout, CY8C4124PVQ-432 application, or CY8C4124PVQ-432 equivalent, key selection criteria include its 48-pin TQFP package, CapSense Sigma-Delta (CSD) support with >5:1 SNR, Deep Sleep current of 20 nA, dual I²C/SPI/UART-capable SCBs, and hardware-accelerated SmartSense™ auto-tuning for robust touch interfaces.
Technical Context
The device implements a single-layer AHB-Lite interconnect between Cortex-M0 CPU, SRAM, flash with read accelerator, and programmable analog/digital subsystems. Its clock architecture integrates IMO (24 MHz ±2%) and ILO (100 kHz ±50%), enabling glitch-free switching and precise timing for TCPWM, ADC sampling, and CapSense modulation.
Analog functionality centers on CTBm (Capacitive Touch Block) with CSD engine, two rail-to-rail opamps supporting comparator mode and ADC input buffering, and a 12-bit SAR ADC with 806 ksps throughput, differential input, and hardware channel sequencer with signal averaging - all configurable via PSoC Creator schematic entry.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M0, 24 MHz max, single-cycle 32-bit multiply - enables deterministic real-time control and binary upward compatibility with Cortex-M3/M4. |
| Flash / SRAM | 32 kB flash with Read Accelerator (0-wait-state at 24 MHz); 4 kB SRAM retained in Hibernate - supports firmware updates and state retention during ultra-low-power operation. |
| ADC | 12-bit SAR, 806 ksps, differential/single-ended, hardware channel sequencer with averaging - enables high-resolution sensor acquisition without CPU overhead. |
| CapSense | Cypress CapSense Sigma-Delta (CSD) with >5:1 SNR and water tolerance, SmartSense™ auto-tuning - eliminates manual calibration for production touch panels in humid environments. |
| Power Modes | Stop Mode: 20 nA; Deep Sleep: ~1.3 µA (with RTC); Hibernate: SRAM retention - allows battery-powered devices to operate for years on coin cells. |
| Peripherals | Two SCBs (I²C/SPI/UART reconfigurable at runtime); four 16-bit TCPWM blocks; two LP comparators active in Deep Sleep - provides flexible communication and timing without external components. |
| GPIO | Up to 36 programmable pins with configurable drive strength, slew rate, and CapSense/LCD/analog/digital roles - simplifies PCB layout and enables multi-function pin reuse. |
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 | Core & I/O supply | 1.71–5.5 V main power input; powers CPU, flash, SRAM, and GPIO; requires local 100 nF decoupling. |
| VSS | Digital ground | Reference return path for digital logic and I/O; must be connected to system ground plane. |
| XRES | Active-low reset | External asynchronous reset input; internal pull-up; debounced by hardware for reliable startup. |
| SWDCLK / SWDIO | Debug interface | Two-wire Serial Wire Debug (SWD) for programming and full-chip debugging; enabled by default, disableable in firmware. |
| P0[0]–P0[7] | Port 0 GPIO | Capable of CapSense, analog input/output, LCD segment/common, or digital I/O; each pin supports programmable drive modes including strong, open-drain, and high-Z. |
| SCB0_SDA / SCB0_SCL | I²C interface | Configurable as I²C data/clock for first serial communication block; supports standard/fast-mode (100/400 kHz) and slave/master operation. |
Key Features
| Feature | Design Value |
|---|---|
| Programmable Analog Subsystem | Two opamps with comparator mode + ADC input buffering enable sensor signal conditioning and threshold detection without external components. |
| CapSense CSD Engine | Hardware-accelerated sigma-delta modulation with >5:1 SNR and built-in water rejection - ensures reliable touch operation in wet or condensing environments. |
| SmartSense™ Auto-Tuning | Firmware-independent hardware tuning that dynamically adjusts sensor parameters (IDAC, scan speed, resolution) - eliminates factory calibration and reduces BOM cost. |
| Deep Sleep with Peripherals Active | LP comparators and RTC remain functional while CPU and flash are powered down, drawing only ~1.3 µA - extends battery life in always-on sensing applications. |
| Reconfigurable SCBs | Two independent serial communication blocks each configurable as I²C, SPI, or UART in runtime - enables dynamic protocol switching without hardware changes. |
Applications
| Industrial Sensor Node | Capacitive Touch HMI |
|---|---|
Use Scenario: Remote temperature/humidity monitoring node powered by CR2032 battery with wireless telemetry. IC Role / Device Role / Timing Role: Central controller managing sensor ADC reads, CapSense wake-on-touch, and low-power UART transmission to BLE module. Use Value: 20 nA Stop Mode and hardware-averaged ADC reduce average current to <1 µA, enabling >5-year battery life. | Use Scenario: Appliance control panel with slider, buttons, and proximity wake in kitchen environment. IC Role / Device Role / Timing Role: Dedicated CapSense processor with CSD engine and SmartSense™ auto-tuning for self-calibrating touch response. Use Value: >5:1 SNR and water tolerance prevent false triggers from steam or condensation, eliminating mechanical buttons and seals. |
| Programmable Logic Controller (PLC) I/O Module | Medical Patient Interface |
Use Scenario: DIN-rail mounted I/O expansion module with analog inputs, digital outputs, and Modbus RTU over RS-485. IC Role / Device Role / Timing Role: System controller running real-time firmware, managing TCPWM-driven PWM outputs, SCB-configured UART for Modbus, and GPIO isolation drivers. Use Value: Dual SCBs allow simultaneous UART (Modbus) and SPI (isolated ADC/DAC) communication without resource conflict. | Use Scenario: Portable vital sign monitor with ECG front-end, OLED display, and touch navigation. IC Role / Device Role / Timing Role: Mixed-signal SoC handling analog ECG signal conditioning (opamp + ADC), CapSense UI, and segment LCD drive in Deep Sleep. Use Value: On-chip opamps buffer ADC inputs and drive LCD segments directly - reduces external component count by ≥6 passive/active parts. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable mixed-signal SoC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY8C4124LQI-433 | Same core, 40-pin QFN package; lower pin count; no LCD drive capability; identical CapSense and ADC specs. | Suitable for space-constrained designs without LCD requirements; lacks segment/common drive pins. | Select when board area is critical and LCD functionality is unnecessary; verify GPIO count suffices for analog/digital I/O needs. |
| STM32G071CBT6 | Arm Cortex-M0+, 64 MHz; 128 kB flash; no integrated CapSense or programmable analog; external touch controller required. | Requires separate touch IC and opamp circuitry; higher BOM cost but broader ecosystem and tooling support. | Choose when leveraging STM32CubeMX ecosystem, needing higher CPU performance, or prioritizing long-term vendor roadmap over analog integration. |
Compared with CY8C4124LQI-433, the CY8C4124PVQ-432 offers 8 additional GPIOs and native LCD drive - critical for HMI consolidation. Versus STM32G071CBT6, it eliminates external analog components and touch controllers but trades off ARM ecosystem breadth and maximum clock speed.
Availability
CY8C4124PVQ-432 is available at Aetrix Electronics and suitable for industrial sensor nodes, capacitive touch HMIs, and programmable PLC I/O modules requiring stable component supply, extended temperature support (–40 °C to +105 °C), and long-term lifecycle assurance.
Supply support for CY8C4124PVQ-432 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 and supports the full PSoC® portfolio, delivering high-performance, secure, and energy-efficient semiconductor solutions for automotive, industrial, and IoT markets.
The PSoC 4100 family is designed for cost-sensitive, low-power embedded systems requiring integrated analog, programmable logic, and capacitive sensing - targeting appliance controls, medical interfaces, and industrial edge nodes where component count reduction and field tunability are essential.
FAQ
Does CY8C4124PVQ-432 support USB connectivity?
No. The CY8C4124PVQ-432 does not include a USB PHY or USB controller. Communication is limited to its two SCB peripherals, configurable as I²C, SPI, or UART. For USB host/device functionality, an external USB-to-UART bridge (e.g., CP2102) or migration to PSoC 4000S/4100S variants with USBFS is required.
Can the on-chip opamps drive speakers or motors directly?
No. The two integrated opamps are rail-to-rail, low-noise, and support comparator mode and ADC input buffering, but they are not designed for high-current output. Their typical output drive is ±25 mA - insufficient for speaker or motor loads. They are intended for sensor signal conditioning, reference generation, and precision analog front-ends.
Is SmartSense™ tuning compatible with custom firmware modifications?
Yes. SmartSense™ is implemented in dedicated hardware within the CTBm block and operates independently of firmware. Custom firmware can configure scan parameters, thresholds, and reporting intervals via the CapSense API, but SmartSense™ auto-adjusts IDAC values and resolution in real time without CPU intervention - even under firmware-modified operating conditions.
What debug interfaces are available, and can they be permanently disabled?
The device supports Serial Wire Debug (SWD) via SWDCLK and SWDIO pins. Debug is enabled by default and can be disabled in firmware. Once disabled, re-enabling requires full flash erase and reprogramming. For highest security, device security mode disables all debug/test interfaces permanently - preventing failure analysis but ensuring protection against unauthorized access or reprogramming.
CY8C4124PVQ-432 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 28-SSOP (0.209", 5.30mm Width)
- Series:
- PSOC™ 4 CY8C4100
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0
- Core Size:
- 32-Bit Single-Core
- Speed:
- 24MHz
- Connectivity:
- I2C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART
- Peripherals:
- Brown-out Detect/Reset, LVD, POR, PWM, WDT
- Number of I/O:
- 24
- Program Memory Size:
- 16KB (16K 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 1x7b, 1x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C4124PVQ-432 FAQ
1.How can I place an order for CY8C4124PVQ-432 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4124PVQ-432 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 CY8C4124PVQ-432 reliable?
The price and inventory of CY8C4124PVQ-432 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4124PVQ-432 is usually 5 days.
3.What payment methods are accepted for CY8C4124PVQ-432?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4124PVQ-432 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4124PVQ-432?
CY8C4124PVQ-432 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4124PVQ-432 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 CY8C4124PVQ-432?
For technical support, including CY8C4124PVQ-432 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4124PVQ-432 requirements.
6.How does Aetrix verify that CY8C4124PVQ-432 is sourced from the original manufacturer or authorized distributors?
All CY8C4124PVQ-432 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 CY8C4124PVQ-432 meets industry standards.
7.What is the process for return or replacement of CY8C4124PVQ-432?
All CY8C4124PVQ-432 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4124PVQ-432, 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 CY8C4124PVQ-432 part is unused and in its original packaging.
Return procedure for CY8C4124PVQ-432:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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