Infineon Technologies CY8C4127AZI-S455
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $4.22 | $4.22 |
| 15+ | $4.08 | $61.20 |
| 25+ | $4.00 | $100.00 |
| 50+ | $3.77 | $188.50 |
| 100+ | $3.33 | $333.00 |
| N+ | $0.67 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Infineon Technologies |
| Product Series | PSOC™ 4 CY8C4100S Plus |
| Packaging | Tray | |
| 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, CapSense, LCD, POR, PWM, WDT |
| Number of I/O | 54 |
| Program Memory Size | 128KB (128K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 16K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 5.5V |
| Data Converters | A/D 16x10b Slope, 16x12b SAR; D/A 2xIDAC |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 64-TQFP (10x10) |
| Package / Case | 64-LQFP |
| ROHS |
The Infineon CY8C4127AZI-S455 is a PSoC 4 series microcontroller featuring an ARM Cortex-M0+ core at 24MHz. It integrates CapSense touch sensing, an LCD driver, and programmable analog blocks. With 128KB flash and 16KB SRAM, it operates from 1.71V to 5.5V in a 64-LQFP package. This device is designed for human-machine interface and low-power embedded applications.
- Integrated CapSense: Eliminates external touch controllers, saving cost and space.
- Wide Voltage Range: 1.71V to 5.5V supports battery and 5V systems.
- Built-in LCD Driver: Simplifies display interface design.
- Low Power: Suitable for battery-operated portable devices.
Touch-Sensitive Control Panels
Integrated CapSense eliminates the need for external touch ICs, reducing BOM cost and board space.
Battery-Powered Devices
Wide voltage range (1.71V-5.5V) allows direct operation from Li-ion or alkaline batteries without a regulator.
LCD Display Systems
Built-in LCD driver simplifies the design of small character or segment displays.
Home Appliances
Low-power modes and robust I/O make it suitable for white goods with user interfaces.
Industrial Sensors
24MHz Cortex-M0+ core with PWM and WDT provides reliable control for sensor signal conditioning.
Portable Medical Devices
Low power consumption and small footprint enable compact, battery-operated health monitors.
- Q: What is the core processor in this device?
- A: It uses an ARM Cortex-M0+ core running at 24MHz.
- Q: Does it support capacitive touch sensing?
- A: Yes, it integrates CapSense technology for touch and proximity sensing.
- Q: What is the supply voltage range?
- A: It operates from 1.71V to 5.5V, offering flexibility for various power supplies.
- Q: What is the program memory size?
- A: It has 128KB of flash memory and 16KB of SRAM.
- Q: What is the core processor in this device?
- A: It uses an ARM Cortex-M0+ core running at 24MHz.
- Q: Does it support capacitive touch sensing?
- A: Yes, it integrates CapSense technology for touch and proximity sensing.
- Q: What is the supply voltage range?
- A: It operates from 1.71V to 5.5V, offering flexibility for various power supplies.
- Q: What is the program memory size?
- A: It has 128KB of flash memory and 16KB of SRAM.

CY8C4127AZI-S455.pdf