Infineon Technologies CY8C24223-24SI

Overview

CY8C24223-24SI from Cypress Semiconductor is a programmable mixed-signal System-on-Chip (PSoC) integrating an M8C 8-bit Harvard architecture CPU, four digital PSoC blocks, six analog PSoC blocks, 4 KB Flash, 256 bytes SRAM, and configurable GPIO with 25 mA sink capability - operating at up to 24 MHz across 3.0–5.25 V or down to 1.0 V using on-chip switch-mode pump. It targets embedded control applications requiring integrated analog signal conditioning, PWM motor control, and sensor interface in industrial and consumer systems.

For engineers reviewing the CY8C24223-24SI datasheet, CY8C24223-24SI pinout, CY8C24223-24SI application, or CY8C24223-24SI equivalent, key selection criteria include its 24 MHz M8C core speed, dual 30 mA analog outputs, 10-channel analog input support, ±2.5% internal oscillator accuracy, and I²C/SPI/UART peripheral integration for compact mixed-signal system consolidation.

Technical Context

The CY8C24223-24SI implements a fully configurable mixed-signal architecture where digital blocks (4 × 8-bit) can be combined into 8–32-bit timers, PWMs, UARTs, or CRC generators, and analog blocks (6 × CT/SC) support ADCs up to 14-bit, DACs up to 9-bit, programmable gain amplifiers, and filters. All blocks route via global digital/analog interconnects to up to 24 GPIO pins.

Clocking combines a ±2.5% 24 MHz IMO (doublable to 48 MHz), 32 kHz ILO for sleep/WDT, optional 32.768 kHz ECO with PLL for crystal-accurate 24 MHz, and programmable dividers feeding both digital and analog subsystems. Memory includes 4 KB Flash (50k erase/write cycles), 256 B SRAM, and EEPROM emulation.

Key Specifications

Pinout & Package

Package: 28-pin SOIC (SOIC-28, 300 mil width), JEDEC MS-012AC, body size 17.9 × 7.5 mm, lead pitch 1.27 mm.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar programmable mixed-signal controller applications.

Compared with CY8C24423-24SXIT, the CY8C24223-24SI offers identical analog/digital capability in a smaller SOIC-28 package but fewer GPIO; versus STM32F030F4P6, it delivers true mixed-signal consolidation at the expense of ARM compatibility and larger Flash - critical for analog-centric, space-limited embedded control.

Availability

CY8C24223-24SI is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, consumer appliance UIs, and portable medical front-ends requiring stable component supply and long-term manufacturability.

Supply support for CY8C24223-24SI 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

Cypress Semiconductor (now part of Infineon Technologies) designs programmable mixed-signal and digital ICs for embedded control, connectivity, and memory applications, with headquarters in San Jose, CA.

The CY8C24x23 PSoC family targets cost-sensitive, space-constrained embedded systems needing configurable analog and digital peripherals - enabling rapid prototyping and reducing bill-of-materials in industrial, consumer, and medical devices.

FAQ

What development tools are required to program the CY8C24223-24SI?

PSoC Designer IDE (free download from Infineon) is mandatory for configuring analog/digital blocks, generating initialization code, and debugging. Programming requires a MiniProg1 or MiniProg3 programmer; no external compiler license is needed as the bundled C compiler and assembler support full firmware development.

Does the CY8C24223-24SI support true hardware I²C multi-master operation?

Yes - the integrated I²C module supports slave, master, and multi-master modes up to 400 kHz with hardware arbitration and clock stretching. It handles bus contention automatically and requires no software polling or bit-banging, enabling robust communication in distributed sensor networks.

Can the internal 24 MHz oscillator meet timing-critical PWM or UART requirements?

The ±2.5% accuracy over voltage and temperature is sufficient for most PWM motor control and UART communication at ≤115.2 kbps. For higher UART speeds or precise timing (e.g., LIN bus), the optional 32.768 kHz crystal with PLL provides 24 MHz at ±50 ppm accuracy - confirmed in the device's clock tree specification.

How is EEPROM functionality implemented given no dedicated EEPROM memory?

EEPROM emulation uses protected Flash sectors with wear-leveling firmware routines provided in PSoC Designer. Up to 2 KB of emulated EEPROM is supported, rated for 100,000 write cycles per sector - validated through Cypress application note AN2211 for data logging and calibration storage.