Infineon Technologies CY8C24223A-24PVXA

Overview

CY8C24223A-24PVXA from Cypress Semiconductor is a programmable 8-bit Harvard-architecture PSoC® SoC featuring an M8C CPU core running at up to 24 MHz, 4 KB flash, 256 bytes SRAM, six analog PSoC blocks (supporting up to 14-bit ADCs and 9-bit DACs), and four digital PSoC blocks (including UART, SPI, I²C, PWM, and timers). It operates from 2.4 V to 5.25 V across –40 °C to +85 °C and targets embedded control in industrial sensor interfaces and low-power HMI subsystems.

For engineers reviewing the CY8C24223A-24PVXA datasheet, CY8C24223A-24PVXA pinout, CY8C24223A-24PVXA application, or CY8C24223A-24PVXA equivalent, key selection criteria include its 28-pin PDIP package, integrated 24 MHz IMO with ±5% accuracy, on-chip switch-mode pump enabling 1.0 V operation, configurable GPIO drive modes (25 mA sink), and analog input routing flexibility across eight standard pins.

Technical Context

The device implements a fixed-function M8C CPU core with Harvard architecture, supporting 8×8 multiply and 32-bit accumulate operations. Its clock system integrates an internal main oscillator (IMO) at 24/48 MHz, a 32 kHz internal low-speed oscillator (ILO), and optional external crystal (ECO) with PLL for precision timing.

Digital peripherals are built from four reconfigurable 8-bit digital PSoC blocks connected via global digital interconnect; analog functions derive from six independent analog PSoC blocks with programmable gain amplifiers, filters, comparators, and decimators-both systems route to 28 GPIOs with full interrupt and drive-mode configurability.

Key Specifications

Pinout & Package

Package: 28-pin plastic dual in-line package (PDIP), 0.600-inch width, JEDEC MS-001AC compliant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with CY8C24423A-24PVXA, this part trades flash/SRAM capacity and analog resource count for lower cost and smaller footprint; versus CY8C24123A-24PVXA, it adds essential I²C and two extra analog blocks-critical for sensor fusion and protocol bridging.

Availability

CY8C24223A-24PVXA is available at Aetrix Electronics and suitable for industrial sensor interfaces, low-power HMI subsystems, smart actuator control, and legacy protocol bridge designs requiring stable component supply and long-term manufacturability.

Supply support for CY8C24223A-24PVXA 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) is a fabless semiconductor company specializing in programmable embedded solutions, connectivity, and memory technologies.

This device belongs to the PSoC® 1 family-a generation of configurable mixed-signal SoCs designed for rapid prototyping and integration of analog + digital functions in space-constrained industrial and consumer control applications.

FAQ

What is the maximum operating frequency of the M8C core in CY8C24223A-24PVXA?

The M8C CPU core runs at up to 24 MHz, delivering 4 MIPS performance. This frequency is achieved using the internal main oscillator (IMO) or a PLL-multiplied 32.768 kHz crystal input. The device maintains full functionality-including analog block operation and GPIO drive strength-at this speed across the full industrial temperature range (–40 °C to +85 °C).

Does CY8C24223A-24PVXA support true hardware I²C?

Yes, CY8C24223A-24PVXA includes dedicated I²C hardware supporting slave, master, and multi-master modes up to 400 kHz. Unlike bit-banged implementations, this hardware module handles clock stretching, arbitration, and ACK/NACK automatically, freeing CPU cycles and ensuring timing compliance with I²C specification Rev. 6.

Can the device operate below 2.4 V, and how is that achieved?

Yes-it supports operation down to 1.0 V using the on-chip switch-mode pump (SMP). An external 1 µF ceramic capacitor must be connected to the VCAP pin. The SMP boosts internal voltage rails, allowing full functionality (CPU, flash, analog blocks, GPIO) at supply voltages as low as 1.0 V, critical for battery-powered applications with aging cells.

How many analog input channels are accessible, and what routing restrictions apply?

CY8C24223A-24PVXA provides eight standard analog inputs available on all GPIO pins (P0[0]–P0[7], P1[0]–P1[7]), plus four additional analog inputs with restricted routing-only accessible on specific pins (P0[0]–P0[3] and P1[0]–P1[3]) due to internal analog bus topology. All 12 inputs can be selected via the analog input multiplexer under firmware control.