CY8C25122-24PI - 24MHz 8-Bit PSoC 1 MCU | Infineon
Teilenummer: CY8C25122-24PI ✓ Aktiv| Menge | Stückpreis | Gesamt |
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CY8C25122-24PI Übersicht
A PSoC, or programmable system-on-chip, combines a microcontroller core with programmable mixed-signal resources. In the device hierarchy, the CY8C25122 is an MCU and embedded controller within the broader semiconductor category, while its M8C architecture provides the central processing platform. The verified product data identifies the CY8C25xxx family and specifically provides 4 KB of flash storage for firmware.
The main headline specifications are a 24 MHz operating frequency, an 8-bit M8C processor, and 4 KB of flash memory. The CY8C25122-24PI is packaged as an 8-PDIP, also described in the verified sources as an 8-DIP with a 0.300-inch, 7.62 mm lead pitch. Its through-hole format is useful for prototypes, educational platforms, hand-built controllers, and test equipment where socketed or point-to-point construction is preferred.
The PSoC architecture can simplify a mixed-signal control design by placing an embedded controller close to configurable analog and digital functions. This makes the family relevant to compact sensor interfaces, control panels, analog monitoring, and simple embedded products. Firmware capacity remains the principal constraint: 4 KB is suitable for focused control tasks rather than large protocol stacks or graphics-intensive applications.
Typical uses include low-cost sensor controllers, building-control interfaces, compact analog measurement systems, laboratory fixtures, and educational embedded-control projects. The 24 MHz clock provides more timing headroom than slower 8-bit controllers, while the 8-bit architecture keeps implementation suitable for simple sequential control logic.
Designers should verify the complete pin-level electrical characteristics, power requirements, memory map, and programming procedure in the manufacturer datasheet before layout. Because this is an 8-PDIP, preserve adequate spacing around the through-hole footprint and plan for programming/debug access. Firmware sizing must include boot, application, interrupt, and configuration overhead within the 4 KB flash limit.
This page combines verified distributor specifications, package and architecture context, procurement data, practical implementation guidance, and a conservative drop-in alternative analysis. The alternatives are intentionally limited to candidates whose exact pin and parametric equivalence can be substantiated, avoiding unsupported substitutions that could require PCB or firmware changes.
Drop-in-Alternativen für CY8C25122-24PI – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
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CY8C25122-24PI
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CY8C25122-24PI
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Datenblatt ansehen →CY8C25122
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CY8C25122-24PI Grenzwerte & elektrische Eigenschaften
| Manufacturer | Infineon Technologies |
| Product Type | 8-bit programmable system-on-chip microcontroller |
| Product Family | PSoC 1 CY8C25xxx |
| Processor Core | M8C |
| CPU Bit Width | 8 bit |
| Maximale Taktfrequenz | 24 MHz |
| Flash Memory | 4 KB (4K x 8) |
| Package Type | 8-PDIP |
| Alternate Package Description | 8-DIP |
| Lead Pitch | 0.300 inch (7.62 mm) |
| Montageart | Through-hole |
| Versorgungsspannung | 3.3 V |
| Anzahl der Pins | 8 |
| Datasheet Page Count | 148 pages |
CY8C25122-24PI 8-dip Pinbelegungsleitfaden
Pinbelegung für CY8C25122-24PI (8-dip-Gehäuse). Dieser digitale IC umfasst GPIO, Kommunikationsschnittstellen (UART, SPI, I2C) und Versorgungspins. Alternative Pin-Funktionen und Konfigurationsoptionen entnehmen Sie dem Herstellerdatenblatt. Unverzichtbar für Embedded-System-Design und PCB-Layout.
Keine detaillierten Pinbelegungsdaten verfügbar für CY8C25122-24PI.
Siehe die Datenblatt für die vollständige Pin-Konfiguration.
Typische Anwendungen
CY8C25122-24PI ist geeignet für 6 Anwendungs: Compact Sensor Interface Controller, Building Control and Automation Panel, Educational Embedded-Control Platform, Analog Monitoring and Threshold Control, Low-Cost Motor and Actuator Controller, Programmable Test and Fixture Controller.
Compact Sensor Interface Controller
The CY8C25122-24PI fits compact sensor-interface prototypes that require an 8-bit embedded controller close to an analog front end. Its 24 MHz M8C core provides deterministic timing for sampling, filtering, threshold evaluation, and actuator updates, while the PSoC 1 mixed-signal architecture can reduce the need for separate control devices. The 4 KB flash capacity is adequate for compact code containing initialization, periodic measurement, threshold logic, and communication routines. Designers should size firmware early because bootloader, interrupt vectors, calibration data, and stack overhead consume part of the available 4 KB. The 8-PDIP package also simplifies breadboard and through-hole prototyping, although a production redesign may move to a smaller surface-mount package after the control architecture is proven.
Empfohlen
Building Control and Automation Panel
The CY8C25122-24PI is appropriate for small building-control panels, equipment interfaces, and automation nodes with modest logic requirements. Its 8-bit architecture and 24 MHz clock are well suited to reading switches, controlling relays or indicators, implementing debounce logic, and maintaining a predictable control loop. The through-hole 8-PDIP package makes the device convenient for industrial control prototypes assembled on perfboard or terminal boards. The main constraint is the 4 KB flash limit, which favors direct register-level control over large middleware stacks. Firmware should avoid unbounded recursion and allocate only the memory confirmed by the manufacturer documentation. For designs requiring network connectivity, choose a communications co-processor rather than assuming the PSoC can host a modern TCP/IP stack.
Empfohlen
Educational Embedded-Control Platform
The CY8C25122-24PI supports laboratory instruction in basic microcontroller architecture, mixed-signal control, embedded interrupts, and firmware organization. Its 24 MHz M8C core introduces students to a real embedded processor without the complexity of a larger development system, and the 8-PDIP footprint is easy to place on a solderless breadboard. The 4 KB flash limit creates a useful constraint for teaching modular coding and memory budgeting. Because students and instructors can replace the through-hole device on a socketed training board, a qualified drop-in substitute can be evaluated without redesigning the board. Before adoption, verify programming access, debug support, required development tools, and lab-current component availability. The exact pinout and programming interface should be taken directly from the manufacturer datasheet.
Empfohlen
Analog Monitoring and Threshold Control
The CY8C25122-24PI is suitable for analog monitoring modules that compare sensed conditions and take immediate control actions. Its 24 MHz M8C processor can execute periodic conversions, apply scaling and thresholds, update outputs, and report status within a small deterministic control structure. The PSoC concept is particularly relevant because configurable mixed-signal resources and an onboard controller can share one package. The 4 KB flash budget favors a focused application with short routines and limited logging. Calibration constants should be stored and versioned according to the device's verified nonvolatile-memory capabilities rather than assumed. During layout, separate analog and digital return paths, provide local bypassing, and use the manufacturer's recommended pin grouping to reduce conversion and noise coupling.
Empfohlen
Low-Cost Motor and Actuator Controller
The CY8C25122-24PI can serve as the sequencing controller in a small actuator system where position steps, direction changes, and safety interlocks are managed by deterministic firmware. At 24 MHz, the 8-bit core is suitable for timed step sequences and direct digital control while keeping the implementation compact. The 8-PDIP package makes hand-built or educational motor-control boards straightforward. It should not directly drive current-limited motors unless the specific pins, drive strength, and protection limits are confirmed in the datasheet; an external driver is generally required. The 4 KB flash constraint favors compact state machines instead of complex motion algorithms. Add flyback protection, current limiting, emergency-stop handling, and thermal margin because software sequencing alone does not protect the actuator or MCU.
Empfohlen
Programmable Test and Fixture Controller
The CY8C25122-24PI is useful in small test fixtures, switch matrices, and programmable signal-control accessories. The 24 MHz core can coordinate relay states, instrument handshakes, status LEDs, and timed sequences, while the compact 8-bit architecture supports a simple deterministic firmware structure. The 8-PDIP package simplifies socketed assembly and replacement in laboratory fixtures. Designers should keep instrumentation signals away from switching-node edges, use appropriate drivers for relays rather than driving loads directly, and define fail-safe states for every controllable output. The 4 KB flash limit makes concise state machines and fixed schedules preferable to elaborate test-sequence engines. Before production use, verify reset behavior, I/O drive limits, supply sequencing, and whether the manufacturer supports the exact suffix and package combination.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für CY8C25122-24PI – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | CY8C25122-24PI | CY8C25122 | CY8C25122-24PI | CY8C25122 |
|---|---|---|---|---|---|
| Package | 8-PDIP | 8-PDIP - same | 8-PDIP - same | 8-DIP - same package family | 8-DIP - same package family |
| Brand | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies |
| Processor Core | M8C | M8C | M8C | M8C | M8C |
| CPU Bit Width | 8 bit | 8 bit | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 24 MHz | 24 MHz | 24 MHz | 24 MHz | 24 MHz |
| Flash Memory | 4 KB (4K x 8) | 4 KB (4K x 8) | 4 KB (4K x 8) | 4 KB (4K x 8) | 4 KB (4K x 8) |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Pin Count | 8 | 8 | 8 | 8 | 8 |
Wichtigste Unterscheidungsmerkmale
- Combines PSoC 1 mixed-signal control with a compact through-hole package (vs. General-purpose 8-bit DIP microcontrollers)
- Direct 24 MHz timing headroom (vs. Lower-frequency 8-bit controllers)
- Small 4 KB program-memory footprint (vs. Larger-memory 8-bit MCUs)
- Through-hole serviceability (vs. Surface-mount 8-bit MCUs)
Designhinweise
Verify the complete DC operating conditions, I/O current limits, and power-consumption figures in the manufacturer datasheet before assigning loads. The supplied data confirms a 3.3 V supply but does not expose detailed current budgets. Place the required supply and decoupling capacitors at the pins specified by the datasheet, keep return-current paths short, and avoid routing high-current actuator returns beneath the device. If relays or motors are connected, use separate drive circuitry and preserve the MCU's ground reference through a controlled return path.
The 8-PDIP footprint has a 0.300-inch, 7.62 mm lead pitch and is suited to through-hole assembly. Maintain normal IPC-compatible spacing between the outline and adjacent copper unless the board fabricator and the component's package drawing require otherwise. For prototypes, use a socket when frequent firmware changes or substitutions are expected. Before releasing a PCB, compare the mechanical drawing, drill dimensions, pin-1 orientation, and maximum body dimensions against the authoritative datasheet because these details were not included in the supplied search snippets.
Do not infer that every device labeled CY8C25122 has identical temperature grade, pinout, or ordering options. The verified evidence identifies CY8C25122-24PI as the 8-PDIP, 24 MHz, 4 KB configuration, while abbreviated CY8C25122 listings leave suffix-level distinctions unclear. For a true drop-in replacement, compare the complete ordering information, every pin function, electrical limits, programming interface, and memory organization. Rebuild or qualify firmware if the replacement changes peripheral behavior even when the physical package appears identical.
Plan the mixed-signal layout so the PSoC's analog and digital functions do not share noisy return paths. Keep sensor wiring away from switching nodes and relay-drive conductors, use a continuous ground reference where appropriate, and place bypass components at the device pins. Because the verified excerpts do not provide the pin-level analog assignments, do not assign sensitive analog inputs or high-speed digital functions to specific pins until they are confirmed in the manufacturer datasheet.
The 4 KB flash capacity is the main firmware-design constraint. Include reset vectors, interrupt handlers, bootloader space, configuration data, library code, and stack requirements when estimating image size. Avoid adding a conventional RTOS or communication stack unless its measured code and RAM requirements fit the device; RAM size is not present in the supplied data. Use modular routines and remove unused library features so functional updates do not unexpectedly exhaust program memory.
Compliance-Informationen
The supplied search results do not state compliance for the exact orderable MPN. Request current manufacturer compliance documentation; do not infer status from the PSoC family name alone.