CY8C3444PVI-100 50MHz 16KB Flash MCU | Infineon
MPN: CY8C3444PVI-100 ✓ AktifCY8C3444PVI-100 Ringkasan
A programmable system-on-chip, or PSoC, is an integrated circuit that places a microcontroller core, programmable analog and digital peripherals, memory, and connectivity-related I/O into one configurable device. The PSoC family extends beyond the conventional microcontroller hierarchy by allowing designers to adapt peripheral functions to the signal chain. In this device, the 8-bit core and configurable blocks support compact designs that would otherwise require a processor, discrete converters, analog switches, and supporting logic.
The primary operating characteristics are a 50 MHz clock, 16 KB of flash program memory, and a 1.71 V to 5.5 V supply range. The verified product descriptions also identify 2 KB of SRAM for the CY8C3444 variant and an 8051-compatible architecture. These resources allow moderate protocol handling, control-loop execution, digital filtering, and interface management without moving to a larger 32-bit MCU. The 48-pin SSOP package provides a manageable surface-mount footprint while exposing substantial GPIO and peripheral connectivity.
PSoC 3 devices combine an event-driven digital control system with configurable analog blocks such as comparators, amplifiers, and converters. Programmable routing helps connect sensors, counters, timers, serial interfaces, and interrupt-driven logic through internal resources. This architecture is particularly useful when the final pin multiplexing and analog measurement requirements are still evolving, because firmware and configuration can direct many functions without changing the external PCB.
Typical uses include industrial sensor nodes, digital thermometers, motor and valve controllers, compact data-acquisition modules, consumer controls, and embedded communication equipment. The 48-pin package is appropriate for products needing many external connections without moving directly to a fine-pitch BGA or leadless package. The 8051-compatible instruction set also benefits engineers who already understand established 8-bit embedded-control workflows.
When laying out the circuit, follow the pin-description table in the manufacturer datasheet and preserve the recommended decoupling and support-component arrangements. Keep sensitive analog routing away from high-current switching paths, provide a stable reference network, and confirm the exact I/O voltage limits before connecting external signals. Because the SSOP footprint has closely spaced leads, inspect pad geometry and solder-paste coverage during manufacturing qualification.
This page combines the confirmed device specifications, functional guidance, application architecture, and drop-in replacement analysis in one engineering reference. It also identifies where package, pin-level, lifecycle, and certification details must be confirmed with the manufacturer before a production release.
Pilihan pengganti yang segera untuk CY8C3444PVI-100 — sama paket, pin-pin kompatibel. Bahagian paket yang berbeza memerlukan kerja ulang PCB diasingkan.
CY8C3444PVI-103
✅ Masuk Drop-In📋 Alternatif rujukan (tidak dalam katalog)
CY8C3245PVI-134
✅ Masuk Drop-InHubungi untuk harga
Lihat Datasheet →CY8C3444PVI-100 Penilaian maksimum & Ciri-ciri Elektrik
| Product Type | 8-bit PSoC 3 microcontroller |
| CPU Architecture | 8051-compatible |
| Maximum Operating Frequency | 50 MHz |
| Flash Memory | 16 KB (16K x 8) |
| SRAM | 2 KB |
| Tegangan Pemberi Arus Operasi | 1.71 V to 5.5 V |
| Supported Supply Levels | 2.5 V, 3.3 V, and 5 V |
| Kemasan | 48-pin SSOP |
| Package Width | 7.50 mm |
| Jenis Pemasangan | Surface mount |
| Programmable Architecture | PSoC 3 configurable analog and digital blocks |
| Flash Type | Flash programmable system-on-chip |
| Instruction Set | 8-bit 8051-compatible instruction set |
Panduan Konfigurasi Pin CY8C3444PVI-100 7.50 mm
Konfigurasi pin untuk CY8C3444PVI-100 (7.50 mm pakai). IC digital ini termasuk GPIO, antaramuka komunikasi (UART, SPI, I2C), dan pin kuasa. Rujuk dokumen pengeluar untuk fungsi pin alternatif dan opsi konfigurasi. Biasa digunakan dalam rancangan sistem ter嵌入式 dan PCB.
Tiada data garisan pin yang diperoleh untuk CY8C3444PVI-100.
Rujuk kepada lembaran data untuk konfigurasi pin penuh.
Aplikasi Biasa
CY8C3444PVI-100 patut untuk 6 aplikasis: Industrial Sensor Conditioning, Digital Thermometer and Environmental Monitor, Compact Motor and Valve Controller, Industrial Data-Acquisition Module, Communication Interface Node, Consumer Control and Interface Panel.
Industrial Sensor Conditioning
The CY8C3444PVI-100 fits compact sensor-conditioning modules that must measure weak analog signals and manage digital control functions in one package. Its 50 MHz 8051-compatible core provides enough throughput for filtering, calibration, compensation, and communication state handling, while the PSoC architecture supports configurable analog and digital blocks. The 1.71 V to 5.5 V range supports multiple rail strategies. Use the manufacturer datasheet to select the correct analog supply, external reference, and filtering components. Keep precision analog routes compact and away from switching nodes, and validate the complete signal chain across temperature because sensor excitation and measurement accuracy often impose stricter requirements than the microcontroller itself.
Disebarkan
Digital Thermometer and Environmental Monitor
The CY8C3444PVI-100 is appropriate for digital thermometers and environmental monitors that combine sensing, conversion, calibration, display control, and status reporting. Its 16 KB of flash can hold application firmware and PSoC configuration, while 2 KB of SRAM supports acquisition buffers and display updates. The 50 MHz clock supports responsive interrupt-driven measurement without requiring a high-end processor. The 48-pin SSOP also provides ample connections for a sensor, display interface, buttons, and communications. Firmware should use scheduled sampling and averaging to reduce noise, while hardware placement should keep the sensor interface away from power-conversion components and display return currents.
Disebarkan
Compact Motor and Valve Controller
The CY8C3444PVI-100 can serve as the supervisory controller in compact motor, actuator, or valve-control products where an 8051-compatible core and programmable peripherals simplify timing. The 50 MHz processor can execute state machines, debounce inputs, monitor position sensors, and coordinate outputs. Its 1.71 V to 5.5 V operating range allows the digital portion to operate from lower-voltage rails, although the motor supply remains separate. Use timers for deterministic switching and include hardware protection for inductive loads. Separate high-current traces and flyback paths from sensitive control signals, provide local bulk capacitance, and validate worst-case timing before relying on software to enforce interlocks.
Disebarkan
Industrial Data-Acquisition Module
The CY8C3444PVI-100 is well suited to compact data-acquisition modules that combine analog measurements with digital logging and communications. Its configurable PSoC blocks can support acquisition functions while the 8051-compatible core processes samples, applies calibration, manages buffers, and formats data for a host interface. With 16 KB of flash and 2 KB of SRAM, the device accommodates moderate acquisition rates rather than high-bandwidth continuous capture. Place input and reference components near the appropriate pins, maintain a quiet ground path, and use shielding or filtering when cable noise is significant. Firmware should implement gain stages, saturation detection, and sampling-status reporting to prevent corrupted measurements from reaching downstream systems.
Disebarkan
Communication Interface Node
The CY8C3444PVI-100 is suitable for small communication interface nodes that terminate low-speed serial links, perform protocol conversion, or gather status from distributed sensors. The 50 MHz core is adequate for byte- or frame-level protocol handling, while the PSoC programmable blocks can support timers, counters, interrupts, and configurable signal routing. The 48-pin SSOP provides enough pins for multiple interfaces and local status indicators. Keep communications lines away from switching power stages and use controlled termination according to the selected interface standard. Firmware should include watchdog recovery, frame validation, and bus idle-state checks so a peripheral fault does not continuously drive the network or obscure a valid command.
Disebarkan
Consumer Control and Interface Panel
The CY8C3444PVI-100 can implement a programmable consumer control panel combining touch or switch inputs, indicator outputs, display control, and communications. Its 8051-compatible core is straightforward for compact embedded products, and the configurable PSoC resources allow input mapping and control functions to be adjusted in firmware. The 16 KB flash capacity accommodates a focused user-interface application, while the 1.71 V to 5.5 V range supports 3.3 V and 5 V designs. Use the exact package pin assignments from the manufacturer datasheet, debounce mechanical inputs in hardware where practical, and isolate display or touch-controller buses from potential noise sources.
Disebarkan
Ringkasan Produk Disebarkan
Data referensi kejuruteraan untuk CY8C3444PVI-100 — perbandingan, panduan rancangan, dan maklumat kesediaan
Panduan Pilihan
Perbandingan dengan Gantian
| Parametr | Produk Ini | CY8C3444PVI-103 | CY8C3245PVI-134 |
|---|---|---|---|
| Brand | Infineon | Infineon | Infineon |
| Package | 48-pin SSOP | 48-pin SSOP | 48-pin SSOP |
| CPU Architecture | 8051-compatible 8-bit | 8051-compatible 8-bit | 8051-compatible 8-bit |
| Programmable Architecture | PSoC 3 configurable blocks | PSoC 3 configurable blocks | PSoC 3 configurable blocks |
Penyeberangsung Jelas
- Same 48-pin SSOP mechanical footprint within the CY8C3444 family (vsCY8C3444PVI-103)
- Higher flash capacity in the closest documented PSoC 3 alternative (vsCY8C3245PVI-134)
- Documented 50 MHz operating rate (vsCY8C3245PVI-134)
Catatan Desain
Use the exact pin-description table in the manufacturer datasheet when assigning the 48-pin SSOP lands. Place the required bypass capacitors close to their designated supply pins and route them without narrow interruptions. Keep analog inputs, voltage-reference components, and low-level sensor connections away from motor traces, switching-node copper, and high-current return paths. Confirm the footprint against the manufacturer package drawing rather than relying on the generic SSOP label.
The CY8C3444PVI-100 supports a 1.71 V to 5.5 V operating range, but this does not mean every I/O or analog block can operate at the minimum rail. Review the electrical-characteristics tables for each supply domain and external signal. Use local bulk capacitance at the regulator and smaller high-frequency decoupling near the device. Sequence external circuitry when required, and verify startup behavior for systems in which sensors or actuators remain powered.
Treat analog and digital return currents deliberately. A compact PSoC design can still suffer from ground coupling if motor, relay, display, or communication return currents share narrow paths with the core and analog sections. Route quiet grounds toward the MCU and analog components, use a deliberate ground topology, and test conducted and radiated emissions with the final enclosure, cables, and power supply. Firmware averaging cannot recover signal integrity lost in the PCB.
Do not assume that another CY8C34 device is interchangeable merely because it uses the same 48-pin SSOP package. Compare ordering-code speed grade, temperature range, qualification, memory size, peripheral configuration, pin assignments, and supply limits. Validate the boot configuration, clock setup, analog calibration, and interrupt vectors as well. A successful flash-program operation does not prove that every peripheral behaves identically on the substitute device.
Maklumat Kesediaan
Compliance status must be confirmed from the manufacturer declaration or product documentation before production release.
