CY8C3866AXI-039 - 67MHz 8051 PSoC MCU with 64KB Flash
MPN: CY8C3866AXI-039 ✓ AktifCY8C3866AXI-039 Genel Bakış
A PSoC, or programmable system-on-chip, is a microcontroller architecture that integrates a CPU, programmable digital blocks, analog peripherals, memory, and communication peripherals into one device. Its programmable analog and digital sections allow product functions to be configured through firmware, reducing reliance on discrete external components while consolidating control, interface, and signal-conditioning functions.
The CY8C3866AXI-039 provides 64 KB of flash, 8 KB of SRAM, 1 KB of data EEPROM, and 8 KB of ECC flash according to the device information published by Keil and the manufacturer product listing. Its 24 Universal Digital Blocks support configurable digital functions, while the PSoC 3 architecture also includes programmable analog resources for mixed-signal designs. The device offers one Fast USB 2.0 interface, dual datapointers, and an interrupt system with 27 sources and eight priority levels.
The operating supply range is 0.5 V to 5.5 V. This broad range supports systems that need low-voltage analog or digital rails while retaining compatibility with conventional 5 V logic. The 8051 CPU and its extensive peripheral integration make the device suitable for control-intensive products requiring USB, display support, programmable signal handling, or mixed analog-and-digital acquisition.
Typical applications include USB-connected data acquisition, industrial control panels, medical monitoring equipment, programmable instruments, touch interfaces, LCD-based user interfaces, and embedded control subsystems. Designers can assign programmable digital and analog blocks to functions such as timers, counters, serial communication, signal conditioning, and interface control through the PSoC development environment.
For a new PCB, verify every power, ground, programming, USB, and peripheral connection against the manufacturer pin description and package drawing before layout. Pay particular attention to decoupling, analog-ground strategy, USB signal routing, and exposed supply requirements; these details can materially affect signal integrity and reliability even when the nominal logic functions are correct.
This product record combines the manufacturer's device description, distributor specifications, package information, and engineering-oriented replacement guidance. It highlights the principal architecture, memory, connectivity, and application characteristics while distinguishing a confirmed close-family option from alternatives that require additional compatibility verification.
Drop-in alternatifler için CY8C3866AXI-039 — aynı paket, pin-başına uyumlu. PCB yeniden montajı gerektiren farklı paket bileşenleri dışlanmıştır.
Bu Serideki Variantlar
Yedek parça uyumlu olan aynı serideki modeller CY8C3866AXI-039 (aynı form faktörü ve ayağa oturma) — farklı olan Package, Product Type, Mounting Type, CPU Architecture, Pin Count.
CY8C3866AXI-040
✅ YerleştirmeFiyat için iletişime geçin
Veri Şablonunu Görüntüle →CY8C3866AXI-033
✅ Yerleştirme📋 Katalogda Olmayan Referans Alternatifi
CY8C3866AXI-039 Maksimum Değerlendirmeler & Elektriksel Özellikler
| Product Type | 8-bit PSoC 3 programmable system-on-chip microcontroller |
| CPU Architecture | 8051 |
| Maximum CPU Frequency | 67 MHz |
| Core Count | 1 core |
| Program Flash Memory | 64 KB (64K x 8) |
| SRAM | 8 KB |
| Data EEPROM | 1 KB |
| ECC Flash | 8 KB |
| General-Purpose I/O | 62 GPIO |
| Universal Digital Blocks | 24 UDBs |
| Peripheral Hub Unit | 1 PHub with 8 parallel access paths |
| Datapointer Count | 2 |
| Interrupt Sources | 27 sources |
| Interrupt Priority Levels | 8 levels |
| USB Interface | 1 Fast USB 2.0 interface |
| Operating Supply Voltage Range | 0.5 V to 5.5 V |
| Paket | 100-lead TQFP, 14 mm x 14 mm |
| Montaj Türü | Surface mount |
| Flash Protection Levels | 4 levels |
CY8C3866AXI-039 100-lead tqfp, 14 mm x 14 mm Pin Yapısı Kılavuzu
CY8C3866AXI-039 (100-lead tqfp, 14 mm x 14 mm paket) için pin yapısı. Bu dijital IC, GPIO, iletişim arayüzleri (UART, SPI, I2C) ve güç pinleri içerir. Alternatif pin işlevleri ve yapılandırma seçenekleri için üretici veri kitapçığını referans alın. Tünel sistem tasarımı ve PCB yerleşimi için temel bir bileşendir.
Ayrıntılı pin çıkış verisi mevcut değil: CY8C3866AXI-039.
Aşağıdaki veri sayfası tam pin konfigürasyonu için.
Tipik Uygulamalar
CY8C3866AXI-039 için uygundur 6 uygulamas: USB Connected Data Acquisition, Industrial Control Panel, LCD User Interface Controller, Programmable Measurement Instrument, Medical Monitoring Equipment, Programmable Touch Interface.
USB Connected Data Acquisition
The CY8C3866AXI-039 fits USB data-acquisition designs that benefit from programmable analog and digital resources without using a separate USB bridge. Its one Fast USB 2.0 interface handles the host connection, while 24 Universal Digital Blocks can implement timers, counters, communication logic, and control functions. The 67 MHz 8051 CPU provides processing capacity for acquisition control and data handling. With 64 KB of flash, 8 KB of SRAM, and 62 GPIO, the device can consolidate interface, conditioning, and digital control functions. Actual signal throughput depends on the selected analog configuration, firmware timing, and USB implementation.
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Industrial Control Panel
The CY8C3866AXI-039 is suitable for industrial control panels requiring programmable logic, broad I/O, and USB connectivity in one device. The 62 GPIO can connect sensors, indicators, switches, and external control lines, while the Universal Digital Blocks can implement timing and state-machine functions. The 8051 CPU operates up to 67 MHz and has 64 KB of flash for panel firmware. Its 0.5 V to 5.5 V operating range provides flexibility across internal voltage domains, although the complete power architecture and I/O voltage limits must be checked in the device documentation.
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LCD User Interface Controller
The Infineon CY8C3866AXI-039 can control LCD-based user interfaces because the manufacturer identifies 62 GPIO for analog and LCD use. Its programmable digital blocks can offload display timing, key scanning, and interface sequencing while the 8051 CPU manages state and application logic. A 64 KB flash capacity accommodates control firmware, and the wide 0.5 V to 5.5 V supply range allows integration with multiple internal rails. The design should use the package-specific pin table to separate display signals from USB, clock, and programming functions and to define suitable drive levels.
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Programmable Measurement Instrument
The CY8C3866AXI-039 fits programmable measurement instruments that need configurable signal paths, digital sequencing, and data exchange. Its PSoC analog resources can support functions such as amplification, filtering, comparison, and ADC-related signal conditioning, while 24 Universal Digital Blocks provide flexible timing and protocol logic. The 67 MHz CPU manages configuration and measurement control, and USB 2.0 supports a direct connection to a host. A 100-lead TQFP offers ample connections for sensors, references, controls, and communication, but analog performance and calibration accuracy must be evaluated from the detailed device documentation.
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Medical Monitoring Equipment
The CY8C3866AXI-039 can support compact medical monitoring equipment requiring programmable acquisition control and USB connectivity. Its mixed-signal PSoC architecture can place configurable analog and digital functions close to sensors, reducing the amount of discrete interface circuitry. The 8051 CPU runs up to 67 MHz, 64 KB of flash stores application firmware, and 62 GPIO supports sensors, indicators, and controls. For medical designs, developers must independently assess the applicable device qualification, regulatory requirements, safety architecture, and clinical validation requirements rather than inferring them from the component category.
Önerilen
Programmable Touch Interface
The CY8C3866AXI-039 is appropriate for touch interfaces that require both analog sensing and digital control in one microcontroller. PSoC analog blocks can evaluate capacitive or resistive sensor signals, while programmable digital blocks manage debouncing, timing, indicator control, and communications. The 62 GPIO provides additional connections for keys, displays, and host interfaces, and the Fast USB 2.0 port enables configuration or data transfer. Engineering validation should include electrode design, noise filtering, acquisition timing, calibration, and USB enumeration. Firmware must preserve sufficient timing margin for reliable touch detection under the intended electromagnetic environment.
Önerilen
Önerilen Ürünler Özeti
Mühendislik referans verileri: CY8C3866AXI-039 — karşılaştırma, tasarım rehberi ve uyumluluk bilgileri.
Seçim Kılavuzu
Alternatiflerle Karşılaştırma
| Parametre | Bu Ürün | CY8C3866AXI-040 | CY8C3866AXI-033 |
|---|---|---|---|
| Brand | Infineon Technologies | Infineon Technologies | Infineon Technologies |
| Package | 100-lead TQFP, 14 mm x 14 mm | 100-lead TQFP, 14 mm x 14 mm | 100-lead TQFP, 14 mm x 14 mm |
| CPU Architecture | 8051 | 8051 | 8051 |
| Maximum CPU Frequency | 67 MHz | 67 MHz | 67 MHz |
| Program Flash | 64 KB | 64 KB | 64 KB |
| SRAM | 8 KB | 8 KB | 8 KB |
| Operating Supply Voltage | 0.5 V to 5.5 V | 0.5 V to 5.5 V | 0.5 V to 5.5 V |
| Universal Digital Blocks | 24 | 24 | 24 |
| USB 2.0 Interface | 1 Fast USB 2.0 interface | 1 Fast USB 2.0 interface | 1 Fast USB 2.0 interface |
Ana Farklılayıcılar
- Close-family option without enabling CAN (karşılaştırma:CY8C3866AXI-040)
- Large programmable digital resource set (karşılaştırma:CY8C3866AXI-033)
- Integrated USB and broad mixed-signal resources (karşılaştırma:CY8C3866AXI-040)
Tasarım Notları
Route USB D+ and D- as a controlled-impedance differential pair with continuous reference-plane support, symmetrical geometry, and minimal stubs. Keep the pair away from switching nodes, inductors, and long crystal-trace regions. Place required USB termination and protection components close to the transceiver boundary, and follow the manufacturer reference layout for connector, device, and test-point placement.
Use the package-specific power and ground assignments from the manufacturer pin table rather than distributing a generic TQFP power pattern. Place decoupling capacitance at the relevant supply pins with short, low-inductance connections and provide adequate bulk capacitance near the board entry point. Verify that all selected supply rails remain within the 0.5 V to 5.5 V device operating range during startup, sleep, and transient conditions.
Separate sensitive analog routing from fast digital, USB, and programming signals. Keep the analog ground and digital ground strategy consistent with the manufacturer reference design, and avoid long high-current return paths beneath analog inputs. Programmable analog and digital blocks are useful only when their assigned pins, external components, clocking, and firmware configuration remain stable; document those assignments before layout signoff.
Do not treat a same-family order code as automatically interchangeable. Confirm the exact package suffix, peripheral set, voltage limits, programming requirements, and boot behavior against the manufacturer documentation. In particular, CY8C3866AXI-040 adds CAN 2.0B, so existing firmware and board resource assignments should be checked even when the basic clock and flash figures match.
Uyumluluk Bilgisi
No explicit RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statements were identified in the manufacturer and distributor information for this exact ordering code.
