CY8C3665AXA-010 - 67MHz 8051 32KB Flash MCU | Infineon
料号： CY8C3665AXA-010 ✓ 量产中CY8C3665AXA-010 概述
A programmable system-on-chip is an integrated semiconductor that combines a microcontroller core, memory, configurable digital peripherals, and configurable analog resources. PSoC devices extend the MCU concept by allowing designers to configure peripheral functions in hardware and software rather than relying only on fixed peripheral blocks. The CY8C36xx family therefore serves as a programmable embedded system-on-chip within the broader microcontroller and embedded semiconductor hierarchy.
The verified distributor listing identifies 32KB of Flash organized as 32K by 8, an 8-bit 8051 architecture, and operation up to 67 MHz. The stated 0.5 V to 5.5 V supply range provides compatibility with low-voltage digital systems, while the 100-pin TQFP package exposes a comparatively large number of external connections for mixed-signal designs. Exact peripheral counts, SRAM capacity, clock configurations, and electrical limits require confirmation in the manufacturer documentation.
Typical implementation areas include embedded control panels, industrial interface modules, data-acquisition equipment, consumer peripherals, and connected products that benefit from programmable analog and digital functions. The 8051-compatible instruction set and integrated peripherals can simplify designs that would otherwise require a discrete MCU plus support ICs. Firmware and peripheral configuration remain design-specific, so the application should be validated against the complete manufacturer documentation before production release.
A primary design consideration is package and pin verification. The available distributor records identify a 100-pin TQFP, while another listing describes a 100-LQFP; engineers must therefore confirm the exact package drawing, exposed-pad treatment, and land pattern before layout or replacement. This page combines verified distributor facts, conservative data markers, replacement analysis, and engineering guidance to distinguish confirmed information from values that still require manufacturer confirmation.
直接替换替代料： CY8C3665AXA-010 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
CY8C3865AXA-018
✅ 直接替换联系询价
查看数据手册 →CY8C3665AXI-198
✅ 直接替换📋 参考替代料（不在目录中）
CY8C3665AXA-010 最大额定值与电气特性
| Product Type | 8-bit 8051-compatible PSoC 3 microcontroller |
| 最大时钟频率 | 67 MHz |
| Flash Memory | 32 KB (32K x 8) |
| Core Architecture | 8-bit 8051 |
| Operating Voltage Range | 0.5 V to 5.5 V |
| 封装 | 100-TQFP (14 x 14 mm) |
| Programmable Peripheral Type | Configurable analog and digital peripherals |
| Product Family | PSoC 3 CY8C36xx |
| Maximum CPU Clock | 67 MHz |
| Program Memory | 32 KB Flash |
| Data Memory Width | 8 bit |
| Package Pin Count | 100 pins |
| Package Body Size | 14 mm x 14 mm |
| 安装类型 | Surface mount |
CY8C3665AXA-010 14 mm x 14 mm 引脚配置指南
CY8C3665AXA-010（14 mm x 14 mm 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： CY8C3665AXA-010.
请参阅 数据手册 以查看完整引脚配置。
典型应用
CY8C3665AXA-010 适用于 6 应用s: Industrial Control Panels, Data Acquisition Modules, Communication Interfaces, Consumer Peripherals, Embedded Sensor Hubs, Programmable Analog Control.
Industrial Control Panels
The CY8C3665AXA-010 fits industrial control-panel designs that need an 8-bit 8051-compatible controller, programmable peripherals, and a 0.5 V to 5.5 V supply range. Its stated 67 MHz maximum clock provides processing headroom for user-interface scanning, state-machine logic, communication handling, and supervisory tasks. The 100-pin TQFP also provides more external connections than a small microcontroller package. Designers should allocate pins among control outputs, sensor inputs, communications, and programming/debug functions, then verify the final muxing against the device documentation. Because the supplied records do not identify exact GPIO or communication peripheral counts, those resources must be confirmed before schematic freeze.
Data Acquisition Modules
The programmable analog and digital resources of the CY8C3665AXA-010 make it a candidate for mixed-signal data-acquisition modules. An engineer can place the MCU between transducers, conditioning circuitry, and a communications interface while using the 8051-compatible core for sampling control, filtering, calibration, and data packaging. The 0.5 V to 5.5 V operating range supports low-voltage signal-chain designs, while 32KB Flash stores firmware and configuration logic. The verified data does not state ADC resolution, sample rate, or SRAM capacity, so those values must be confirmed before selecting it for precision acquisition.
Communication Interfaces
The CY8C3665AXA-010 can serve as the host controller in an embedded communication interface because it combines an 8-bit 8051 core, 32KB Flash, and programmable peripherals in a 100-pin package. Potential uses include protocol conversion, command processing, status reporting, and bridging between a host and industrial equipment. The 67 MHz stated maximum clock can support time-sensitive service routines, but actual protocol throughput depends on the selected peripheral, clock configuration, and firmware architecture. Exact UART, SPI, USB, or CAN capabilities were not provided in the verified snippets and should be checked in the manufacturer documentation before board design.
Consumer Peripherals
For compact consumer accessories, the CY8C3665AXA-010 offers an 8-bit embedded core, 32KB Flash, and configurable peripheral resources that can consolidate control logic into one device. A product such as a smart control accessory, appliance interface, or status controller can use the 0.5 V to 5.5 V range for low-voltage operation and the 100-pin TQFP for external routing flexibility. Designers must still account for power consumption, startup behavior, analog performance, and production programming. Because no verified endurance, temperature, or lifecycle figures were supplied, those qualifications should be obtained before committing the part to a high-volume consumer design.
Embedded Sensor Hubs
The CY8C3665AXA-010 is a candidate for an embedded sensor hub because programmable analog and digital peripherals can support signal conditioning, threshold management, and peripheral control around an 8-bit processor. The MCU can coordinate sensor acquisition, local filtering, calibration, fault reporting, and data transfer while its 32KB Flash stores application firmware. The verified 67 MHz maximum clock provides computational margin for concurrent service tasks, while the 0.5 V to 5.5 V range can simplify integration with low-voltage sensors. Exact converter resolution, comparator behavior, and sensor-interface counts are unavailable in the supplied data and must be verified against the manufacturer documentation.
Programmable Analog Control
The programmable analog capability of the CY8C3665AXA-010 supports control designs in which fixed-function analog behavior may add unnecessary board area. An engineer can evaluate the device for configurable signal paths, thresholding, feedback control, or mixed digital-analog sequencing while retaining an 8051-compatible control core. Its 32KB Flash provides program storage, and the 100-pin package exposes a broad connection set for external sensors and actuators. However, the supplied evidence does not identify op-amp count, DAC resolution, comparator performance, or routing flexibility. Those specifications are decisive for precision analog applications and require direct confirmation before design commitment.
工程参考数据： CY8C3665AXA-010 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | CY8C3865AXA-018 | CY8C3665AXI-198 |
|---|---|---|---|
| Brand | Infineon Technologies | Infineon Technologies | Infineon Technologies |
| Package | 100-TQFP (14 x 14 mm) | 100-TQFP (14 x 14 mm), confirmation required | 100-TQFP (14 x 14 mm), confirmation required |
| Product Family | PSoC 3 CY8C36xx | CY8C36xx family comparison candidate | CY8C36xx family comparison candidate |
关键差异点
- Documented operating specification （对比 CY8C3865AXA-018)
- Order-code and package data availability （对比 CY8C3665AXI-198)
- Distributor sourcing visibility （对比 CY8C3865AXA-018)
设计说明
Confirm the package suffix and land pattern before PCB release. The primary verified DigiKey listing calls the device a 100-TQFP measuring 14 mm by 14 mm, but another distributor record describes a 100-LQFP. Check the manufacturer package drawing, pin-one orientation, exposed thermal pad requirements, and recommended land pattern. A footprint cannot be safely inferred from the pin count alone.
Design the supply rail within the verified 0.5 V to 5.5 V range while preserving the voltage and sequencing requirements of the selected PSoC configuration. Place local supply and ground-plane connections to minimize loop area, and follow the manufacturer guidance for decoupling and unused pins. Exact voltage tolerances, startup behavior, and current limits require the complete electrical specification.
Do not treat a related CY8C36xx order code as a drop-in replacement solely because the family name matches. The supplied comparison results identify CY8C3865AXA-018 and CY8C3665AXI-198, but do not establish identical pinouts, peripheral routing, clock limits, memory capacity, temperature grades, or package details. Review the datasheets and errata before approving a substitution.
Reserve the programming and debug connections required by the chosen development tool, and route sensitive analog inputs away from fast-switching digital and power-return paths. Because the exact analog and digital peripheral resources are not identified in the supplied data, finalize signal assignment only after reviewing the device pin table, package drawing, and application guidance.
合规信息
The supplied distributor snippets do not contain product-specific RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statements. Compliance documentation must be obtained for the exact ordering code.
