CY8C3665PVI-080 - 67MHz 8-Bit PSoC 3 MCU | Infineon
料号： CY8C3665PVI-080 ✓ 量产中CY8C3665PVI-080 概述
A PSoC, or programmable system-on-chip, is a mixed-signal microcontroller architecture that integrates a CPU, programmable digital blocks, analog blocks, and memory into one device. This hierarchy places the PSoC 3 platform between a conventional 8-bit microcontroller and a more complex mixed-signal system-on-chip, allowing functions such as analog conversion, control, and digital logic to be implemented in a compact embedded package.
The CY8C3665 provides 32 KB of Flash program memory, an 8-bit processing core, and a maximum stated operating frequency of 67 MHz. Its 0.5 V to 5.5 V operating range supports low-voltage and conventional embedded supply environments. The 48-pin SSOP package also provides enough external connections for mixed-signal peripheral routing, programming, clocking, and communication interfaces.
PSoC 3 devices combine a deterministic 8051-compatible computing core with configurable digital and analog resources. That architecture can reduce the need for separate external components when a design requires control logic together with signal conditioning, conversion, timers, or other programmable functions. The exact peripheral configuration depends on the device resources and the firmware programmed into the microcontroller.
Typical uses include industrial control modules, compact sensor interfaces, consumer peripherals, power-management controllers, and embedded instrumentation. The device is particularly suitable when moderate processing speed, Flash-based firmware storage, and a broad supply-voltage range are required within a moderate pin-count surface-mount package.
PCB design should preserve the pin assignments and decoupling guidance shown in the manufacturer datasheet, and programming should follow the PSoC Creator or supported toolchain workflow for this family. Confirm the exact pin names, package drawing, peripheral availability, and electrical limits before releasing a production schematic.
This product overview combines device specifications, application guidance, verified drop-in alternatives, and design-focused comparisons to help engineers evaluate the CY8C3665PVI-080 for embedded mixed-signal designs without relying on raw catalog information alone.
直接替换替代料： CY8C3665PVI-080 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
CY8C3665PVI-049
✅ 直接替换📋 参考替代料（不在目录中）
CY8C3665PVI-080 最大额定值与电气特性
| Product Type | 8-bit programmable system-on-chip microcontroller |
| Maximum CPU Frequency | 67 MHz |
| Flash Memory | 32 KB |
| Flash Organization | 32K x 8 bits |
| CPU Architecture | 8051-compatible 8-bit core |
| Operating Voltage Range | 0.5 V to 5.5 V |
| Supported Supply Levels | 2.5 V, 3.3 V, and 5 V |
| 封装 | 48-pin SSOP |
| 安装类型 | Surface mount |
| Product Family | PSoC 3 CY8C36xx |
| Programmable Architecture | Configurable digital and analog system resources |
| 存储器类型 | Flash-programmable |
| Processor Bit Width | 8 bits |
| Operating Frequency | Up to 67 MHz |
CY8C3665PVI-080 48-pin ssop 引脚配置指南
CY8C3665PVI-080（48-pin ssop 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： CY8C3665PVI-080.
请参阅 数据手册 以查看完整引脚配置。
典型应用
CY8C3665PVI-080 适用于 6 应用s: Industrial Control Modules, Sensor Interface Products, Consumer Peripheral Controllers, Power Management Controllers, Embedded Instrumentation, Low-Voltage IoT Control Nodes.
Industrial Control Modules
The CY8C3665PVI-080 fits compact industrial control modules that need an 8-bit processor, 32 KB of Flash memory, and programmable mixed-signal resources. Its 67 MHz operating capability supports responsive control logic, while the 48-pin SSOP package provides access to external interfaces and analog or digital peripheral assignments. An industrial design can use the PSoC architecture to combine control functions and signal handling instead of relying on several separate discrete components. The manufacturer datasheet should be checked for operating-temperature limits, I/O restrictions, and qualified peripheral configurations before the module is released for long-duration industrial use.
Sensor Interface Products
The CY8C3665PVI-080 is suitable for sensor interfaces that must acquire, condition, and present measurements through a compact embedded controller. Its configurable analog and digital resources can reduce the need for separate signal-conditioning components when the required blocks are available in the CY8C36xx family. The 8-bit core is appropriate for supervisory measurement logic, while 32 KB of Flash stores application firmware and configuration. Designers should assign analog pins according to the manufacturer pin table, verify the required conversion or comparison functions, and account for sensor signal levels across the device’s 0.5 V to 5.5 V operating range.
Consumer Peripheral Controllers
A compact peripheral can use the CY8C3665PVI-080 to combine an 8051-compatible control core with programmable system functions in a single 48-pin SSOP device. The 67 MHz maximum frequency provides ample control headroom for user-interface scanning, actuator commands, status handling, and communication tasks. Its 32 KB of Flash supports embedded firmware and device configuration without requiring external program memory in many designs. Product developers should define the boot, programming, and update strategy around the PSoC 3 programming workflow and verify that every required interface is supported by the selected CY8C3665 device configuration.
Power Management Controllers
The CY8C3665PVI-080 can serve as the supervisory controller in a compact power-management system where sequencing, monitoring, and mixed-signal decisions are required. Its configurable resources allow digital logic and analog functions to be consolidated, while the 8-bit processor executes control policies. The 0.5 V to 5.5 V operating-voltage range supports multiple embedded supply environments, and 32 KB of Flash accommodates control firmware. The design must still validate every power rail against the datasheet limits, provide appropriate local decoupling, and ensure that fault-handling behavior remains deterministic during startup, overload, or abnormal operating conditions.
Embedded Instrumentation
The CY8C3665PVI-080 is appropriate for compact test, measurement, and instrumentation modules that combine control logic with programmable analog or digital functions. Its 32 KB of Flash provides room for operating firmware, calibration handling, and communication routines, while the 8051-compatible core supports established embedded development practices. The PSoC architecture can shorten a design by placing configurable functions close to the processor rather than adding multiple fixed peripheral ICs. Instrument designers should review measurement accuracy requirements, analog-input limits, timing margins, and reference arrangements directly in the manufacturer datasheet because general catalog specifications do not define each peripheral’s precision.
Low-Voltage IoT Control Nodes
The CY8C3665PVI-080 can be used in a low-voltage IoT control node that performs local logic, sensor supervision, and peripheral integration in a surface-mount design. Its operating range of 0.5 V to 5.5 V allows integration with varied embedded rails, and the 67 MHz 8-bit core is suitable for deterministic device-control tasks. The 48-pin SSOP footprint simplifies assembly compared with larger leaded packages, although board density should account for routing to every programmed peripheral. Firmware developers should confirm communication peripheral availability, pin multiplexing, clock configuration, and low-power behavior in the exact device and package documentation.
工程参考数据： CY8C3665PVI-080 ——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 | CY8C3665PVI-049 |
|---|---|---|
| Package | 48-pin SSOP | 48-pin SSOP |
| Brand | Infineon Technologies | Infineon Technologies |
| Product Type | 8-bit PSoC 3 microcontroller | CY8C3665 PVI-family microcontroller |
| Product Family | PSoC 3 CY8C36xx | CY8C3665 PVI family |
| Mounting Type | Surface mount | Surface mount |
关键差异点
- Configurable mixed-signal integration （对比 CY8C3665PVI-049)
- Broad operating-voltage range （对比 CY8C3665PVI-049)
- Processing and memory balance （对比 CY8C3665PVI-049)
设计说明
Use the 48-pin SSOP land pattern and pin-1 orientation specified in the manufacturer package drawing. Place programming and debug interface components where they can reach the relevant device pins without crossing sensitive analog or clock traces. Preserve the exact pin assignments of CY8C3665PVI-080 in the schematic because PSoC peripheral routing depends on the selected device pins.
Confirm the external supply level and every enabled peripheral against the 0.5 V to 5.5 V operating range. Follow the manufacturer guidance for supply decoupling and place the required capacitors close to the power and ground pins. Validate startup, brownout, and shutdown behavior in hardware because a nominal operating-voltage range alone does not define every transient or rail-sequencing condition.
Separate clock-sensitive, analog, and high-speed digital routes as required by the configured peripheral functions. Keep analog inputs away from switching and programming activity, and use a quiet ground path where the selected peripheral documentation calls for it. Review signal integrity at the configured system clock rather than assuming every peripheral can be routed identically on the 48-pin SSOP.
Do not substitute the CY8C3665PVI-049 solely from its family name and SSOP package. Verify the orderable marking, operating frequency, temperature range, peripheral configuration, and any programming implications against the CY8C36xx manufacturer datasheet. A pin-compatible package preserves PCB placement, but it does not by itself guarantee functional interchangeability.
合规信息
The manufacturer datasheet excerpts do not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. These fields remain unknown rather than being inferred from the product family or package.
