概览
描述
The ASI4U is a next-generation CMOS integrated circuit for AS-i networks. This low-level field bus AS-i (Actuator Sensor Interface) was designed for easy, safe, and cost-effective interconnection of sensors, actuators, and switches. It transports both power and data over the same two-wire unshielded cable.
The ASI4U is used as part of a master or slave node and functions as an interface to the physical bus. It provides the power supply, physical data transfer, and communication protocol handling. The ASI4U is fully compliant with the AS-Interface Complete Specification v3.0. It is function and pin compatible with the A²SI IC.
All configuration data are stored in an internal EEPROM that can be easily programmed by a stationary or handheld programming device. The special AS-i safety option assures short response times for security-related events.
特性
- Compliant with AS-Interface Complete Specification v3.0
- Universal application: slaves, masters, repeaters, and bus-monitors
- Floating AS-i transmitter and receiver for highly symmetrical high-power applications
- On-chip electronic inductor with current drive capability of 55mA
- Two configurable LED outputs to support all AS Interface Complete Specification v3.0 status indication modes
- Several data pre-processing functions, including configurable data input filters and bit-selective data inverting
- Additional addressing channel for easy wireless module setup
- Support of 8MHz and 16MHz crystals by automatic frequency detection
- Special AS-i safety option
- Clock watchdog for high system security
产品对比
应用
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| 类型 | 文档标题 | 日期 |
| 数据手册 | PDF 1.06 MB | |
| 指南 | 7Z 1.21 MB | |
| 产品变更通告 | PDF 24 KB | |
| 手册 - 开发工具 | PDF 1.50 MB | |
| 原理图 | PDF 107 KB | |
| 产品简述 | PDF 174 KB | |
| 应用说明 | PDF 644 KB | |
| 手册 - 开发工具 | PDF 248 KB | |
| 技术摘要 | PDF 342 KB | |
9 项目
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设计和开发
软件与工具
开发板与套件
评估
ASI4UKIT
有效
Evaluation Board for ASI4U
The ASI4U Evaluation Board demonstrates the integration of the ASI4U IC in an application specific design case. This evaluation board helps to reduce development effort and development time for ASI4U application projects. It demonstrates an IC reference design, illustrates simple application...
开发
ASI-PROG-KIT
有效
ASI Programmer Kit USB
The AS-Interface Programmer provides support for implementing Renesas' AS-Interface ICs, including the ASI4U and SAP51/SAP5S. An easy-to-use graphical user interface allows control of the AS-Interface functionality; e.g., EEPROM programming, telegram-by-telegram debugging for AS-Interface...
模型
ECAD 模块
点击产品选项表中的 CAD 模型链接，查找 SamacSys 中的原理图符号、PCB 焊盘布局和 3D CAD 模型。如果符号和模型不可用，可直接在 SamacSys 请求该符号或模型。
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支持
支持社区
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ASI4U application
I need help about "ASI4U" application, and I want make a 4DI and 4DO slave equipment by AS-I bus,
2022年10月11日
常见问题
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要认证基于 ASI4U-V5 的 ASi 器件有多难？
由于所有器件运行相同固件，因此互操作性和认证测试并不难。瑞萨电子为硬件提供适当的设计指南以确保满足 ASI-5 性 ...
2021年1月25日 -
是否需要为需要为 ASI4U-V5 上运行的认证 ASi-5 栈支付许可证费用？
不需要，固件包含于 IC，不涉及许可证费用。
2021年1月25日 -
关于瑞萨工业测量设备解决方案
瑞萨推出了用于工业测量设备的多种产品，例如微控制器产品，传感器，运算放大器，电源IC和通信驱动器。 在解决方案网站 ...
2021年4月5日