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...
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Overview
Description
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.
Features
- 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
Comparison
Applications
Documentation
Featured Documentation
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| Type | Title | Date |
| Datasheet | PDF 1.06 MB | |
| Guide | 7Z 1.21 MB | |
| Product Change Notice | PDF 24 KB | |
| Manual - Development Tools | PDF 1.50 MB | |
| Schematic | PDF 107 KB | |
| Product Brief | PDF 174 KB | |
| Application Note | PDF 644 KB | |
| Manual - Development Tools | PDF 248 KB | |
| Technical Brief | PDF 342 KB | |
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Design & Development
Software & Tools
Boards & Kits
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...
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on the CAD Model links in the Product Options table. If a symbol or model isn't available, it can be requested directly from SamacSys.
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