Product category: PC-Compatible Boards and Assemblies
News Release from: Micro Computer Control Corp | Subject: iPort/AFM
Edited by the Electronicstalk Editorial Team on 9 July 2002
Adapter puts I2C in high-speed control
The latest I2C bus host adapter from Micro Computer Control Corp (MCC) provides a 4 to 100 times performance increase over earlier versions
The iPort/AFM (ASCII Fast Mode) host adapter brings new levels of performance to development, test, and embedded systems that require an I2C bus coprocessor. By implementing the new adapter with a high-speed processor, larger memory buffers, and highly optimised firmware, users recognise performance enhancements.
This article was originally published on Electronicstalk on 9 July 2002 at 8.00am (UK)
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Using an RS232 interface and a simple ASCII command set, the iPort/AFM offers plug-in compatibility with the previously available MCC iPort/AI host adapter, with an immediate 4 to 40x bus throughput improvement.
When a host computer takes advantage of these new capabilities in the iPort/AFM, including three selectable RS232 baud rates (up to 115K) and four I2C bus speeds up to 400kHz, throughput improvements of up to 100x are possible.
Such improvements enable designers to meet the expanding role of I2C in high-speed control and data intensive applications.
New in this third-generation bus host adapter, the iPort/AFM now supports the /INT signal line often found in I2C bus systems.
Similar to the SCL and SDA signals in I2C, the /INT signal is an open-collector line that allows slave-only devices to get the attention of a bus master by pulling the line low.
The iPort/AFM supports generating and monitoring of the /INT signal, allowing the adapter to participate as a master or slave device on a bus.
The iPort/AFM is available now and priced at $399.95 per unit.
Each iPort/AFM unit includes the iPort Utility Pack software with two Windows-based programs that enables the sending and receiving of the I2C bus messages within moments of installation.
Users can create custom programs in any computer language that supports RS-232 communication.
A complete ASCII command set and sample code is included in the user's guide and also available online.
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