http://ezdaq.com/goods/view?no=337 << 상품 링크 SPI Xpress
SPI Xpress 는 칩과 보드를 분석, 시험, 디버깅하기위한 고속 SPI (Serial Peripheral Interface) 검사기/분석기입니다.
SPI Xpress는 표준 SPI 와 SPI에서 변형된 많은 직렬 인터페이스 (serial interfaces)에 잘 동작합니다.
SPI Xpress 는 GUI, waveform viewer, scripting TCL/tk interface, 및 direct C/C++ DLL access 등이 있는 “8PI Control Panel” control software 와 함께 공급됩니다.
http://alvastro.tistory.com/63 에 SPI 가 잘 소개 되어 있네요 (영문)
http://ezdaq.com/board/view?id=board3&page=100&seq=837 << 이지댁 자료실
SPI Xpress
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SPI Xpress is a SPI (Serial Peripheral Interface) protocol exerciser and analyser.
It operates on standard SPI and non-standard 4-wires and 3-wires serial protocol interfaces up to 50 Mbps data rate.
Serial Peripheral Interface has become a de facto standard for chip-to-chip communication and peripheral control, like real-time clocks, displays, microcontrollers. Its full-duplex and relative simple communication scheme also present many advantages for point-to-point data streaming to DSP, ADC and DAC.
Used as an exerciser and analyzer, SPI Xpress lets you play the role of a master (exerciser) from the PC and lets you intercept the serial protocol traffic (analyzer) for subsequent checking. Moreover, as de facto standard, SPI protocol is characterised by many parameters and custom variations. SPI Xpress offers signal polarity and positioning options, clock generation options and 3 wires port interface capabilities when used as both exerciser and analyzer.
Palm-sized and USB-powered, SPI Xpress typically fits embedded system development and validations usage scenarios, when there is a need to test and debug at signal level by interacting with each component of a serially-interconnected system.
SPI Xpress is controlled with the 8PI Control Panel software, through the GUI, the TCL/tk scripting interface and the freely provided C/C++ API. SPI analyzer control software notably include 3 levels of decoding and a waveform viewer. Programming interfaces are especially useful when low-level debug must be synchronized with higher-level software debug. Controlling both the software execution and signal-level interactions from the same familiar PC environment also increases software and hardware embedded engineers productivity:
- Stop quitting your desk for trials in the lab;
- Stop waiting for the bench-top logic analyzer or signal generator to be available;
- Place your debug tool next to your laptop on any desk.
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