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| ST20-PPI (R) PC PARALLEL PORT TO OS-LINK INTERFACE PRODUCT INFORMATION FEATURES * Desktop mounted parallel port to differential OS-Link interface * Standard 25 way D-type parallel port connection * Standard 26 way D-type differential OS-Link connection * Plug top power supply * Supports nibble, byte and EPP mode parallel port standards DESCRIPTION The ST20-PPI parallel port to OS-Link interface is a host interface to allow connection from a PC parallel port to any OS-Link based ST20 development board such as the ST20450-SAB. The interface plugs into any standard PC 25 way D-type parallel port. Supported parallel port modes are: * Nibble mode * Byte mode * EPP mode depending on which mode the host PC can support. Connection to the development target is via a differential OS-Link connector, as used on the IMS B300 and ST20450-Development Board. Once connected, the development target can be accessed with the standard ST20 Toolset using the MS Windows drivers supplied. 1/6 January 1996 42 1679 00 ST20-PPI PC Parallel Port to OS-Link Interface 1 Introduction The ST20-PPI parallel port to OS-Link interface is a host interface to allow connection from a PC parallel port to any OS-Link based ST20 development board such as the ST20450-SAB. The interface plugs into any standard PC 25 way D-type parallel port. Supported parallel port modes are: * * * Nibble mode Byte mode EPP mode depending on which mode the host PC can support. Connection to the development target is via a differential OS-Link connector, as used on the IMS B300 and ST20450Development Board. Once connected, the development target can be accessed with the standard ST20 Toolset using the MS Windows drivers supplied. 2 2.1 Installation Hardware Installation The ST20-PPI has three connections: Parallel port; Differential OS-Link and Power supply. To install the hardware, the following steps should be followed: * * Plug the 25-way D-type of the parallel port cable built into the interface, into the parallel port of the PC Plug the target development system into the 26-way D-type using a differential OS-Link cable or the differential-to-single ended cable depending on the link interface available on the target board NOTE: To comply with EMC regulations this cable must use shielded cable with shielded headshells at either end. * * * * Plug power supply cable into PSU socket of the interface Plug the power supply into the mains socket. Switch on the PC Switch on the power supply. The power LED on the interface should illuminate when the power supply is switched on 2/6 (R) ST20-PPI PC Parallel Port to OS-Link Interface PC Parallel port cable Development Target e.g. ST20450-SAB ST20-PPI Differential Cable To mains adaptor Figure 2.1 ST20-PP1 connections 2.2 Software Installation For installation of the DLL and VxD drivers, please refer to the ST20 Toolset software installation documentation. 3/6 (R) ST20-PPI PC Parallel Port to OS-Link Interface 3 3.1 Connectors Differential Link Connector Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 Description +notSSDownReset +notSSDownAnalyse +notSSDownError +notSSUpReset +notSSUpAnalyse +notSSUpError +LinkOut +LinkIn GND GND GND GND GND Pin 14 15 16 17 18 19 20 21 22 23 24 25 26 Description GND GND GND GND GND -notSSDownReset -notSSDownAnalyse -notSSDownError -notSSUpReset -notSSUpAnalyse -notSSUpError -LinkOut -LinkIn Table 3.1 26 way D-type connector 3.2 Power Supply Connector The ST20-PPI uses a 2.5mm power connector. The voltage range is 8-13V dc. +V GND 4/6 (R) ST20-PPI PC Parallel Port to OS-Link Interface 3.3 Parallel Port Connector Pin 1 2 3 4 5 6 7 8 9 Description notWRITE D0 D1 D2 D3 D4 D5 D6 D7 Pin 10 11 12 13 14 15 16 17 18..25 Description D3-D7 notWAIT D2-D6 D1-D5 notDATA D0-D4 notINIT notADDR Ground Table 3.2 Parallel port connector pinout 4 Field Support SGS-THOMSON Microelectronics Limited products are supported worldwide through Sales Offices and authorized distributors. 5 Ordering information Description ST20-PPI Parallel Port to OS-Link Interface (US) ST20-PPI Parallel Port to OS-Link Interface (European) ST20-PPI Parallel Port to OS-Link Interface (UK) Order Number ST20-PPI/110 ST20-PPI/220 ST20-PPI/UK Table 5.1 Ordering information 5/6 (R) Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of SGS-THOMSON Microelectronics. (c) 1996 SGS-THOMSON Microelectronics - All Rights Reserved IMS and DS-Link are trademarks of SGS-THOMSON Microelectronics Limited. is a registered trademark of the SGS-THOMSON Microelectronics Group. SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco The Netherlands - Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A. (R) 6/6 (R) |
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