allegro 零件接脚对应

1、 Allegro 件接腳對應相關電影檔 : NoDate: MAR. 29,2004 Author: Samuel ChenRevision: 1.0PSD Version: PSD15.1 Cadence T aiwan Allegro 件接腳對應1. 前言Import Logic才發現psm 件庫, 與線圖件庫接腳對應一致. 使用 Librarian Expert可免除這困擾.2. 明在allegro 中, 放置pin number 1,2,64時預設值為”Connect”, 計入 pin 的固定孔可用”Mechanical”. 線圖件庫,在pstchip.dat 檔案中pin name:

2、 A<1>,A<2>,A<64>pstchip.dat (pstxprt.dat檔案中找出J1 'CONN64_PCMOUNT-BASE'primitive 'CONN64_PCMOUNT-BASE'pin'A'<1>:PIN_NUMBER='(1'PIN_TYPE='ANALOG'NO_LOAD_CHECK='BOTH'NO_IO_CHECK='BOTH'ALLOW_CONNECT='TRUE''A'&

3、lt;2>:PIN_NUMBER='(2'PIN_TYPE='ANALOG' NO_LOAD_CHECK='BOTH'NO_IO_CHECK='BOTH'ALLOW_CONNECT='TRUE'.'A'<64>:PIN_NUMBER='(64'PIN_TYPE='ANALOG'NO_LOAD_CHECK='BOTH'NO_IO_CHECK='BOTH'ALLOW_CONNECT='TRUE'end_pi

4、n;bodyCLASS='IO'PART_NAME='CONN64'PHYS_DES_PREFIX='J'JEDEC_TYPE='DIN64' 表示使用din64.psmPART_NUMBER='cad123'DESCRIPTION='64 pin din connector'PARENT_PART_TYPE='CONN64_PCMOUNT'PARENT_PPT='CONN64'PARENT_PPT_PART='CONN64_PCMOUNT-BASE'

5、end_body;end_primitive; 3. 使用在Librarian expert中,Footprint>Extract From Footprint.可使用ap 對應psm件庫(Physical Pins, 與線圖件庫接腳(Logical Pins 本版PCB Design Express 內容版權為Cadence 華電腦所有。© 2002 Cadence Design Systems, Inc. All rights reserved. Cadence, Allegro, Concept HDL, Orcad Capture, Orcad Layout, PSpice, SPECCTRA and the Cadence logo are registered trademarks, and SPECCTRAQuest are the trademark of