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COM200221 Datasheet(PDF) 77 Page - SMSC Corporation

Part # COM200221
Description  10 Mbps ARCNET (ANSI 878.1) Controller with 2Kx8 On-Chip RAM
PDF  82 Pages
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Manufacturer  SMSC [SMSC Corporation]
Direct Link  http://www.smsc.com
Logo SMSC - SMSC Corporation

COM200221 Datasheet(HTML) 77 Page - SMSC Corporation

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10 Mbps ARCNET (ANSI 878.1) Controller with 2Kx8 On-Chip RAM
Datasheet
SMSC COM20022I
Page 77
Revision 09-27-07
DATASHEET
4.
“Write” means write signal and “Read” means read signal. “Write/Read” means write or read signal.
At INTEL MODE, write signal is nWR and read signal is nRD.
At MOTOROLA MODE, write signal is nDS when DIR is Low and the read signal is nDS when DIR is High.
5.
Conditions of CASE1W, CASE2W, CASE1R and CASE2R are shown below;
CASE1W : BUSTMG pin = High
CASE2W : BUSTMG pin = Low
CASE1R : BUSTMG pin = High and RBUSTMG bit = 0
CASE2R : BUSTMG pin = Low or RBUSTMG bit = 1



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