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COM200221 参数 Datasheet PDF下载

COM200221图片预览
型号: COM200221
PDF下载: 下载PDF文件 查看货源
内容描述: 10 Mbps的ARCNET ( ANSI 878.1 )控制器2Kx8片上RAM [10 Mbps ARCNET (ANSI 878.1) Controller with 2Kx8 On-Chip RAM]
分类和应用: 控制器
文件页数/大小: 82 页 / 509 K
品牌: SMSC [ SMSC CORPORATION ]
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10 Mbps ARCNET (ANSI 878.1) Controller with 2Kx8 On-Chip RAM  
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  
SMSC COM20022I  
Page 77  
Revision 09-27-07  
DATASHEET  
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