COM200221 데이터 시트보기 (PDF) - SMSC -> Microchip

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COM200221

10 Mbps ARCNET (ANSI 878.1) Controller with 2Kx8 On-Chip RAM

SMSC -> Microchip 

10 Mbps ARCNET (ANSI 878.1) Controller with 2Kx8 On-Chip RAM

Datasheet

Figure 10.1 - Effect of the EF Bit on the TA/RI Bit........................................................................................................81

List of Tables

Table 5.1 - Typical Media .............................................................................................................................................29

Table 6.1 - Read Register Summary............................................................................................................................31

Table 6.2 - Write Register Summary ............................................................................................................................32

Table 6.3 - Status Register ...........................................................................................................................................37

Table 6.4 - Diagnostic Status Register..........................................................................................................................38

Table 6.5 - Command Register.....................................................................................................................................39

Table 6.6 - Address Pointer High Register ....................................................................................................................40

Table 6.7 - Address Pointer Low Register.....................................................................................................................41

Table 6.8 - Sub Address Register .................................................................................................................................41

Table 6.9 - Configuration Register ................................................................................................................................42

Table 6.10 - Setup 1 Register .......................................................................................................................................43

Table 6.11 - Setup 2 Register .......................................................................................................................................44

Table 6.12 - Bus Control Register.................................................................................................................................45

Table 6.13 - DMA Count Register.................................................................................................................................46

Table 8.1 - DMA Timing................................................................................................................................................76

Table 9.1 - COM20022I 48 Pin TQFP Package Parameters........................................................................................78

For more details on the ARCNET protocol engine and traditional dipulse signaling schemes,

please refer to the ARCNET Local Area Network Standard, or the ARCNET Designer's

Handbook, available from Datapoint Corporation.

SMSC COM20022I

Page 5

DATASHEET

Revision 09-27-07

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