Asante 10Base2 Manual de usuario descargar pdf (Pagina 20)

USB Packets

Always start with SYNC

Then 4-bit type, 4-bit type complemented

2 bits distinguish Token, Data, Handshake, and Special,

other two bits select sub-types

Then data, depending on packet type

Data checked using a CRC

Addresses (1-128) assigned by bus master, each with 16

possible endpoints

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 40 41

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Asante 10Base2 Manual de usuario Pagina 20