LAN9730 Datasheet, PDF (52/222 Pages) SMSC Corporation – High-Speed Inter-Chip (HSIC) USB 2.0

LAN9730/LAN9730i
FIGURE 4-5:
TX FIFO STORAGE
tx_wr_ptr
tx_wr_hd_ptr
TX Command B
TX Command A
USB Packet 1
23 Byte Payload
TX Command B
TX Command A
Unused bytes
are indicated to
the TLI by
controlling the
byte enables.
USB Packet 0
17 Byte Payload
TX Command B
TX Command A
9 Byte Payload
65 Byte
Ethernet
Frame
TX Command B
TX Command A
16 Byte Payload
tx_rd_ptr
TX Command B
TX Command A
DS00001946A-page 52
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