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DM9102DEP датащи(PDF) 52 Page - Davicom Semiconductor, Inc.

номер детали DM9102DEP
подробное описание детали  Single Chip Fast Ethernet NIC Controller
PDF  70 Pages
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производитель  DAVICOM [Davicom Semiconductor, Inc.]
домашняя страница  http://www.davicom.com.tw
Logo DAVICOM - Davicom Semiconductor, Inc.

DM9102DEP датащи(HTML) 52 Page - Davicom Semiconductor, Inc.

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Final
Version: DM9102D-DS-F01
May 10, 2006
The operational sequence from D0 to D3 should be:
Stop TX/RX process
wait for entering stop state
set
test mode, CR6<28:25> = 0011
programming FIFO
contents
exit test mode
enter D3 (hot) state
The sample frame data comparison is completed when the
received frame data has exceeded the programmed frame
length or when the whole packet has been fully received.
The operation procedure is shown below.
CR13: Sample Frame Access Register
Name
General definition
Bit8:3
Type
TxFIFO
Transmit FIFO access port
32h
R/W
RxFIFO
Receive FIFO access port
35h
RW
DiagReset
General reset for diagnostic pointer port
38h
RW
In DiagReset port there are 7 bits:
Bit 0: Clear TX FIFO write_ address to 0
Bit 1: Clear TX FIFO read_ address to 0
Bit 2: Clear RX FIFO write_ address to 0
Bit 3: Clear RX FIFO read_ address to 0
Bit 4: Reserved
Bit 5: Set TX FIFO write_ address to 080H
Bit 6: Set RX FIFO write_ address to 080H



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