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DM9102DEP датащи(PDF) 53 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) 53 Page - Davicom Semiconductor, Inc.

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Final
53
Version: DM9102D-DS-F01
May 10, 2006
7.6 Sample Frame Programming Guide:
1. Enter the sample frame access mode:
Set CR6<28:25>=0011
2.Reset the TX/RX FIFO, write pointer to offset 0:
Write 38H to CR13<8:3>
Write 01h to CR14 (reset)
Write 00h to CR14 (clear)
3. Write the sample frame 0-3 data to RX FIFO:
Write 35H to CR13<8:3>
Write xxxxxxxxh to CR14 (Frame1~3 first byte)
Write xxxxxxxxh to CR14 (Frame1~3 second byte)
:
:
Repeat write until all frame data written to RX FIFO
4. Reset RX FIFO, write pointer to offset 080H:
Write 38H to CR13<8:3>
Write 40H to CR14 (reset)
Write 00H to CR14 (clear)
5. Write the sample frame 4-7 to RX FIFO:
Write 35H to CR13<8:3>
Write xxxxxxxxh to CR14 (Frame4~7 first byte)
Write xxxxxxxxh to CR14 (Frame4~7 second byte)
:
:
Repeat write until all frame data written to RX FIFO
6. Write the sample frame 0-3 mask to TX FIFO:
Write 32H to CR13<8:3>
Write xxxxxxxxh to CR14 (Frame0~3 first mask byte)
Write xxxxxxxxh to CR14 (Frame0~3 second mask byte)
:
:
Repeat write until all frame mask which is written to TX
FIFO
7. Reset TX FIFO, write pointer to offset 080H:
Write 38H to CR13<8:3>
Write 20H to CR14 (reset)
Write 00H to CR14 (clear)
8. Write the sample frame 4-7 mask to TX FIFO:
Write 32H to CR13<8:3>
Write xxxxxxxxh to CR14 (Frame4~7 first mask byte)
Write xxxxxxxxh to CR14 (Frame4~7 second mask byte)
:
:
Repeat write until all frame mask is written to TX
FIFO



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