參數(shù)資料
型號: DM9102AT
廠商: Electronic Theatre Controls, Inc.
英文描述: Single Chip Fast Ethernet NIC controller
中文描述: 單芯片快速以太網(wǎng)網(wǎng)卡控制器
文件頁數(shù): 59/77頁
文件大?。?/td> 459K
代理商: DM9102AT
DM9102A
Single Chip Fast Ethernet NIC controller
receive FIFO can be accessed from CR13 & CR14 by
programming CR6<28:25> = 0011.
Final
Version: DM9102A-DS-F03
August 28, 2000
59
The operational sequence from D0 to D3 should be:
Stop TX/RX process wait for entering stop state
test mode, CR6<28:25> = 0011 programming FIFO
contents exit test mode enter D3(hot) state
set
The sample frame data comparison is completed when the
received frame data has exceeded the programmed frame
length or the full packet has been fully received. The
operation procedure is shown below.
DM9102A can handle 8 sample frames.
The max byte count is 256 byte each
sample frame.
Frame0
data0
Frame1
data0
Frame2
data0
Frame3
data0
0
4
508
byte
byte
byte
byte
0
7
8
15
16
23
24
31
252
256
Frame0
Mask 0
Frame1
Mask 0
Frame2
Mask 0
Frame3
Mask 0
0
4
byte
byte
byte
byte
0
7
8
15
16
23
24
31
508
TX FIFO 2K byte= 8 * 256
bit1
bit0
description
0
0
0
1
1
0
1
1
end of mask(sample frame)
this byte musk check
this byte don’t care
this byte don’t care
Frame mask definition: only used bit0&bit1
mask_data mapping
Frame4
data0
Frame5
data0
Frame6
data0
Frame7
data0
260
260
256
252
Frame4
Mask 0
Frame5
Mask 0
Frame6
Mask 0
Frame7
Mask 0
RX FIFO 2K byte= 8 * 256
data1
data1
data1
data1
data1
data1
data1
data1
Mask 1 Mask 1
Mask 1 Mask 1
Mask 1 Mask 1
Mask 1 Mask 1
CR13: Sample Frame Access Register
Name
TxFIFO
RxFIFO
DiagReset
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.,
General definition
Transmit FIFO access port
Receive FIFO access port
General reset for diagnostic pointer port
Bit8:3
32h
35h
38h
Type
R/W
RW
RW
Bit 4: reserved.
Bit 5: set TX FIFO write_address to 100H.,
Bit 6: set RX FIFO write_address to 100H.
相關(guān)PDF資料
PDF描述
DM9108APPLICATIONENGINEERINGNOTESONE DM9108 Application Engineering notes one
DM9108APPLICATIONENGINEERINGNOTESTHREE DM9108 Application Engineering notes three
DM9108APPLICATIONENGINEERINGNOTESTWO DM9108 Application Engineering notes two
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