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參數(shù)資料
| 型號： | GCIXF440ACT |
| 英文描述： | Controller Miscellaneous - Datasheet Reference |
| 中文描述： | 控制器雜項(xiàng)-數(shù)據(jù)表參考 |
| 文件頁數(shù)： | 13/128頁 |
| 文件大?。?/td> | 1262K |
| 代理商： | GCIXF440ACT |
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Intel
IXF1002 Dual Port Gigabit Ethernet Controller
Datasheet
13
fdat<63:0>
I/O
FIFO data bus.
In full-64 mode:
fdat<63:0> (I/O) carries the data to be written to the transmit FIFO or read
from the receive FIFO of the selected port.
In split mode:
fdat<31:0> (output) carries the data to be read from the receive FIFO of the
selected port.
fdat<63:32> (input) carries the data to be written to the transmit FIFO of the
selected port.
In narrow mode:
fdat<31:0> (I/O) carries the data to be written to the transmit FIFO or to be
read from the receive FIFO of the selected port.
fdat<63:32> should be connected to pull up resistors.
FIFO byte enable.
In full-64 mode:
During transmit, fbe_l<7:0> indicates which of the bytes driven onto
fdat<63:0> contain valid data (valid bytes need to be contiguous and at least
one byte must be valid). During receive, fbe_l<7:0> indicates which bytes
are valid. Each fbe_l signal relates to a different fdat byte (for example,
fbe_l<0> relates to fdat<7:0> and fbe_l<5> relates to fdat<47:40>).
In split mode:
fbe_l<3:0> (output) relates to fdat<31:0> that is directed out of the port
(receive FIFO).
fbe_l<7:4> (input) indicates valid data on fdat<63:32> that is directed into
the port (transmit FIFO).
In narrow mode:
fbe_l<3:0> (I/O) relates to fdat<31:0> that is directed in/out of the port.
fbe_l<7:4> should be connected to pull up resistors.
Receive keep.
When asserted, this signal causes the last read data to be kept in the receive
FIFO. May be asserted only with rxsel_l assertion.
Start of packet.
In full-64 mode and in narrow mode (sop
–
I/O):
When asserted during transmit, indicates that the first data in the packet is
transferred to the transmit FIFO. During receive, this signal is asserted when
the first data in the packet is transferred from the receive FIFO to the IX Bus.
In split mode (sop_rxf
–
output):
During receive, this signal is asserted when the first data in the packet is
transferred from the receive FIFO to the IX Bus.
Start of packet.
In full-64 mode and in narrow mode:
This signal is not in use and should be connected to a pull up resistor.
In split mode:
During transmit, indicates that the first data in the packet is written to the
transmit FIFO.
fbe_l<7:0>
I/O
rxkep
I
sop/sop_rxf
I/O
sop_txf
I
Table 2. Signal Descriptions (Sheet 3 of 6)
Signal Name
I/O
Pin Description
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