參數(shù)資料
型號: GCIXF440AC
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): 11/128頁
文件大?。?/td> 1262K
代理商: GCIXF440AC
Intel
IXF1002 Dual Port Gigabit Ethernet Controller
Datasheet
11
2.0
Pinout
This chapter describes the IXF1002 pinouts.
2.1
Signal Description
Table 2
describes the IXF1002 signals.
The following conventions are used in the signal names:
The following abbreviations are used in
Table 2
:
_l:
Indicates that the pin is active low.
{i}:
The i subscript appended to pin names indicates that each port has its own pin (numbered from 0 to 1).
<m:l>:
Refers to a pin number within a bus (m is the most significant, l is the least significant).
I
=
Input
O
=
Output
OD
=
Open Drain
I/O
=
Input/Output
Table 2. Signal Descriptions (Sheet 1 of 6)
Signal Name
CPU Interface
I/O
Pin Description
cs_l
I
Chip select.
This pin must be asserted to enable CPU access to the chip registers.
CPU port select.
Selects one of the two internal ports for register accesses. When asserted, port
number 1 is selected. when deasserted, port number 0 is selected.
Read strobe.
Upon assertion, the address signals cadd<9:0>, cs_l, and cps are latched by the
chip. Deassertion occurs after the read data is latched from the cdat<15:0> bus.
Write strobe.
Upon assertion, the address signals cadd<9:0>, cs_l, and cps are latched by the
chip. Deassertion must occur while the data is valid on the cdat<15:0> bus.
Ready indication.
When asserted, indicates that either data is stable on the cdat<15:0> bus during
read access or that data was latched by the chip during write access.
Address bus.
Selects one of the internal registers to be accessed.
cps
I
crd_l
I
cwr_l
I
crdy_l
OD
cadd<9:0>
I
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