参数资料
型号: M7020R-083ZA1T
厂商: 意法半导体
英文描述: 32K x 68-bit Entry NETWORK SEARCH ENGINE
中文描述: 32K的× 68位进入网络搜索引擎
文件页数: 34/150页
文件大小: 996K
代理商: M7020R-083ZA1T
M7020R
34/150
Cycle 2:
The host ASIC drives the DQ[67:0]
with the data to be written to the data array or
mask array location of the selected device. The
M7020R writes the data from the DQ[67:0] Bus
only to the subfield that has the corresponding
mask bit set to '1' in the global mask register
specified by the index CMD[5:3] and supplied in
Cycle 1.
Cycles 3 to n + 1:
The host ASIC drives the
DQ[67:0] with the data to be written to the next
data array or mask array location (addressed by
the auto-increment ADR field of the WBURREG
register) of the selected device.
The M7020R writes the data on the DQ[67:0]
Bus only to the subfield that has the correspond-
ing mask bit set to '1' in the global mask register
specified by the index CMD[5:3] and supplied in
Cycle 1. The M7020R drives the EOT signal low
from Cycle 3 to Cycle n; the M7020R drives the
EOT signal high in Cycle n + 1 (n is specified in
the BLEN field of the WBURREG).
Cycle n + 2:
The M7020R drives the EOT signal
low. At the termination of the Cycle n + 2, the
M7020R floats the EOT signal to a 3-state, and
a new instruction can begin.
Figure 17. Single Location WRITE Cycle Timing
Cycle 1
Cycle 2
Cycle 3
Cycle 4
Cycle 0
CLK2X
CMDV
CMD[1:0]
DQ
PHS_L
AI04284
Write
CMD[8:2]
B
A
Address
Data
X
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