參數(shù)資料
型號(hào): S2024B-8
廠商: APPLIEDMICRO INC
元件分類: 數(shù)字信號(hào)處理外設(shè)
英文描述: 32-BIT, DSP-CROSSBAR SWITCH, PQFP196
封裝: HEAT SINK, NON CONDUCTIVE TIE-BAR, LDCC-196
文件頁(yè)數(shù): 6/15頁(yè)
文件大?。?/td> 114K
代理商: S2024B-8
14
S2024
“CROSSBOW” 32 X 32 800 MBIT/S CROSSPOINT SWITCH
June 15, 1999 / Revision B
EXPANDING THE S2024 TO A 64 X 64
CROSSPOINT SWITCH
Four S2024s can be easily connected to form a 64 x 64
crosspoint switch. In order to accomplish this, the
switches must be configured so that any input can be
multiplexed to any output. The accompanying figure
provides an example of a 64 x 64 switch, making use of
the S2024’s expansion data inputs.
This arrangement allows all outputs to select input data
from any bit of the 64-bit data bus. The two secondary
S2024s receive data from the two primaries by means
of the expansion data inputs. The expansion inputs are
used when the switching operation has been realized
by the previous switches and only a flow through is
needed.
Crosspoint 1 switches D32–D63 to Crosspoint 3.
Crosspoint 2 switches D32–D63 to Crosspoint 4.
Crosspoint 3 switches D0–D31 to O0–O31 and/or re-
produces the outputs of Crosspoint 1 through the
expansion inputs.
Crosspoint 4 switches D0–D31 to O32–O63 and/or
reproduces the outputs of Crosspoint 2 through the
expansion inputs.
Figure 9. S2024 Expansion Diagram
Primary 1
Primary 2
Secondary 4
Secondary 3
DIN–31
DIN32–63
DOUT
XDIN
DOUT–31
DOUT32–63
DIN
DOUT
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