參數(shù)資料
型號(hào)： S2028A
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, PQFP224
封裝： LDCC-224
文件頁(yè)數(shù)： 15/20頁(yè)
文件大?。?/td> 147K
代理商： S2028A
4
33 x 32 1.25 GBIT/S DIFFERENTIAL CROSSPOINT SWITCH
S2028
July 2, 1999 / Revision C
Figure 3. 33 x 32 Crosspoint Switch Memory Map
X X X X X X X X X X X
0 0 0 X
Address
IADDR
Data
UNICAST MODE (Address 0–127)
BROADCAST
MULTICAST
BREAK
BANKSEL
ADVERT
0ADDR
Connect crosspoint input channel IADDR to output channel 0ADDR.
ADVERT overrides IADDR with the ADVERTISEP/N input.
X X X X X X X X X X X
0 0 1 X
Address
IADDR
Data
UNICAST MODE WITH BREAK (Address 128–255)
BROADCAST
MULTICAST
BREAK
BANKSEL
ADVERT
0ADDR
Connect crosspoint input channel IADDR to output channel 0ADDR.
ADVERT overrides IADDR with the ADVERTISEP/N input.
X X X X X X X X X X X XXXXX
1 X X X
Address
IADDR
Data
BROADCAST MODE (Address 512–1023)
BROADCAST
MULTICAST
BREAK
BANKSEL
ADVERT
Connect crosspoint input channel IADDR to all output channels.
ADVERT overrides IADDR with the ADVERTISEP/N input.
0 1 0
Address
IADDR
Data
MULTICAST MODE (Address 256–383)
BROADCAST
MULTICAST
BREAK
BANKSEL
ADVERT
OUTPUT MASK
Connect crosspoint input channel IADDR to output channels as follows:
(1 in mask adds a connection, 0 keeps the previous connection)
ADVERT BANKSEL
0
1
0
1
0
1
IADDR to output mask selected channels 0–15
IADDR to output mask selected channels 16–31
ADVERTISEP/N to output mask selected channels 0–15
ADVERTISEP/N to output mask selected channels 16–31
0 1 1
Address
IADDR
Data
MULTICAST MODE WITH BREAK (Address 384–511)
BROADCAST
MULTICAST
BREAK
BANKSEL
ADVERT
OUTPUT MASK
Connect crosspoint input channel IADDR to output channels as follows:
1 in mask adds a connection
0 breaks a connection (if the current IADDR matches the previous IADDR)
ADVERT BANKSEL
0
1
0
1
0
1
IADDR to output mask selected channels 0–15
IADDR to output mask selected channels 16–31
ADVERTISEP/N to output mask selected channels 0–15
ADVERTISEP/N to output mask selected channels 16–31
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