參數(shù)資料
型號: AD8159ASVZ
廠商: ANALOG DEVICES INC
元件分類: 運動控制電子
英文描述: 3.2 Gbps Quad Buffer Mux/Demux
中文描述: 12-CHANNEL, CROSS POINT SWITCH, PQFP100
封裝: LEAD FREE, MS-026AED-HD, TQFP-100
文件頁數(shù): 17/24頁
文件大小: 499K
代理商: AD8159ASVZ
AD8159
Table 12. Loopback, Bicast, and Port Select Settings
1
LB_A
LB_B
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
1
0
1
0
1
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
1
1
1
1
1
1
Switching is done on a lane-by-lane basis, but input equalization, output pre-emphasis, and loopback are set for each port.
Rev. A | Page 17 of 24
LB_C
0
0
0
0
1
1
1
0
0
0
1
1
1
0
0
0
1
1
1
0
0
1
SEL
0
0
1
1
0
X
1
0
1
1
0
1
X
0
0
1
0
X
1
0
1
X
BICAST
0
1
0
1
0
1
0
X
0
1
X
0
1
0
1
X
0
1
X
X
X
X
OUT_A
IN_C
IN_C
Idle
IN_C
IN_C
IN_C
Idle
IN_C
Idle
IN_C
IN_C
Idle
IN_C
IN_A
IN_A
IN_A
IN_A
IN_A
IN_A
IN_A
IN_A
IN_A
OUT_B
Idle
IN_C
IN_C
IN_C
Idle
IN_C
IN_C
IN_B
IN_B
IN_B
IN_B
IN_B
IN_B
Idle
IN_C
IN_C
Idle
IN_C
IN_C
IN_B
IN_B
IN_B
OUT_C
IN_A
IN_A
IN_B
IN_B
IN_C
IN_C
IN_C
IN_A
IN_B
IN_B
IN_C
IN_C
IN_C
IN_A
IN_A
IN_B
IN_C
IN_C
IN_C
IN_A
IN_B
IN_C
PORT C REVERSE (CROSSOVER) CAPABILITY
Port C has a reversible I/O capability. The sense (input vs.
output) of the Port C pins can be swapped by toggling the
REVERSE_C control pin. This feature has been added to
facilitate the connection to different ASICs that may have
the opposite pinouts.
0
X4
X4
X4
X4
X4
X4
1:2 DEMUX
OUT_A[3:0]
OUT_B[3:0]
IN_B[3:0]
IN_A[3:0]
X4
REVERSE_C
2:1 MUX
IN_C [3:0]/OUT_C[3:0]
X4
OUT_C [3:0]/IN_C[3:0]
I/O
SWITCH
I/O
SWITCH
Figure 37 illustrates the reversible I/O function of Port C, and
Table 5 describes this function in a selection table that
corresponds to a TQFP-100 package. Please note that the
reverse capability is supported only on Port C.
Figure 37. Port C Reverse I/O Capability
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