参数资料
型号: AD8159ASVZ
厂商: Analog Devices Inc
文件页数: 8/24页
文件大小: 0K
描述: IC MUX/DEMUX QUAD BUFF 100TQFP
标准包装: 1
系列: XStream™
应用: 2:1 多路复用器/1:2 多路分配器
接口: 串行
电源电压: 3 V ~ 3.6 V
封装/外壳: 100-TQFP 裸露焊盘
供应商设备封装: 100-TQFP-EP(14x14)
包装: 管件
安装类型: 表面贴装
产品目录页面: 801 (CN2011-ZH PDF)
AD8159
Rev. B | Page 16 of 24
LOOPBACK
The AD8159 also supports port level loopback, as is shown in
Figure 34. The loopback control pins override the lane select
(SEL[3:0]) and bicast control (BICAST) pins. Table 7 summarizes
the different loopback configurations.
05
61
1-
0
3
5
X4
1:2 DEMUX
Ox_A[3:0]
Ox_B[3:0]
Ix_B[3:0]
Ix_A[3:0]
PORT C LOOPBACK
PORT A LOOPBACK
PORT B LOOPBACK
2:1 MUX
IOx_C[3:0]
OIx_C[3.0]
Figure 34. Port-Based Loopback Capability
Table 7. Loopback, Bicast, and Port Select Settings1
LB_A
LB_B
LB_C
SELx
BICAST
OUT_A
OUT_B
OUT_C
0
IN_C
Idle
IN_A
0
1
IN_C
IN_A
0
1
0
Idle
IN_C
IN_B
0
1
IN_C
IN_B
0
1
0
IN_C
Idle
IN_C
0
1
X2
IN_C
0
1
0
Idle
IN_C
0
1
0
X2
IN_C
IN_B
IN_A
0
1
0
1
0
Idle
IN_B
0
1
0
1
IN_C
IN_B
0
1
0
X2
IN_C
IN_B
IN_C
0
1
0
Idle
IN_B
IN_C
0
1
1
IN_C
IN_B
IN_C
1
0
IN_A
Idle
IN_A
1
0
1
IN_A
IN_C
IN_A
1
0
1
X2
IN_A
IN_C
IN_B
1
0
1
0
IN_A
Idle
IN_C
1
0
1
1
IN_A
IN_C
1
0
1
X2
IN_A
IN_C
1
0
X2
IN_A
IN_B
IN_A
1
0
1
X2
IN_A
IN_B
1
IN_A
IN_B
IN_C
1 Switching is done on a lane-by-lane basis, but input equalization, output pre-emphasis, and loopback are set for each port.
2 Don’t care.
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