參數(shù)資料
型號: LU5X31F
廠商: Lineage Power
英文描述: Gigabit Ethernet Transceiver(千兆位以太網(wǎng)收發(fā)器)
中文描述: 千兆以太網(wǎng)收發(fā)器(千兆位以太網(wǎng)收發(fā)器)
文件頁數(shù): 18/22頁
文件大?。?/td> 348K
代理商: LU5X31F
18
Lucent Technologies Inc.
LU5X31F
Gigabit Ethernet Transceiver
Preliminary Data Sheet
August 2000
Test Modes
(continued)
Table 16. Test Modes
(continued)
Global
Local Test Configuration
Global
Operation
BYPPLL
0
TEST1
1
TEST2
1
TEST3
0
TEST4
0
TEST5
Output
Transmitter is held in reset. BYPPLL
overrides this reset. Analog PLL feed-
back signal viewed at TEST5 pin.
Transmitter and receiver are held in
reset. RX[9:0] output is from digital fil-
ter, not the serial data.
Transmitter and receiver are held in
reset. RX[9:0] output is from digital fil-
ter, not the serial data. Analog PLL
feedback signal viewed at TEST5 pin.
Analog PLL is bypassed for low-speed
functional test. A low-speed clock is
input to TEST4, and a quadrature clock
is applied to TEST5. Frequency of
clocks is 5X REFCLK, but here REF-
CLK is lowered to about 1 MHz.
Analog PLL is bypassed for low-speed
functional test. A low-speed clock is
input to TEST4, and a quadrature clock
is applied to TEST5. Frequency of
clocks is 5X REFCLK, but here REF-
CLK is lowered to about 1 MHz.
RX[9:0] output is from digital filter, not
the serial data.
0
1
1
1
1
X
0
1
1
1
0
Output
1
X
X
0
C-0
C-90
1
X
X
1
C-0
C-90
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