參數(shù)資料
型號(hào): DS1077
英文描述: 10/100/1000 Base-T Ethernet LAN Switch
中文描述: EconOscillator™/分頻器
文件頁(yè)數(shù): 4/21頁(yè)
文件大小: 286K
代理商: DS1077
DS1077
4 of 21
DEVICE MODE USING OUT0
Table 1
EN0
(BIT)
(BIT)
SEL0
PDN0
(BIT)
CTRL0
(PIN)
1
0
1
0
1
0
1
0
1
0
1
0
OUT0
(PIN)
HI-Z
HI-Z
MCLK/M
MCLK
HI-Z
MCLK
HI-Z
MCLK/M
HI-Z
MCLK
HI-Z
MCLK/M
CTRL0
FUNCTION
DEVICE
MODE
POWER-DOWN
ACTIVE
0
0
0
POWER-
DOWN*
0
1
0
MUX SELECT
ACTIVE
1
0
0
OUTPUT
ENABLE
OUTPUT
ENABLE
POWER-
DOWN
POWER-
DOWN
ACTIVE
1
1
0
ACTIVE**
POWER-DOWN
ACTIVE
POWER-DOWN
ACTIVE
X
0
1
X
1
1
*This mode is for applications where OUT0 is not used, but CTRL0 is used as a device shutdown.
**Default Condition
DEVICE MODE USING OUT1
Table 2
PDN1
(BIT)
(PIN)
CTRL1
CTRL1
FUNCTION
OUT1
DEVICE MODE
0
0
OUTPUT ENABLE
OUT CLK
ACTIVE**
0
1
OUTPUT ENABLE
HI-Z
ACTIVE**
1
0
POWER-DOWN
OUT CLK
ACTIVE
1
1
POWER-DOWN
HI-Z
POWER-DOWN
**Default Condition
NOTE:
Both CTRL0 and CTRL1 can be configured as power-downs. They are internally “OR” connected so that
either of the control pins can be used to provide a power-down function for the whole device, subject to
appropriate settings of the PDN0 and PDN1 register bits (see Table 3).
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