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AME8570 pdf datasheet (uProces
消耗积分:3 |
格式:rar |
大小:333 |
2008-12-01
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The AME8570 family allows the user to customize the
CPU reset function without any external components.
The user has serveral choice of reset voltage thresholds,
reset time intervals, and output driver configurations, all
of which are preset at the factory.
These circuits monitor the power supply voltage of mP
based systems. When the power supply voltage drops
below the voltage threshold a reset is asserted immediately
( within an interval TD1 ). The reset remains asserted
after the supply voltage rises above the voltage threshold
for a time interval, TD2. The reset output may be either
active high ( RESET ) or active low ( RESETB ). The
reset output may be configured as either push/pull or
open drain. The state of the reset output is guaranteed
to be correct only when supply voltage is greater than
1V.
The AME8570 also provide a reset manually by pulling
the MRB input to ground.
Space saving SC-70 package and micropower quiescent
current ( < 3.0mA ) make this family a natural for
portable battery powered equipment.
CPU reset function without any external components.
The user has serveral choice of reset voltage thresholds,
reset time intervals, and output driver configurations, all
of which are preset at the factory.
These circuits monitor the power supply voltage of mP
based systems. When the power supply voltage drops
below the voltage threshold a reset is asserted immediately
( within an interval TD1 ). The reset remains asserted
after the supply voltage rises above the voltage threshold
for a time interval, TD2. The reset output may be either
active high ( RESET ) or active low ( RESETB ). The
reset output may be configured as either push/pull or
open drain. The state of the reset output is guaranteed
to be correct only when supply voltage is greater than
1V.
The AME8570 also provide a reset manually by pulling
the MRB input to ground.
Space saving SC-70 package and micropower quiescent
current ( < 3.0mA ) make this family a natural for
portable battery powered equipment.
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