参数资料
型号: EVAL-AD5100EBZ
厂商: Analog Devices Inc
文件页数: 18/36页
文件大小: 0K
描述: BOARD EVAL FOR AD5100
标准包装: 1
主要目的: 电源管理,电源监控器/跟踪器/序列发生器
已用 IC / 零件: AD5100
主要属性: 电压检测器和监控器
次要属性: 开漏极输出
已供物品:
AD5100
Floating WDI Input
If the WDI pin is floating, the watchdog function is disabled by
default. However, floating watchdog can be enabled in the RESET
configuration register such that a broken WDI connection or
any unusual condition that makes WDI float triggers the reset.
MANUAL RESET INPUT
Manual reset (MR) is an active low input to the AD5100 and
has an internal pull-up resistor to V 3MON . If the input signal on
the MR pin goes low, RESET is activated. MR can be driven
from a CMOS logic signal.
?
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Register 0x0D[3] = 0: floating WDI input does not activate
RESET (Default)
Register 0x0D[3] = 1: floating WDI input activates RESET
The MR and RESET timing diagrams are shown in Figure 15 .
Note that RESET is activated after t MR_DELAY and is held for
t RS_HOLD after the MR signal has gone high again.
This feature is fixed in OTP memory. Enabling or disabling the
floating WDI feature can be changed dynamically, using the
MR has the highest priority in triggering the RESET over any
other monitoring inputs.
OTP overridden function is selected.
MR
< t MR_GLITCH
t MR
t MR_DELAY
t RS_HOLD*
RESET
* = PROGRAMMABLE
Figure 15. Manual Reset (MR) Timing Diagram
Rev. A | Page 18 of 36
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