参数资料
型号: EVAL-ADUC7023QSPZ
厂商: Analog Devices Inc
文件页数: 90/96页
文件大小: 0K
描述: KIT DEV FOR ADUC7023 QUICK START
标准包装: 1
类型: MCU
适用于相关产品: ARM7TDMI
所含物品:
ADuC7023
Data Sheet
| Page 90 of 96
POWER-ON RESET OPERATION
An internal power-on reset (POR) is implemented on the
ADuC7023. For LVDD below 2.40 V typical, the internal POR
holds the part in reset. As LVDD rises above 2.40 V, an internal
timer times out for typically 64 ms before the part is released
from reset. The user must ensure that the power supply IOVDD
has reached a stable 2.7 V minimum level by this time. Likewise, on
power-down, the internal POR holds the part in reset until
LVDD has dropped below 2.40 V.
Figure 53 illustrates the operation of the internal POR in detail.
0
8675
-047
IOVDD
3.3V
2.6V
2.40V TYP
64ms TYP
LVDD
POR
Figure 53. Internal Power-On Reset Operation
Rev. E
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