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ADuC7023BCPZ62I-R7 データシート(PDF) 90 Page - Analog Devices

部品番号 ADuC7023BCPZ62I-R7
部品情報  Precision Analog Microcontroller, 12-Bit Analog I/O, ARM7TDMI MCU with Enhanced IRQ Handler
PDF  96 Pages
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メーカー  AD [Analog Devices]
ホームページ  http://www.analog.com
Logo AD - Analog Devices

ADuC7023BCPZ62I-R7 データシート(HTML) 90 Page - Analog Devices

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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.
IOVDD
3.3V
2.6V
2.40V TYP
2.40V TYP
64ms TYP
LVDD
POR
Figure 53. Internal Power-On Reset Operation
Rev. E



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