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ATmega325P датащи(PDF) 309 Page - ATMEL Corporation

номер детали ATmega325P
подробное описание детали  8-bit Microcontroller with 32K Bytes In-System Programmable Flash
PDF  364 Pages
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производитель  ATMEL [ATMEL Corporation]
домашняя страница  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATmega325P датащи(HTML) 309 Page - ATMEL Corporation

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309
8023F–AVR–07/09
ATmega325P/3250P
Notes:
1. Values are guidelines only. Actual values are TBD.
2. The Power-on Reset will not work unless the supply voltage has been below VPOT (falling)
26.8
Brown-out Detection
Note:
1. V
BOT may be below nominal minimum operating voltage for some devices. For devices where
this is the case, the device is tested down to V
CC = VBOT during the production test. This guar-
antees that a Brown-Out Reset will occur before VCC drops to a voltage where correct
operation of the microcontroller is no longer guaranteed. The test is performed using
BODLEVEL = 10 for ATmega325P/3250PV and BODLEVEL = 01 for ATmega325P/3250PL.
Table 26-5.
Reset, Brown-out and Internal Voltage Reference Characteristics
(1),
TA = -40°C to 85°C
Symbol
Parameter
Min
Typ
Max
Units
VPOT
Power-on Reset Threshold Voltage (rising)
1.1
1.4
1.6
V
Power-on Reset Threshold Voltage (falling)(2)
0.6
1.3
1.6
V
SRON
Power-on Slope Rate
0.01
10
V/ms
Table 26-6.
BODLEVEL Fuse Coding(1)
BODLEVEL 1:0 Fuses
Min V
BOT
Typ V
BOT
Max V
BOT
Units
11
BOD Disabled
10
1.7
1.8
2
V
01
2.5
2.7
2.9
00
4.1
4.3
4.5



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