ATmega328P datasheet(308/345 Pages) ATMEL

Part #	ATmega328P

Description	8-bit Microcontroller with 32K Bytes In-System Programmable Flash

PDF	345 Pages

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Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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308

7810A–AVR–11/09

ATmega328P [Preliminary]

28.6

System and Reset Characteristics

Notes:

1. VBOT 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 guarantees 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 = 100 and BODLEVEL = 101 for ATmega328P.

Table 28-4.

Reset, Brown-out and Internal Voltage Characteristics

Symbol

Parameter

Min

Typ

Max

Units

HYST

Brown-out Detector Hysteresis

VBG

Bandgap reference voltage

VCC=5V

1.0

1.1

1.2

Table 28-5.

BODLEVEL Fuse Coding

(1)

BODLEVEL 2:0 Fuses

Min VBOT

Typ VBOT

Max VBOT

Units

111

BOD Disabled

110

Reserved

101

2.5

2.7

2.9

100

4.0

4.3

4.6

011

Reserved

010

001

000

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