PCIF0 datasheet(259/294 Pages) ATMEL

Nome de Peças	PCIF0

Descrição Electrónicos	High Performance, Low Power Atmel AVR 8-bit Microcontroller Advanced RISC Architecture

PDF	294 Pages

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Fabricante Electrônico	ATMEL [ATMEL Corporation]

Página de início	http://www.atmel.com

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259 / 294 page

259

9219A–RFID–01/11

Atmel ATA5505 [Preliminary]

Notes:

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 guarantees that a Brown-Out Reset will occur before VCC drops to a voltage where cor-

rect operation of the microcontroller is no longer guaranteed. The test is performed using

BODLEVEL = 101 for Low Operating Voltage and BODLEVEL = 100 for High operating

Voltage.

23.6

Internal Voltage Characteristics

Table 23-5.

BODLEVEL Fuse Coding

BODLEVEL 2:0 Fuses

Min. VBOT

(1)

Typ. VBOT

Max. VBOT

Units

1 1 1 b

BOD Disabled

1 1 0

1.7

1.8

2.0

1 0 1 b

2.5

2.7

2.9

1 0 0

4.1

4.3

4.5

0 1 1

Reserved

0 1 0 b

0 0 1

0 0 0

Table 23-6.

Brown-out Characteristics

Symbol

Parameter

Min.

Typ.

Max.

Units

VHYST

Brown-out Detector Hysteresis

BOD

Min Pulse Width on Brown-out Reset

µs

Table 23-7.

Internal Voltage Reference Characteristics

Symbol

Parameter

Condition

Min.

Typ.

Max.

Units

VBG

Bandgap reference voltage

VCC =4.5

A =25°C

1.0

1.1

1.2

Bandgap reference start-up time

VCC =4.5

TA =25°C

µs

IBG

Bandgap reference current consumption

CC =4.5

TA =25°C

µA

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