ATMEGA64L-8MI View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

ATMEGA64L-8MI

8-bit AVR® Microcontroller with 64K Bytes In-System Programmable Flash

Atmel Corporation 

ATmega64(L)

ATmega64 Typical

Characteristics –

Preliminary Data

The following charts show typical behavior. These figures are not tested during manu-

facturing. All current consumption measurements are performed with all I/O pins

configured as inputs and with internal pull-ups enabled. A sine wave generator with rail-

to-rail output is used as clock source.

The power consumption in Power-down mode is independent of clock selection.

The current consumption is a function of several factors such as: Operating voltage,

operating frequency, loading of I/O pins, switching rate of I/O pins, code executed and

ambient temperature. The dominating factors are operating voltage and frequency.

The current drawn from capacitive loaded pins may be estimated (for one pin) as

CL*VCC*f where CL = load capacitance, VCC = operating voltage and f = average switch-

ing frequency of I/O pin.

The parts are characterized at frequencies higher than test limits. Parts are not guaran-

teed to function properly at frequencies higher than the ordering code indicates.

The difference between current consumption in Power-down mode with Watchdog

Timer enabled and Power-down mode with Watchdog Timer disabled represents the dif-

ferential current drawn by the Watchdog Timer.

2490G–AVR–03/04

341

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