ATXMEGA64A1 datasheet(66/99 Pages) ATMEL

66 / 99 page

8067I–AVR–04/09

XMEGA A1

Note:

1. All Power Reduction Registers set. T = 25°C if not specified.

2. All parameters measured as the difference in current consumption between module enabled and disabled. All data at

VCC =3.0V, ClkSYS = 1 MHz External clock with no prescaling, T = 25°C.

33.3

Speed

The maximum System clock frequency of the XMEGA A1 devices is depending on V

CC. As

shown in Figure 33-1 on page 66 the Frequency vs. V

CC cu rve is linear bet wee n

1.8V < V

CC <2.7V.

Figure 33-1. Operating Frequency vs. Vcc

ICC

AC High-speed

220

µA

AC Low-power

110

USART

Rx and Tx enabled, 9600 BAUD

7.5

DMA

1 MBps data rate

180

Timer/Counter

Prescaler DIV1

AES

195

Table 33-1.

Current Consumption (Continued)

Symbol

Parameter

Condition

Min.

Typ.

Max.

Units

Table 33-2.

Speed

Symbol

Parameter

Condition

Min

Typ

Max

Units

Clk

SYS

System clock

frequency

CC = 1.6V

MHz

VCC = 1.8V

VCC = 2.7V

CC = 3.6V

1.8

MHz

2.7

3.6

1.6

Safe Operating Area

ATXMEGA64A1 Datasheet(PDF) 66 Page - ATMEL Corporation

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