ATXMEGA32A4-MH View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

ATXMEGA32A4-MH

8/16-bit AVR® XMEGA A4 Microcontroller

Atmel Corporation 

34.3 Speed

XMEGA A4

Table 34-2. Operating voltage and frequency

Symbol Parameter

Condition

Min

Typ

Max

Units

VCC = 1.6V

0

VCC = 1.8V

0

ClkCPU

CPU clock frequency

VCC = 2.7V

0

VCC = 3.6V

0

12

12

MHz

32

32

The maximum CPU clock frequency of the XMEGA A4 devices is depending on VCC. As shown

in Figure 34-1 on page 63 the Frequency vs. VCC curve is linear between 1.8V < VCC < 2.7V.

Figure 34-1. Operating Frequency vs.Vcc

MHz

32

Safe Operating Area

12

1.6 1.8

2.7

3.6

V

63

8069O–AVR–08/10

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