Arduino A000053 Datasheet download pdf (Page 17)

7766FS–AVR–11/10

ATmega16/32U4

6.2 ATmega32U4

Speed (MHz) Power Supply Ordering Code Default Oscillator Package Operation Range

2.7 - 5.5 V

ATmega32U4-AU External XTAL

44ML

Industrial (-40° to +85°C)

ATmega32U4RC-AU Internal Calib. RC

ATmega32U4-MU External XTAL

44PW

ATmega32U4RC-MU Internal Calib. RC

Package Type

44ML

ML, 44 - Lead, 10 x 10 mm Body Size, 1.0 mm Body Thickness

0.8 mm Lead Pitch, Thin Profile Plastic Quad Flat Package (TQFP)

44PW

PW, 44 - Lead 7.0 x 7.0 mm Body, 0.50 mm Pitch

Quad Flat No Lead Package (QFN)

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Arduino A000053 Datasheet Page 17