atmega32u4-16mu ATMEL Corporation, atmega32u4-16mu Datasheet - Page 430

• Manufacturer Part Number: atmega32u4-16mu
• Description: Atmega32u4 8-bit Avr Microcontroller With 32k Bytes Of Isp Flash And Usb Controller
• Manufacturer: ATMEL Corporation

30 Electrical Characteristics .................................................................... 397
31 Register Summary ............................................................................... 411
32 Instruction Set Summary ..................................................................... 415
33 Ordering Information ........................................................................... 418
34 Package Information ............................................................................ 418
35 Errata ..................................................................................................... 422
36 Datasheet Revision History for ATmega32U4 ................................... 423
430
29.4 Calibration Byte ..................................................................................................368
29.5 Parallel Programming Parameters, Pin Mapping, and Commands ....................368
29.6 Parallel Programming .........................................................................................371
29.7 Serial Downloading .............................................................................................379
29.8 Serial Programming Pin Mapping .......................................................................380
29.9 Programming via the JTAG Interface .................................................................384
30.1 Absolute Maximum Ratings* ..............................................................................397
30.2 DC Characteristics ..............................................................................................397
30.3 External Clock Drive Waveforms ........................................................................399
30.4 External Clock Drive ...........................................................................................399
30.5 Maximum speed vs. V
30.6 2-wire Serial Interface Characteristics ................................................................400
30.7 SPI Timing Characteristics .................................................................................402
30.8 Hardware Boot EntranceTiming Characteristics .................................................403
30.9 ADC Characteristics – Preliminary Data .............................................................404
30.10 External Data Memory Timing ..........................................................................405
34.1 TQFP44 ..............................................................................................................419
34.2 QFN44 ................................................................................................................421
35.1 AT90USB164/324 Rev A ....................................................................................422
36.1 7766A .................................................................................................................423
ATmega32U4
CC ............................................................................................................................399
7766A–AVR–03/08