Datasheet

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ATmega16U4/32U4 [DATASHEET SUMMARY]
Atmel-7766J-USB-ATmega16U4/32U4-Datasheet_04/2016
OUT P, Rr Out Port P  Rr None 1
PUSH Rr Push Register on Stack STACK
 Rr None 2
POP Rd Pop Register from Stack Rd
 STACK None 2
MCU CONTROL INSTRUCTIONS
NOP No Operation None 1
SLEEP Sleep (see specific description for Sleep function) None 1
WDR Watchdog Reset (see specific description for WDR/timer) None 1
BREAK Break For On-chip Debug Only None N/A
Mnemonics Operands Description Operation Flags #Clocks