Datasheet

Status Code
(TWSR)
Prescaler
Bits are 0
Status of the Two-Wire
Serial Bus and Two-Wire
Serial Interface Hardware
Application Software Response Next Action Taken by TWI
Hardware
To/From
TWDR
To TWCRn
STA STO TWINT TWEA
0x38 Arbitration lost in SLA+W or
data bytes
No TWDR
action or
0 0 1 X two-wire Serial Bus will be
released and not addressed
Slave mode entered
No TWDR
action
1 0 1 X A START condition will be
transmitted when the bus
becomes free
ATmega48PA/88PA/168PA
Two-Wire Serial Interface (TWI)
© 2018 Microchip Technology Inc.
Datasheet Complete
DS40002011A-page 286