Datasheet

Figure 43-44. Read Write Flowchart in Slave Mode with SMBus PEC
Set SLAVE mode:
SADR + MSDIS + SVEN + SMBEN + PECEN
SVACC = 1 ?
TXCOMP = 1 ?
GACC = 1 ?
Decoding of the
programming sequence
Prog seq
OK ?
Change SADR
SVREAD = 1 ?
Read Status Register
RXRDY= 1 ?
Read TWIHS_RHR
TXRDY= 1 ?
EOSACC = 1 ?
Write in TWIHS_THR
END
GENERAL CALL TREATMENT
No
No
No
No
No
No
No
Last data to read ?
Write in PECRQ
Last data sent ?
No
Write in PECRQ
No
SAM E70/S70/V70/V71 Family
T
wo-wire Interface (TWIHS)
© 2019 Microchip T
echnology Inc.
Datasheet
DS60001527D-page 1082