at91sam9g20-cu ATMEL Corporation, at91sam9g20-cu Datasheet - Page 418

• Manufacturer Part Number: at91sam9g20-cu
• Description: At91 Arm Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

31.6.2
418
AT91SAM9G20 Preliminary
Modes of Operation
Figure 31-3.
Figure 31-4. Transfer Format
The TWI has six modes of operations:
These modes are described in the following chapters.
• Master transmitter mode
• Master receiver mode
• Multi-master transmitter mode
• Multi-master receiver mode
• Slave transmitter mode
• Slave receiver mode
TWD
TWCK
START and STOP Conditions
Start
Address
TWCK
TWD
R/W
Start
Ack
Data
Ack
Data
Stop
Ack
6384B–ATARM–15-Dec-08
Stop