AT91SAM9G10-EK Atmel, AT91SAM9G10-EK Datasheet - Page 378

• Manufacturer Part Number: AT91SAM9G10-EK
• Description: KIT DEV FOR SAM9G10 ARM
• Manufacturer: Atmel
• Type: MCUr

Specifications of AT91SAM9G10-EK

• Contents: Board, Cables, Power Supply
• Silicon Manufacturer: Atmel
• Core Architecture: AVR
• Kit Contents: Board
• Svhc: No SVHC (15-Dec-2010)
• Mcu Supported Families: AT91SAM9G10, ARM926EJ-S
• Tool / Board Applications: Microcontroller
• Rohs Compliant: Yes
• For Use With/related Products: *
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Figure 31-3.
Figure 31-4. Transfer Format
31.6.2
378
AT91SAM9G10
Modes of Operation
START and STOP Conditions
TWD
TWCK
The TWI has six modes of operations:
These modes are described in the following chapters.
• A high-to-low transition on the TWD line while TWCK is high defines the START condition.
• A low-to-high transition on the TWD line while TWCK is high defines a STOP condition.
• Master transmitter mode
• Master receiver mode
• Multi-master transmitter mode
• Multi-master receiver mode
• Slave transmitter mode
• Slave receiver mode
Start
Address
TWCK
TWD
R/W
Start
Ack
Data
Ack
Data
Stop
Ack
Stop
6462A–ATARM–03-Jun-09