AT91SAM9G10-EK Atmel, AT91SAM9G10-EK Datasheet - Page 384

• 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

31.7.7
Figure 31-14. SMBUS Quick Command
31.7.8
384
AT91SAM9G10
SMBUS Quick Command (Master Mode Only)
Read-write Flowcharts
The TWI interface can perform a Quick Command:
The following flowcharts shown in
31-18 on page
read and write operations. A polling or interrupt method can be used to check the status bits.
The interrupt method requires that the interrupt enable register (TWI_IER) be configured first.
1. Configure the master mode (DADR, CKDIV, etc.).
2. Write the MREAD bit in the TWI_MMR register at the value of the one-bit command to
3. Start the transfer by setting the QUICK bit in the TWI_CR.
be sent.
TXCOMP
Write QUICK command in TWI_CR
TXRDY
388,
TWD
Figure 31-19 on page 389
S
DADR
Figure 31-16 on page
R/W
and
A
Figure 31-20 on page 390
P
386,
Figure 31-17 on page
6462A–ATARM–03-Jun-09
give examples for
387,
Figure