AT91SAM9G10-EK Atmel, AT91SAM9G10-EK Datasheet - Page 388

• 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 31-18. TWI Read Operation with Single Data Byte without Internal Address
388
AT91SAM9G10
(CLDIV, CHDIV, CKDIV) in TWI_CWGR
Read Receive Holding Register
Set the Master Mode register:
TWI_CR = MSEN + SVDIS
TWI_CR = START | STOP
Read ==> bit MREAD = 1
Set the Control register:
- Device slave address
- Transfer direction bit
Read Status register
Read status register
(Needed only once)
Start the transfer
- Master enable
Yes
TXCOMP = 1?
Yes
Set TWI clock
RXRDY = 1?
BEGIN
END
No
No
6462A–ATARM–03-Jun-09