SAM3X8E Atmel Corporation, SAM3X8E Datasheet - Page 722

• Manufacturer Part Number: SAM3X8E
• Manufacturer: Atmel Corporation

722
722
SAM3X/A
SAM3X/A
Figure 33-15. TWI Write Operation with Single Data Byte without Internal Address
(CLDIV, CHDIV, CKDIV) in TWI_CWGR
- Device slave address (DADR)
Set the Master Mode register:
TWI_CR = MSEN + SVDIS
Write ==> bit MREAD = 0
TWI_THR = Data to send
Set the Control register:
Write STOP Command
Load Transmit register
- Transfer direction bit
Read Status register
Read Status register
(Needed only once)
TWI_CR = STOP
Transfer finished
- Master enable
TXCOMP = 1?
Set TWI clock
TXRDY = 1?
Yes
Yes
BEGIN
No
No
11057A–ATARM–17-Feb-12
11057A–ATARM–17-Feb-12