Atmel SAM4L-EK Atmel ATSAM4L-EK ATSAM4L-EK Data Sheet

42023E–SAM–07/2013

1: The transfer in CMDR should commence with a START or REPEATED START condition. If the bus is free when the command 

is executed, a START condition is used. If the bus is busy, a REPEATED START is used.

Only used in 10-bit addressing mode, always write to 0 in 7-bit addressing mode. 

Write this bit to one if the command in CMDR performs a repeated start to the same slave address as addressed in the previous 

transfer in order to enter master receiver mode. 

Write this bit to zero otherwise.

0: Use 7-bit addressing mode.

1: Use 10-bit addressing mode. Must not be used when the TWIM is in SMBus mode.

Address of the slave involved in the transfer. Bits 9-7 are don’t care if 7-bit addressing is used.

0: Allow the master to transmit data.

1: Allow the master to receive data.