Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Data Sheet

Product codes

AT91SAM9N12-EK

804

SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]

11063K–ATARM–05-Nov-13

• STTBRK: Start Break

0: No effect.

1: Starts transmission of a break after the characters present in US_THR and the Transmit Shift Register have been transmitted.
No effect if a break is already being transmitted.

• STPBRK: Stop Break

0: No effect.

1: Stops transmission of the break after a minimum of one character length and transmits a high level during 12-bit periods. No
effect if no break is being transmitted.

• STTTO: Start Time-out

0: No effect.

1: Starts waiting for a character before clocking the time-out counter. Resets the status bit TIMEOUT in US_CSR.

• SENDA: Send Address

0: No effect.

1: In Multidrop Mode only, the next character written to the US_THR is sent with the address bit set.

• RSTIT: Reset Iterations

0: No effect.

1: Resets ITERATION in US_CSR. No effect if the ISO7816 is not enabled.

• RSTNACK: Reset Non Acknowledge

0: No effect

1: Resets NACK in US_CSR.

• RETTO: Rearm Time-out

0: No effect

1: Restart Time-out

• RTSEN: Request to Send Enable

0: No effect.

1: Drives the pin RTS to 0.

• RTSDIS: Request to Send Disable

0: No effect.

1: Drives the pin RTS to 1.

• LINABT: Abort LIN Transmission

0: No effect.

1: Abort the current LIN transmission.

• LINWKUP: Send LIN Wakeup Signal

0: No effect:

1: Sends a wakeup signal on the LIN bus.