Datasheet

 2017 Microchip Technology Inc. DS60001516A-page 333
SAM9G20
27.5.1 Debug Unit Control Register
Name:DBGU_CR
Access:Write-only
RSTRX: Reset Receiver
0: No effect.
1: The receiver logic is reset and disabled. If a character is being received, the reception is aborted.
RSTTX: Reset Transmitter
0: No effect.
1: The transmitter logic is reset and disabled. If a character is being transmitted, the transmission is aborted.
RXEN: Receiver Enable
0: No effect.
1: The receiver is enabled if RXDIS is 0.
RXDIS: Receiver Disable
0: No effect.
1: The receiver is disabled. If a character is being processed and RSTRX is not set, the character is completed before the receiver is
stopped.
TXEN: Transmitter Enable
0: No effect.
1: The transmitter is enabled if TXDIS is 0.
TXDIS: Transmitter Disable
0: No effect.
1: The transmitter is disabled. If a character is being processed and a character has been written the DBGU_THR and RSTTX is not set,
both characters are completed before the transmitter is stopped.
RSTSTA: Reset Status Bits
0: No effect.
1: Resets the status bits PARE, FRAME and OVRE in the DBGU_SR.
31 30 29 28 27 26 25 24
––––––––
23 22 21 20 19 18 17 16
––––––––
15 14 13 12 11 10 9 8
–––––––RSTSTA
76543210
TXDIS TXEN RXDIS RXEN RSTTX RSTRX – –