Datasheet

816
SAM9G15 [DATASHEET]
11052D–ATARM–31-Oct-12
39.8.2 USART Control Register (SPI_MODE)
Name: US_CR (SPI_MODE)
Address: 0xF801C000 (0), 0xF8020000 (1), 0xF8024000 (2), 0xF8028000 (3)
Access: Write-only
This configuration is relevant only if USART_MODE=0xE or 0xF in “USART Mode Register” on page 818.
• RSTRX: Reset Receiver
0: No effect.
1: Resets the receiver.
• RSTTX: Reset Transmitter
0: No effect.
1: Resets the transmitter.
• RXEN: Receiver Enable
0: No effect.
1: Enables the receiver, if RXDIS is 0.
• RXDIS: Receiver Disable
0: No effect.
1: Disables the receiver.
• TXEN: Transmitter Enable
0: No effect.
1: Enables the transmitter if TXDIS is 0.
• TXDIS: Transmitter Disable
0: No effect.
1: Disables the transmitter.
• RSTSTA: Reset Status Bits
0: No effect.
1: Resets the status bits OVRE, UNRE in US_CSR.
31 30 29 28 27 26 25 24
––––––––
23 22 21 20 19 18 17 16
––––RCSFCS––
15 14 13 12 11 10 9 8
–––––––RSTSTA
76543210
TXDIS TXEN RXDIS RXEN RSTTX RSTRX – –