Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Hoja De Datos
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AT91SAM9N12-EK
813
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]
11063K–ATARM–05-Nov-13
40.8.6 USART Interrupt Enable Register (SPI_MODE)
Name:
US_IER (SPI_MODE)
Addresses:
0xF801C008 (0), 0xF8020008 (1), 0xF8024008 (2), 0xF8028008 (3)
Access:
Write-only
This configuration is relevant only if USART_MODE = 0xE or 0xF in
.
The following configuration values are valid for all listed bit names of this register:
0: No effect.
1: Enables the corresponding interrupt.
• RXRDY: RXRDY Interrupt Enable
• TXRDY: TXRDY Interrupt Enable
• OVRE: Overrun Error Interrupt Enable
• TXEMPTY: TXEMPTY Interrupt Enable
• UNRE: SPI Underrun Error Interrupt Enable
31
30
29
28
27
26
25
24
–
–
–
–
–
–
–
–
23
22
21
20
19
18
17
16
–
–
–
–
–
–
–
–
15
14
13
12
11
10
9
8
–
–
–
–
–
UNRE
TXEMPTY
–
7
6
5
4
3
2
1
0
–
–
OVRE
–
–
–
TXRDY
RXRDY