Spi interrupt enable register – Rainbow Electronics AT75C220 User Manual
Page 133
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AT75C220
133
SPI Interrupt Enable Register
Register Name:SP_IER
Access Type:Write-only
•
RDRF: Receive Data Register Full Interrupt Enable
0 = No effect.
1 = Enables the receiver data register full interrupt.
•
TDRE: SPI Transmit Data Register Empty Interrupt Enable
0 = No effect.
1 = Enables the transmit data register empty interrupt.
•
MODF: Mode Fault Error Interrupt Enable
0 = No effect.
1 = Enables the mode fault interrupt.
•
OVRES: Overrun Error Interrupt Enable
0 = No effect.
1 = Enables the overrun error interrupt.
31
30
29
28
27
26
25
24
–
–
–
–
–
–
–
–
23
22
21
20
19
18
17
16
–
–
–
–
–
–
–
–
15
14
13
12
11
10
9
8
–
–
–
–
–
–
–
–
7
6
5
4
3
2
1
0
–
–
–
–
OVRES
MODF
TDRE
RDRF
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