LM3S301 Luminary Micro, Inc, LM3S301 Datasheet - Page 282

• Manufacturer Part Number: LM3S301
• Description: Lm3s301 Arm Microcontroller
• Manufacturer: Luminary Micro, Inc

Synchronous Serial Interface (SSI)
282
Reset
Reset
Type
Type
SSI Raw Interrupt Status (SSIRIS)
Offset 0x018
Bit/Field
RO
RO
31
15
0
0
31:4
3
2
1
0
Register 7: SSI Raw Interrupt Status (SSIRIS), offset 0x018
The SSIRIS register is the raw interrupt status register. On a read, this register gives the current
raw status value of the corresponding interrupt prior to masking. A write has no effect.
RO
RO
30
14
0
0
reserved
RORRIS
RXRIS
RTRIS
TXRIS
Name
RO
RO
29
13
0
0
RO
RO
28
12
0
0
Type
RO
RO
27
11
0
0
RO
RO
RO
RO
RO
RO
RO
26
10
0
0
reserved
Reset
RO
RO
25
0
1
0
0
0
0
9
0
Preliminary
RO
RO
24
0
8
0
Description
Reserved bits return an indeterminate value, and should
never be changed.
Indicates that the transmit FIFO is half empty or more, when
set.
Indicates that the receive FIFO is half empty or more, when
set.
SSI Receive Time-Out Raw Interrupt Status
Indicates that the receive time-out has occurred, when set.
SSI Receive Overrun Raw Interrupt Status
Indicates that the receive FIFO has overflowed, when set.
SSI Transmit FIFO Raw Interrupt Status
SSI Receive FIFO Raw Interrupt Status
reserved
RO
RO
23
0
7
0
RO
RO
22
0
6
0
RO
RO
21
0
5
0
RO
RO
20
0
4
0
TXRIS
RO
RO
19
0
3
1
RXRIS
RO
RO
18
0
2
0
RTRIS
RO
RO
17
0
1
0
July 5, 2006
RORRIS
RO
RO
16
0
0
0