LM3S316 Luminary Micro, Inc., LM3S316 Datasheet - Page 296

• Manufacturer Part Number: LM3S316
• Description: Microcontroller
• Manufacturer: Luminary Micro, Inc.

Synchronous Serial Interface (SSI)
296
Reset
Reset
Type
Type
Bit/Field
SSI Raw Interrupt Status (SSIRIS)
Offset 0x018
31:4
3
2
1
0
RO
RO
31
15
0
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
TXRIS
RXRIS
RTRIS
Name
RO
RO
29
13
0
0
RO
RO
28
12
0
0
Type
RO
RO
27
11
RO
RO
RO
RO
RO
0
0
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.
SSI Transmit FIFO Raw Interrupt Status
Indicates that the transmit FIFO is half full or less, when set.
SSI Receive FIFO Raw Interrupt Status
Indicates that the receive FIFO is half full 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.
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
April 27, 2007
RO
RO
17
0
1
0
RORRIS
RO
RO
16
0
0
0