LM3S1937-IBZ50 Luminary Micro, Inc, LM3S1937-IBZ50 Datasheet - Page 290

• Manufacturer Part Number: LM3S1937-IBZ50
• Description: Lm3s1937 Arm Microcontroller
• Manufacturer: Luminary Micro, Inc

Reset
Reset
Type
Type
Analog-to-Digital Converter (ADC)
ADC Sample Sequence FIFO 0 Status (ADCSSFSTAT0)
Base 0x4003.8000
Offset 0x04C
Type RO, reset 0x0000.0100
290
Bit/Field
31:13
11:9
7:4
3:0
12
8
RO
RO
31
15
0
0
reserved
Register 17: ADC Sample Sequence FIFO 0 Status (ADCSSFSTAT0), offset
0x04C
Register 18: ADC Sample Sequence FIFO 1 Status (ADCSSFSTAT1), offset
0x06C
Register 19: ADC Sample Sequence FIFO 2 Status (ADCSSFSTAT2), offset
0x08C
Register 20: ADC Sample Sequence FIFO 3 Status (ADCSSFSTAT3), offset
0x0AC
This register provides a window into the Sample Sequencer, providing full/empty status information
as well as the positions of the head and tail pointers. The reset value of 0x100 indicates an empty
FIFO. The ADCSSFSTAT0 register provides status on FIF0, ADCSSFSTAT1 on FIFO1,
ADCSSFSTAT2 on FIFO2, and ADCSSFSTAT3 on FIFO3.
RO
RO
30
14
0
0
reserved
reserved
RO
RO
EMPTY
29
13
0
0
Name
HPTR
TPTR
FULL
FULL
RO
RO
28
12
0
0
RO
RO
27
11
0
0
Type
RO
RO
RO
RO
RO
RO
reserved
RO
RO
26
10
0
0
Reset
0x00
0x00
0x00
0x00
RO
RO
25
0
9
0
0
1
Preliminary
EMPTY
RO
RO
24
0
8
1
Description
Software should not rely on the value of a reserved bit. To provide
compatibility with future products, the value of a reserved bit should be
preserved across a read-modify-write operation.
FIFO Full
When set, indicates that the FIFO is currently full.
Software should not rely on the value of a reserved bit. To provide
compatibility with future products, the value of a reserved bit should be
preserved across a read-modify-write operation.
FIFO Empty
When set, indicates that the FIFO is currently empty.
FIFO Head Pointer
This field contains the current "head" pointer index for the FIFO, that is,
the next entry to be written.
FIFO Tail Pointer
This field contains the current "tail" pointer index for the FIFO, that is,
the next entry to be read.
reserved
RO
RO
23
0
7
0
RO
RO
22
0
6
0
HPTR
RO
RO
21
0
5
0
RO
RO
20
0
4
0
RO
RO
19
0
3
0
RO
RO
18
0
2
0
TPTR
July 25, 2008
RO
RO
17
0
1
0
RO
RO
16
0
0
0