LM3S2965-IQC20-A0T Luminary Micro, Inc., LM3S2965-IQC20-A0T Datasheet - Page 280

• Manufacturer Part Number: LM3S2965-IQC20-A0T
• Description: Microcontroller
• Manufacturer: Luminary Micro, Inc.

Analog-to-Digital Converter (ADC)
ADC Sample Sequence FIFO 0 Status (ADCSSFSTAT0)
Base 0x4003.8000
Offset 0x04C
Type RO, reset 0x0000.0100
280
Reset
Reset
Type
Type
Bit/Field
31:13
11:9
7:4
3:0
12
8
RO
RO
31
15
0
0
Register 16: ADC Sample Sequence FIFO 0 Status (ADCSSFSTAT0), offset
0x04C
Register 17: ADC Sample Sequence FIFO 1 Status (ADCSSFSTAT1), offset
0x06C
Register 18: ADC Sample Sequence FIFO 2 Status (ADCSSFSTAT2), offset
0x08C
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, and
ADCSSFSTAT2 on FIFO2.
reserved
RO
RO
30
14
0
0
reserved
reserved
EMPTY
Name
HPTR
TPTR
FULL
RO
RO
29
13
0
0
FULL
RO
RO
28
12
0
0
RO
RO
Type
27
11
0
0
RO
RO
RO
RO
RO
RO
reserved
RO
RO
26
10
0
0
Reset
0
0
0
1
0
0
RO
RO
25
0
9
0
Preliminary
EMPTY
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.
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.
When set, indicates that the FIFO is currently empty.
This field contains the current "head" pointer index for the FIFO, that is,
the next entry to be written.
This field contains the current "tail" pointer index for the FIFO, that is,
the next entry to be read.
RO
RO
24
0
8
1
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
June 04, 2007
RO
RO
17
0
1
0
RO
RO
16
0
0
0