Texas Instruments SimpleLink CC2620 Technical Reference Manual page 1318

AUX – Sensor Controller Registers
17.7.8.2 ADCFIFOSTAT Register (Offset = 14h) [reset = 1h]
ADCFIFOSTAT is shown in
ADC FIFO Status
FIFO can hold up to four ADC samples
31 30
23 22
15 14
7 6
RESERVED
R-0h
Bit Field
31-5 RESERVED
4 OVERFLOW
3 UNDERFLOW
2 FULL
1 ALMOST_FULL
0 EMPTY
1318
AUX – Sensor Controller with Digital and Analog Peripherals
Figure 17-82 and described in
Figure 17-82. ADCFIFOSTAT Register
29 28
RESERVED
R-0h
21 20
RESERVED
R-0h
13 12
RESERVED
R-0h
5 4
OVERFLOW
R-0h
Table 17-108. ADCFIFOSTAT Register Field Descriptions
Type Reset
R 0h
R 0h
R 0h
R 0h
R 0h
R 1h
Copyright © 2015, Texas Instruments Incorporated
Table 17-108.
27 26
19 18
11 10
3 2
UNDERFLOW FULL
R-0h R-0h
Description
Software should not rely on the value of a reserved. Writing any
other value than the reset value may result in undefined behavior.
FIFO overflow flag.
0: FIFO has not overflowed.
1: FIFO has overflowed, this flag is sticky until FIFO is flushed.
FIFO underflow flag.
0: FIFO has not underflowed
1: FIFO has underflowed, this flag is sticky until the FIFO is flushed
FIFO full flag.
0: FIFO is not full, i.e. there is less than 4 samples in the FIFO.
1: FIFO is full, i.e. there are 4 samples in the FIFO
FIFO almost full flag.
0: There is less than 3 samples in the FIFO, or the FIFO is full in
which case the FULL flag is asserted
1: There are 3 samples in the FIFO, i.e. there is room for one more
sample
FIFO empty flag.
0: FIFO contains one or more samples
1: FIFO is empty
SWCU117C – February 2015 – Revised September 2015
www.ti.com
25 24
17 16
9 8
1 0
ALMOST_FULL EMPTY
R-0h R-1h
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