Texas Instruments CC2650DK ユーザーズマニュアル
AUX – Sensor Controller Registers
17.8.6.9 AUTOTAKE Register (Offset = 20h) [reset = X]
AUTOTAKE is shown in
and described in
.
Sticky Request For Single Semaphore
Figure 17-64. AUTOTAKE Register
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
RESERVED
R-X
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
RESERVED
SMPH_ID
R-X
R/W-X
Table 17-87. AUTOTAKE Register Field Descriptions
Bit
Field
Type
Reset
Description
31-3
RESERVED
R
X
Software should not rely on the value of a reserved. Writing any
other value than the reset value may result in undefined behavior.
other value than the reset value may result in undefined behavior.
2-0
SMPH_ID
R/W
X
Requesting a certain semaphore is done by writing the
corresponding semaphore ID, 0x0-0x7, to SMPH_ID. The request is
sticky and once the semaphore becomes available it will be taken. At
the same time, SMPH_AUTOTAKE_DONE event is asserted. This
event is deasserted when SW releases the semaphore or a new ID
is written to SMPH_ID. Note: SW must wait until
SMPH_AUTOTAKE_DONE event is triggered before writing a new
ID to SMPH_ID . Failing to do so might lead to permanently lost
semaphores as the owners may be unknown
corresponding semaphore ID, 0x0-0x7, to SMPH_ID. The request is
sticky and once the semaphore becomes available it will be taken. At
the same time, SMPH_AUTOTAKE_DONE event is asserted. This
event is deasserted when SW releases the semaphore or a new ID
is written to SMPH_ID. Note: SW must wait until
SMPH_AUTOTAKE_DONE event is triggered before writing a new
ID to SMPH_ID . Failing to do so might lead to permanently lost
semaphores as the owners may be unknown
1291
SWCU117A – February 2015 – Revised March 2015
AUX – Sensor Controller with Digital and Analog Peripherals
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