Texas Instruments SimpleLink CC2620 Technical Reference Manual page 1298

AUX – Sensor Controller Registers
17.7.7.3 PWRDWNREQ Register (Offset = 8h) [reset = 0h]
PWRDWNREQ is shown in
Power Down Request
Request from AUX for system to enter power down. When system is in power down there is limited
current supply available and the clock source is set by AON_WUC:AUXCLK.PWR_DWN_SRC.
31 30 29 28
15 14 13 12
Bit Field
31-1 RESERVED
0 REQ
1298
AUX – Sensor Controller with Digital and Analog Peripherals
Figure 17-64 and described in
Figure 17-64. PWRDWNREQ Register
27 26 25 24
RESERVED
R-0h
11 10 9 8
RESERVED
R-0h
Table 17-89. PWRDWNREQ Register Field Descriptions
Type Reset
R 0h
R/W 0h
Copyright © 2015, Texas Instruments Incorporated
Table 17-89.
23 22 21 20
7 6 5 4
Description
Software must not rely on the value of a reserved. Writing any other
value than the reset value may result in undefined behavior.
Power down request
0: Request for system to be in active mode
1: Request for system to be in power down mode
When REQ is 1 one shall assume that the system is in power down,
and that current supply is limited. When setting REQ = 0, one shall
assume that the system is in power down until PWRDWNACK.ACK
= 0.
SWCU117C – February 2015 – Revised September 2015
www.ti.com
19 18 17 16
3 2 1 0
REQ
R/W-
0h
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