STM32W108CBU6 STMICROELECTRONICS [STMicroelectronics], STM32W108CBU6 Datasheet - Page 37

• Manufacturer Part Number: STM32W108CBU6
• Description: High-performance, IEEE 802.15.4 wireless system-on-chip
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

STM32W108CB, STM32W108HB
5.2.4
31
15
r
r
30
14
r
r
Table 2
Table 2.
Reset register
Reset event source register (RESET_EVENT)
Address offset: 0x4000 002C
Reset value: 0x0000 0001
POR HV
POR LV (in deep sleep)
POR LV (not in deep
sleep)
RSTB
Watchdog reset
Software reset
Option byte error
Normal deep sleep
Emulated deep sleep
Debug reset
29
13
r
r
7 CPU_LOCKUP: When set to ‘1’, the reset is due to core lockup.
6 OPT_BYTE_FAIL: When set to ‘1’, the reset is due to an Option byte load failure (may be set
5 WAKE_UP_DSLEEP: When set to ‘1’, the reset is due to a wake-up from Deep Sleep.
4 SW_RST: When set to ‘1’, the reset is due to a software reset.
3 W_DOG: When set to ‘1’, the reset is due to watchdog expiration.
with other bits).
Reset Source
shows which reset sources generate certain resets.
28
12
r
r
Generated resets
27
11
r
r
26
10
r
r
PORESET
25
9
r
r
Doc ID 16252 Rev 2
X
X
X
X
X
X
24
8
r
r
CPU_L
SYSRESET
OCKU
23
P
7
r
r
X
X
X
X
X
X
X
X
X
X
OPT_B
YTE_F
AIL
22
6
r
r
Reset Generation
WAKE_
UP_DS
DAPRESET
LEEP
21
5
r
r
X
X
X
X
SW_R
ST
20
4
r
r
PRESETHV
W_DO
19
G
3
r
r
X
X
X
X
X
RSTB_
System modules
PIN
18
2
r
r
POWE
PRESETLV
R_LV
17
1
r
r
X
X
X
X
X
X
X
X
X
37/179
POWE
R_HV
16
0
r
r