SN32F760 Series
32-Bit Cortex-M0 Micro-Controller
SONiX TECHNOLOGY CO., LTD
Page 55
Version 2.0
1001: SYSCLK / 512
Other: Reserved
3.3.6
System Reset Status register (SYS0_RSTST)
Address Offset: 0x14
This register contains the reset source except DPDWAKEUP reset, since the MODE bits in
presented this case.
Bit
Name
Description
Attribute
Reset
31:5
Reserved
R
0
4
PORRSTF
POR reset flag
Set by HW when a POR reset occurs.
0: Read
No POR reset occurred
Write
Clear this bit
1: POR reset occurred.
R/W
1
3
EXTRSTF
External reset flag
Set by HW when a reset from the RESET pin occurs.
0: Read
No reset from RESET pin occurred
Write
Clear this bit
1: Reset from RESET pin occurred.
R/W
0
2
LVDRSTF
LVD reset flag
Set by HW when a LVD reset occurs.
0: Read
No LVD reset occurred
Write
Clear this bit
1: LVD reset occurred.
R/W
0
1
WDTRSTF
WDT reset flag
Set by HW when a WDT reset occurs.
0: Read
No watchdog reset occurred
Write
Clear this bit
1: Watchdog reset occurred.
R/W
0
0
SWRSTF
Software reset flag
Set by HW when a software reset occurs.
0: Read
No software reset occurred
Write
Clear this bit
1: Software reset occurred.
R/W
1
3.3.7
LVD Control register (SYS0_LVDCTRL)
Address Offset: 0x18
The LVD control register selects four separate threshold values for generating a LVD interrupt to the NVIC or LVD
reset.
Bit
Name
Description
Attribute
Reset
31:16
Reserved
R
0
15
LVDEN
LVD enable
0: Disable
1: Enable
R/W
0
14
LVDRSTEN
LVD Reset enable
0: Disable
1: Enable
R/W
0
13:7
Reserved
R
0
6:4
LVDINTLVL[2:0]
LVD interrupt level
000: 1.80V
001: 2.00V
R/W
0