參數(shù)資料
型號: XE8000EV108
廠商: Semtech
文件頁數(shù): 74/143頁
文件大小: 0K
描述: EVAL BOARD FOR XE8806/XE8807
標(biāo)準(zhǔn)包裝: 1
類型: MCU
適用于相關(guān)產(chǎn)品: XE88LC06AMI026
所含物品: 完全組裝的評估板
產(chǎn)品目錄頁面: 585 (CN2011-ZH PDF)
Semtech 2006
www.semtech.com
6-3
XE8806A/XE8807A
Pos.
RegSysCtrl
Rw
Reset
Function
7
SleepEn
r w
0 nresetcold
enables Sleep mode
0: sleep mode is disabled
1: sleep mode is enabled
6
EnResetPConf
r w
0 nresetcold
enables the nresetpconf signal when the
nresetglobal is active
0: nresetpconf is disabled
1: nresetpconf is enabled
5
EnBusError
r w
0 nresetcold
enables reset from BusError
0: BusError reset source is disabled
1: BusError reset source is enabled
4
EnResetWD
r w
0 nresetcold
enables reset from Watchdog
0: Watchdog reset source is disabled
1: Watchdog reset source is enabled
this bit can not be set to 0 by SW
3 – 0
-
r
0000
unused
Table 6-2. RegSysCtrl register.
Pos.
RegSysReset
Rw
Reset
Function
7
Sleep
rw
0 nresetglobal
Sleep mode control (reads always 0)
6
SleepFlag
r c
0 nresetcold
Sleep mode was active before
5
ResetBusError
r c
0 nresetcold
reset source was BusError
4
ResetWD
r c
0 nresetcold
reset source was Watchdog
3
ResetfromportA
r c
0 nresetcold
reset source was Port A combination
2 – 0
r
000
unused
Table 6-3. RegSysReset register
Pos.
RegSysWd
Rw
Reset
Function
7 - 4
-
r
0000
unused
WDKey[3]
w
Watchdog Key bit 3
3
WDCounter[3]
r
0 nresetglobal
Watchdog counter bit 3
WDKey[2]
w
Watchdog Key bit 2
2
WDCounter[2]
r
0 nresetglobal
Watchdog counter bit 2
WDKey[1]
w
Watchdog Key bit 1
1
WDCounter[1]
r
0 nresetglobal
Watchdog counter bit 1
WDKey[0]
w
Watchdog Key bit 0
0
WDCounter[0]
r
0 nresetglobal
Watchdog counter bit 0
Table 6-4. RegSysWd register
6.4
Reset handling capabilities
There are 5 reset sources:
Power On Reset (POR)
External reset from the NRESET pin
Programmable port A input combination
Programmable watchdog timer reset
Programmable BusError reset on processor access outside the allocated memory map
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