Data Sheet
NUC123
May 3, 2017 Page 32 of 99 Rev.2.04
NUC123 SERIES DATASHEET
WDT_S
(CLKSEL1[1:0])
0x3
0x3
-
-
-
-
-
-
XTL12M_STB
(CLKSTATUS[0])
0x0
-
-
-
-
-
-
-
PLL_STB
(CLKSTATUS[2])
0x0
-
-
-
-
-
-
-
OSC10K_STB
(CLKSTATUS[3])
0x0
-
-
-
-
-
-
-
OSC22M_STB
(CLKSTATUS[4])
0x0
-
-
-
-
-
-
-
CLK_SW_FAIL
(CLKSTATUS[7])
0x0
0x0
0x0
0x0
0x0
0x0
0x0
-
WTE
(WTCR[7])
Reload from
CONFIG0
Reload
from
CONFIG0
Reload
from
CONFIG0
Reload
from
CONFIG0
Reload
from
CONFIG0
Reload from
CONFIG0
WTCR
0x0700
0x0700
0x0700
0x0700
0x0700
0x0700
-
-
WTCRALT
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
-
-
WWDTRLD
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
-
-
WWDTCR
0x3F0800
0x3F0800
0x3F0800
0x3F0800
0x3F0800
0x3F0800
-
-
WWDTSR
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
-
-
WWDTCVR
0x3F
0x3F
0x3F
0x3F
0x3F
0x3F
-
-
BS
(ISPCON[1])
Reload from
CONFIG0
Reload
from
CONFIG0
Reload
from
CONFIG0
Reload
from
CONFIG0
Reload
from
CONFIG0
Reload from
CONFIG0
-
-
DFBADR
Reload from
CONFIG1
Reload
from
CONFIG1
Reload
from
CONFIG1
Reload
from
CONFIG1
Reload
from
CONFIG1
Reload from
CONFIG1
-
-
CBS
(ISPSTA[2:1))
Reload from
CONFIG0
Reload
from
CONFIG0
Reload
from
CONFIG0
Reload
from
CONFIG0
Reload
from
CONFIG0
Reload from
CONFIG0
-
-
VECMAP
(ISPSTA[20:9])
(NUC123xxxAEx Only)
Reload
base on
CONFIG0
Reload
base on
CONFIG0
Reload
base on
CONFIG0
Reload
base on
CONFIG0
Reload
base on
CONFIG0
Reload base
on
CONFIG0
-
-
Other Peripheral
Registers
Reset Value
-
FMC Registers
Reset Value
Note: ‘-‘ means that the value of register keeps original setting.
Table 6-1 Reset Value of Registers
nRESET Reset 6.2.2.1
The nRESET reset means to generate a reset signal by pulling low nRESET pin, which is an
asynchronous reset input pin and can be used to reset system at any time. When the nRESET
voltage is lower than 0.2 V
DD
and the state keeps longer than 36 us (glitch filter), chip will be