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NUC120-LB1C Datasheet(Fiches technique) 46 Page - Nuvoton Technology Corporation

Numéro de pièce NUC120-LB1C
Description  ARM® Cortex®-M 32-bit Microcontroller
Télécharger  107 Pages
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Fabricant  NUVOTON [Nuvoton Technology Corporation]
Site Internet  http://www.nuvoton.com
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 46 page
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NUC100/120xxxDN
Aug 31, 2015
Page 46 of 107
Rev 1.01
Low Voltage
Reset
Power-on
Reset
Brown-out
Reset
Reset Pulse Width
3.2ms
WDT/WWDT
Reset
~50k ohm
@5v
Reset Pulse Width
2 system clocks
nRESET
VDD
AVDD
CHIP Reset
CHIP_RST(IPRSTC1[0])
CPU Reset
CPU_RST(IPRSTC1[1])
MCU Reset
SYSRESETREQ(AIRCR[2])
BOD_RSTEN(BODCR[3])
Reset Pulse Width
64 WDT clocks
Glitch Filter
36 us
Software Reset
LVR_EN(BODCR[7])
POR_DIS_CODE(PORCR[15:0])
System Reset
Figure 6-2 System Reset Resources
There are a total of 8 reset sources in the NuMicro
® family. In general, CPU reset is used to reset
Cortex
® -M0 only; the other reset sources will reset Cortex® -M0 and all peripherals. However,
there are small differences between each reset source and they are listed in Table 6-1.
Reset Sources
Register
POR
nRESET
WDT
LVR
BOD
CHIP
MCU
CPU
RSTSRC
Bit 0 = 1
Bit 1 = 1
Bit 2 = 1
Bit 3 = 1
Bit 4 = 1
Bit 0 = 1
Bit 5 = 1
Bit 7 = 1
CHIP_RST
(IPRSTC1[0])
0x0
-
-
-
-
-
-
-
BOD_EN
(BODCR[0])
Reload
from
CONFIG0
Reload
from
CONFIG0
Reload
from
CONFIG0
Reload
from
CONFIG0
-
Reload
from
CONFIG0
Reload
from
CONFIG0
-
BOD_VL
(BODCR[2:1])
BOD_RSTEN
(BODCR[3])
XTL12M_EN
(PWRCON[0])
Reload
from
CONFIG0
Reload
from
CONFIG0
Reload
from
CONFIG0
Reload
from
CONFIG0
Reload
from
CONFIG0
Reload
from
CONFIG0
Reload
from
CONFIG0
-
WDT_EN
(APBCLK[0])
0x1
-
0x1
-
-
0x1
-
-
HCLK_S
(CLKSEL0[2:0])
Reload
from
CONFIG0
Reload
from
CONFIG0
Reload
from
CONFIG0
Reload
from
CONFIG0
Reload
from
CONFIG0
Reload
from
CONFIG0
Reload
from
CONFIG0
-
WDT_S
0x3
0x3
-
-
-
-
-
-




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