參數資料
型號: MR80C52XXX-20/883D
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 20 MHz, MICROCONTROLLER, CQCC44
封裝: LCC-44
文件頁數: 14/126頁
文件大?。?/td> 22337K
代理商: MR80C52XXX-20/883D
110
XMEGA C3 [DATASHEET]
8492F–AVR–07/2013
33.3.8 Bandgap and Internal 1.0V Reference Characteristics
Table 33-71. Bandgap and Internal 1.0V reference characteristics.
33.3.9 Brownout Detection Characteristics
Table 33-72. Brownout detection characteristics(1).
Note:
1.
BOD is calibrated at 85°C within BOD level 0 values, and BOD level 0 is the default level.
33.3.10 External Reset Characteristics
Table 33-73. External reset characteristics.
Symbol
Parameter
Condition
Min.
Typ.
Max.
Units
Startup time
As reference for ADC
1 Clk
PER + 2.5s
s
As input voltage to ADC and AC
1.5
Bandgap voltage
1.1
V
INT1V
Internal 1.00V reference
T= 85°C, after calibration
0.99
1.0
1.01
Variation over voltage and temperature
Calibrated at T= 85°C
1
%
Symbol
Parameter
Condition
Min.
Typ.
Max.
Units
V
BOT
BOD level 0 falling VCC
1.40
1.60
1.70
V
BOD level 1 falling VCC
1.8
BOD level 2 falling V
CC
2.0
BOD level 3 falling VCC
2.2
BOD level 4 falling VCC
2.4
BOD level 5 falling V
CC
2.6
BOD level 6 falling V
CC
2.8
BOD level 7 falling VCC
3.0
tBOD
Detection time
Continuous mode
0.4
s
Sampled mode
1000
VHYST
Hysteresis
1.0
%
Symbol
Parameter
Condition
Min.
Typ.
Max.
Units
t
EXT
Minimum reset pulse width
1000
100
ns
VRST
Reset threshold voltage
V
CC = 2.7 - 3.6V
0.45*V
CC
V
VCC = 1.6 - 2.7V
0.45*VCC
RRST
Reset pin Pull-up Resistor
27
k
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