参数资料
型号: MC68HC05V12CFNR2
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQCC68
封装: PLASTIC, LCC-68
文件页数: 116/135页
文件大小: 2080K
代理商: MC68HC05V12CFNR2
81
XMEGA B3 [DATASHEET]
8074D–AVR–08/2013
36.10 Brownout Detection Characteristics
Table 36-15. Brownout Detection Characteristics
Note:
1.
BOD is calibrated at 85°C within BOD level 0 values, and BOD level 0 is the default level.
36.11 External Reset Characteristics
Table 36-16. External reset characteristics.
36.12 Power-on Reset Characteristics
Table 36-17. Power-on reset characteristics.
Note:
1.
Both V
POT- values are only valid when BOD is disabled. When BOD is enabled the BOD is enabled, and VPOT- =VPOT+
Symbol
Parameter
Condition
Min
Typ
Max
Units
BOD level 0 falling Vcc
T = 85
C, calibrated
1.5
1.6
1.72
V
BOD level 1 falling Vcc
1.8
BOD level 2 falling Vcc
2.0
BOD level 3 falling Vcc
2.2
BOD level 4 falling Vcc
2.4
BOD level 5 falling Vcc
2.6
BOD level 6 falling Vcc
2.8
BOD level 7 falling Vcc
3.0
tBOD
Detection time
Continuous mode
0.4
s
Sampled mode
1000
VHYST
Hysteresis
1.6
%
Symbol
Parameter
Condition
Min
Typ
Max
Units
t
EXT
Minimum reset pulse width
90
1000
ns
V
RST
Reset threshold voltage
V
CC = 2.7 - 3.6V
0.50*V
CC
V
VCC = 1.6 - 2.7V
0.40*VCC
Symbol
Parameter
Condition
Min
Typ
Max
Units
V
POT-
POR threshold voltage falling V
CC
VCC falls faster than 1V/ms
0.4
1.0
V
CC falls at 1V/ms or slower
0.8
1.3
V
POT+
POR threshold voltage rising V
CC
1.3
1.59
V
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