參數(shù)資料
型號(hào): MQ80C52XXX-36/883
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 36 MHz, MICROCONTROLLER, CQFP44
封裝: CERAMIC, QFP-44
文件頁數(shù): 126/152頁
文件大?。?/td> 2528K
代理商: MQ80C52XXX-36/883
37
ATmega8535(L)
2502K–AVR–10/06
Figure 15. Reset Logic
Notes:
1. Values are guidelines only.
2. The Power-on Reset will not work unless the supply voltage has been below VPOT
(falling).
Table 15. Reset Characteristics
Symbol
Parameter
Condition
Typ
Max
Units
VPOT
Power-on Reset Threshold
Voltage (rising)
1.4
2.3
V
Power-on Reset Threshold
Voltage (falling)(2)
1.3
2.3
V
VRST
RESET Pin Threshold
Voltage
0.2
0.9
V
tRST
Minimum pulse width on
RESET Pin
1.5
s
VBOT
Brown-out Reset Threshold
Voltage(3)
BODLEVEL = 1
2.5
2.7
2.9
V
BODLEVEL = 0
3.6
4.0
4.2
tBOD
Minimum low voltage period
for Brown-out Detection
BODLEVEL = 1
2
s
BODLEVEL = 0
2
s
V
HYST
Brown-out Detector
hysteresis
130
mV
MCU Control and Status
Register (MCUCSR)
Brown-out
Reset Circuit
BODEN
BODLEVEL
Delay Counters
CKSEL[3:0]
CK
TIMEOUT
WDRF
BORF
EXTRF
PORF
DATA BUS
Clock
Generator
Spike
Filter
Pull-up Resistor
Watchdog
Oscillator
SUT[1:0]
Power-on
Reset Circuit
Watchdog
Timer
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