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AT90PWM2 Datasheet(PDF) 45 Page - ATMEL Corporation

Part # AT90PWM2
Description  8-bit Microcontroller with 8K Bytes In-System Programmable Flash
PDF  365 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT90PWM2 Datasheet(HTML) 45 Page - ATMEL Corporation

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AT90PWM2/3
4317B–AVR–02/05
Figure 17. 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)
MCU Status
Register (MCUSR)
Brown-out
Reset Circuit
BODLEVEL [2..0]
Delay Counters
CKSEL[3:0]
CK
TIMEOUT
DATA BUS
Clock
Generator
Spike
Filter
Pull-up Resistor
Watchdog
Oscillator
SUT[1:0]
Power-on Reset
Circuit
Table 14. Reset Characteristics(1)
Symbol Parameter
Condition
Min.
(TBD)
Typ.
(TBD)
Max.
(TBD)Units
VPOT
Power-on Reset Threshold Voltage (rising)
TBD
TBD
V
Power-on Reset Threshold Voltage (falling)
(2)
TBD
TBD
V
VRST
RESET Pin Threshold Voltage
TBD
TBD
V
tRST
Minimum pulse width on RESET Pin
TBD
ns



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