atmega32u4-16mu ATMEL Corporation, atmega32u4-16mu Datasheet - Page 51
atmega32u4-16mu
Manufacturer Part Number
atmega32u4-16mu
Description
Atmega32u4 8-bit Avr Microcontroller With 32k Bytes Of Isp Flash And Usb Controller
Manufacturer
ATMEL Corporation
Datasheet
1.ATMEGA32U4-16MU.pdf
(431 pages)
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8.0.6
8.0.7
7766A–AVR–03/08
Watchdog Reset
USB Reset
Figure 8-5.
When the Watchdog times out, it will generate a short reset pulse of one CK cycle duration. On
the falling edge of this pulse, the delay timer starts counting the Time-out period t
page 53
Figure 8-6.
When the USB controller is enabled and configured with the USB Reset CPU feature enabled
and if a valid USB Reset signalling is detected on the bus, the microcontroller is reset unless the
USB controller that remains enabled and attached. That feature may be used to enhance device
reliability.
for details on operation of the Watchdog Timer.
CC
Brown-out Reset During Operation
Watchdog Reset During Operation
INTERNAL
TIME-OUT
RESET
RESET
V
CC
V
CK
BOT-
V
t
TOUT
BOT+
ATmega32U4
TOUT
. Refer to
51
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