AT32UC3L064-D3HES ATMEL [ATMEL Corporation], AT32UC3L064-D3HES Datasheet - Page 163
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AT32UC3L064-D3HES
Manufacturer Part Number
AT32UC3L064-D3HES
Description
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.AT32UC3L064-D3HES.pdf
(830 pages)
- Current page: 163 of 830
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32099D–06/2010
The device contains a Power-On Detector, which keeps the system reset until power is stable.
This eliminates the need for external reset circuitry to guarantee stable operation when powering
up the device.
It is also possible to reset the device by asserting the RESET_N pin. This pin has an internal
pull-up, and does not need to be driven externally when negated.
these and other reset sources supported by the Reset Controller.
Figure 13-3. Reset Controller Block Diagram
In addition to the listed reset types, the JTAG & AWIRE can keep parts of the device statically
reset. See JTAG and AWIRE documentation for details.
Table 13-5.
Reset source
Power-on Reset
External Reset
Brownout Reset
SM33 Reset
Watchdog Timer
OCD
RESET_N
Power-On
Brownout
Detector
Detector
Detector
SM33
Watchdog Reset
AWIRE
Reset Description
JTAG
OCD
Description
Supply voltage below the power-on reset detector threshold
voltage
RESET_N pin asserted
Supply voltage on VDDCORE below the brownout reset
detector threshold voltage
Supply voltage on VDDCORE below the brownout reset
detector threshold voltage
See watchdog timer documentation.
See On-Chip Debug documentation
RC_RCAUSE
Controller
Reset
AT32UC3L016/32/64
Table 13-5 on page 163
OCD, AST, WDT,
CPU, HSB, PBx
Clock Generator
lists
163
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