AT32UC3L064_1 ATMEL [ATMEL Corporation], AT32UC3L064_1 Datasheet - Page 161

• Manufacturer Part Number: AT32UC3L064_1
• Description: AVR32 32-bit Microcontroller
• Manufacturer: ATMEL [ATMEL Corporation]

32099A–AVR32–06/09
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.
When a Reset occurs, some parts of the chip are not necessarily reset, depending on the reset
source. Only the Power On Reset (POR) will force a reset of the whole chip.
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
JTAG
Reset Description
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
CPU, HSB, PBx
OCD, AST, WDT,
Clock Generator
AT32UC3L
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