ATEVK1105 Atmel, ATEVK1105 Datasheet - Page 65
ATEVK1105
Manufacturer Part Number
ATEVK1105
Description
KIT EVAL FOR AT32UC3A0
Manufacturer
Atmel
Series
AVR®32r
Type
MCUr
Datasheets
1.ATAVRONE-PROBECBL.pdf
(16 pages)
2.ATEVK1104.pdf
(826 pages)
3.ATEVK1105.pdf
(28 pages)
Specifications of ATEVK1105
Contents
Evaluation Board, Software and Documentation
Processor To Be Evaluated
AT32UC3A0512
Processor Series
AVR
Data Bus Width
32 bit
Interface Type
USART, TWI, USB, SPI, Ethernet
Operating Supply Voltage
3.3 V
Silicon Manufacturer
Atmel
Core Architecture
AVR
Core Sub-architecture
AVR UC3
Silicon Core Number
AT32UC3A0512
Silicon Family Name
AVR
Kit Contents
Board CD Docs
Rohs Compliant
Yes
For Use With/related Products
AT32UC3A0
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- Current page: 65 of 826
- Download datasheet (20Mb)
Table 13-4.
13.5.11.1
13.5.11.2
32058J–AVR32–04/11
CPU/HSB/PBA/PBB
(excluding Power Manager)
32 KHz oscillator
RTC control register
Voltage Calibration register
RC Oscillator Calibration register
BOD control register
Bandgap control register
Clock control registers
Osc0/Osc1 and control registers
PLL0/PLL1 and control registers
OCD system and OCD registers
GPLP registers
Watchdog control register
Power-On Detector
Brown-Out Detector
Effect of the different reset events
Table 13-4
The cause of the last reset can be read from the RCAUSE register. This register contains one bit
for each reset source, and can be read during the boot sequence of an application to determine
the proper action to be taken.
The Power-On Detector monitors the VDDCORE supply pin and generates a reset when the
device is powered on. The reset is active until the supply voltage from the linear regulator is
above the power-on threshold level. The reset will be re-activated if the voltage drops below the
power-on threshold level. See Electrical Characteristics for parametric details.
The Brown-Out Detector (BOD) monitors the VDDCORE supply pin and compares the supply
voltage to the brown-out detection level, as set in BOD:LEVEL. The BOD is disabled by default,
but can be enabled either by software or by flash fuses. The Brown-Out Detector can either gen-
erate an interrupt or a reset when the supply voltage is below the brown-out detection level. In
any case, the BOD output is available in bit POSCR:BODET bit.
Note that any change to the BOD:LEVEL field of the BOD register should be done with the BOD
deactivated to avoid spurious reset or interrupt.
See Electrical Characteristics for parametric details.
Power-On
Reset
lists parts of the device that are reset, depending on the reset source.
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
External
Reset
Y
N
N
N
N
N
Y
Y
Y
Y
Y
Y
Y
Watchdog
Reset
Y
N
N
N
N
N
N
N
N
Y
Y
Y
N
BOD
Reset
N
N
N
N
N
N
N
Y
Y
Y
Y
Y
Y
CPU Error
Reset
N
N
N
N
N
N
N
Y
Y
Y
Y
Y
Y
AT32UC3A
OCD
Reset
N
N
N
N
N
Y
N
N
N
Y
Y
Y
Y
65
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