AT32UC3A0512-ALUT Atmel, AT32UC3A0512-ALUT Datasheet - Page 94
![IC MCU AVR32 512KB FLASH 144LQFP](/photos/6/72/67244/144l1-lqfp_sml.jpg)
AT32UC3A0512-ALUT
Manufacturer Part Number
AT32UC3A0512-ALUT
Description
IC MCU AVR32 512KB FLASH 144LQFP
Manufacturer
Atmel
Series
AVR®32 UC3r
Specifications of AT32UC3A0512-ALUT
Core Processor
AVR
Core Size
32-Bit
Speed
66MHz
Connectivity
EBI/EMI, Ethernet, I²C, SPI, SSC, UART/USART, USB OTG
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
109
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
64K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
Package
144LQFP
Device Core
AVR32
Family Name
AT32
Maximum Speed
66 MHz
Operating Supply Voltage
1.8|3.3 V
Data Bus Width
32 Bit
Number Of Programmable I/os
69
Interface Type
Ethernet/I2S/JTAG/SPI/TWI/USART
Number Of Timers
3
Processor Series
AT32UC3x
Core
AVR32
Data Ram Size
64 KB
Maximum Clock Frequency
66 MHz
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR32, EWAVR32-BL, KSK-EVK1100-PL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, ATEXTWIFI, ATEVK1100, ATEVK1105, ATAVRRZ600
Minimum Operating Temperature
- 40 C
For Use With
ATEVK1105 - KIT EVAL FOR AT32UC3A0ATAVRONEKIT - KIT AVR/AVR32 DEBUGGER/PROGRMMR770-1008 - ISP 4PORT ATMEL AVR32 MCU SPIATEVK1100 - KIT DEV/EVAL FOR AVR32 AT32UC3A
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT32UC3A0512-ALUT
Manufacturer:
ATMEL
Quantity:
2 155
Part Number:
AT32UC3A0512-ALUT
Manufacturer:
AT
Quantity:
20 000
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15. Watchdog Timer (WDT)
15.1
15.2
15.3
Figure 15-1. Watchdog Timer module block diagram
15.4
15.4.1
15.4.2
15.4.3
32058J–AVR32–04/11
Features
Description
Block Diagram
Product Dependencies
Power Management
Debug Operation
Clocks
RCOSC
Rev: 2.3.0.1
•
•
The Watchdog Timer (WDT) has a prescaler generating a timeout period. This prescaler is
clocked from the RC oscillator. The watchdog timer must be periodically reset by software within
the timeout period, otherwise, the device is reset and starts executing from the boot vector. This
allows the device to recover from a condition that has caused the system to be unstable.
When the WDT is enabled, the WDT remains clocked in all sleep modes, and it is not possible to
enter Static mode.
The WDT prescaler is frozen during debug operation, unless the OCD system keeps peripherals
running in debug operation.
The WDT can use the internal RC oscillator as clock source. This oscillator is always enabled
whenever these modules are active. Please refer to the Electrical Characteristics chapter for the
characteristic frequency of this oscillator (f
Watchdog Timer counter with 16-bit prescaler
Clocked from RC oscillator
Prescaler
32-bit
EN
RC
).
WDT_CTRL
WDT_CLR
Watchdog
Detector
Watchdog Reset
AT32UC3A
94
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