AT32UC3L064-ZAUT Atmel, AT32UC3L064-ZAUT Datasheet - Page 280
![IC MCU AVR32 64KB FLASH 48VQFN](/photos/6/82/68297/48-qfn_sml.jpg)
AT32UC3L064-ZAUT
Manufacturer Part Number
AT32UC3L064-ZAUT
Description
IC MCU AVR32 64KB FLASH 48VQFN
Manufacturer
Atmel
Series
AVR®32 UC3r
Datasheet
1.AT32UC3L-EK.pdf
(858 pages)
Specifications of AT32UC3L064-ZAUT
Core Processor
AVR
Core Size
32-Bit
Speed
50MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, DMA, PWM, WDT
Number Of I /o
36
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.62 V ~ 3.6 V
Data Converters
A/D 9x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-VQFN Exposed Pad, 48-HVQFN, 48-SQFN, 48-DHVQFN
Processor Series
AT32UC3x
Core
AVR32
Data Bus Width
32 bit
Data Ram Size
16 KB
Interface Type
SPI, TWI, USART
Maximum Clock Frequency
50 MHz
Number Of Programmable I/os
36
Number Of Timers
7
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR32, EWAVR32-BL
Development Tools By Supplier
AT32UC3L-EK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 9 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
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- Download datasheet (13Mb)
Figure 15-4. Window Mode WDT Timing Diagram
Figure 15-5. Window Mode WDT Timing Diagram, clearing within T
32099F–11/2010
C L R .W D T C L R
W a tc h d o g re s e t
C L R .W D T C L R
W a tch d o g re se t
t= t
t= t
W rite o n e to
W rite o n e to
0
0
The PSEL and Time Ban Prescale Select (TBAN) fields in the CTRL Register selects the WDT
timeout period
where T
bit is not allowed. Doing so will result in a watchdog reset, the device will receive a reset and the
code will start executing form the boot vector, see
will be cleared.
Writing a one to the CLR.WDTCLR bit within the T
counter starts counting from zero (t=t
If the value in the CTRL Register is changed, the WDT counter will be cleared without a watch-
dog reset, regardless of if the value in the WDT counter and the TBAN value.
If the WDT counter reaches T
and the code will start executing form the boot vector.
T
T
tb a n
tb a n
T
timeout
tban
sets the time period when clearing the WDT counter by writing to the CLR.WDTCLR
= T
tban
+ T
psel
= (2
timeout
(TBAN+1)
, the counter will be cleared, the device will receive a reset
0
), entering T
+ 2
(PSEL+1)
tban
, resulting in watchdog reset.
T
T
p s e l
) / f
p se l
tban
psel
Figure 15-5 on page
clk_cnt
, see
period will clear the WDT counter and the
AT32UC3L016/32/64
Figure 15-4 on page
280. The WDT counter
T im e o u t
T im e o u t
280.
280
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