ATUC64L4U Atmel Corporation, ATUC64L4U Datasheet - Page 355
ATUC64L4U
Manufacturer Part Number
ATUC64L4U
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(159 pages)
3.ATUC128L4U.pdf
(960 pages)
4.ATUC128L4U.pdf
(92 pages)
Specifications of ATUC64L4U
Flash (kbytes)
64 Kbytes
Pin Count
48
Max. Operating Frequency
50 MHz
Cpu
32-bit AVR
# Of Touch Channels
17
Hardware Qtouch Acquisition
Yes
Max I/o Pins
36
Ext Interrupts
36
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
1
Twi (i2c)
2
Uart
4
Lin
4
Ssc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
12
Adc Speed (ksps)
460
Analog Comparators
8
Resistive Touch Screen
No
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
16
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
Yes
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.62 to 3.6
Operating Voltage (vcc)
1.62 to 3.6
Fpu
No
Mpu / Mmu
Yes / No
Timers
6
Output Compare Channels
18
Input Capture Channels
12
Pwm Channels
35
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATUC64L4U-D3HR
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
ATUC64L4U-H
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATUC64L4U-U
Manufacturer:
ATMEL
Quantity:
20
Part Number:
ATUC64L4U-ZUT
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- ATUC128L4U PDF datasheet #3
- ATUC128L4U PDF datasheet #4
- Current page: 355 of 960
- Download datasheet (15Mb)
Figure 16-2. Basic Mode WDT Timing Diagram, normal operation.
Figure 16-3. Basic Mode WDT Timing Diagram, no clear within T
16.5.1.6
16.5.2
32142A–12/2011
C L R .W D T C L R
W a tc h d o g re s e t
t= t
C L R .W D T C L R
W a tch d o g re se t
W rite o n e to
t= t
W rite o ne to
0
0
Window Mode
Watchdog Reset
If the WDT counter is not cleared within T
see
A watchdog reset will result in a reset and the code will start executing from the boot vector,
please refer to the Power Manager chapter for details. If the Disable After Reset (DAR) bit in the
CTRL Register is zero, the WDT counter will restart counting from zero when the watchdog reset
is released.
If the CTRL.DAR bit is one the WDT will be disabled after a watchdog reset. Only the CTRL.EN
bit will be changed after the watchdog reset. However, if WDTAUTO fuse is configured to enable
the WDT after a watchdog reset, and the CTRL.FCD bit is zero, writing a one to the CTRL.DAR
bit will have no effect.
The window mode can protect against tight loops of runaway code. This is obtained by adding a
ban period to timeout period. During the ban period clearing the WDT counter is not allowed.
If the WDT Mode (MODE) bit in the CTRL Register is one, the WDT is in window mode. Note
that the CTRL.MODE bit can only be changed when the WDT is disabled (CTRL.EN=0).
Figure 16-3 on page
T
T
p s e l
psel
355.
psel
psel
.
a watchdog reset will be issued at the end of T
ATUC64/128/256L3/4U
T im e o u t
T im e o u t
355
psel
,
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