AT32UC3L-EK Atmel, AT32UC3L-EK Datasheet - Page 791
![no-image](/images/manufacturer_photos/0/0/78/atmel_sml.jpg)
AT32UC3L-EK
Manufacturer Part Number
AT32UC3L-EK
Description
KIT EVAL AVR32 UC3 MCU
Manufacturer
Atmel
Type
MCUr
Specifications of AT32UC3L-EK
Contents
*
Silicon Manufacturer
Atmel
Core Architecture
AVR
Core Sub-architecture
UC3L
Kit Contents
Board
Features
USB / Battery Powered, Board Controller / Bootloader
Svhc
No SVHC (15-Dec-2010)
Rohs Compliant
Yes
Tool Type
Starter Kit
Cpu Core
AVR 8
Data Bus Width
8 bit
Processor Series
AT32
Processor To Be Evaluated
AT32UC3L064
Interface Type
USB, Capacitive Touch
For Use With/related Products
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT32UC3L-EK
Manufacturer:
Atmel
Quantity:
135
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32.7
32.7.1
32.7.1.1
Table 32-11. Digital Clock Characteristics
32.7.1.2
Table 32-12. Crystal Oscillator Characteristics
Notes:
32099F–11/2010
Symbol
f
t
t
C
Symbol
f
C
C
t
I
CPXIN
CPXIN
STARTUP
OUT
STARTUP
OSC
IN
L
i
Oscillator Characteristics
1. Please refer to the SCIF chapter for details.
2. Nominal crystal cycles.
3. These values are based on simulation and characterization of other AVR microcontrollers manufactured in the same pro-
Oscillator 0 (OSC0) Characteristics
cess technology. These values are not covered by test limits in production.
Digital Clock Characteristics
Crystal Oscillator Characteristics
Parameter
Crystal oscillator frequency
Crystal load capacitance
Internal equivalent load capacitance
Startup time
Current consumption
Parameter
XIN clock frequency
XIN clock duty cycle
Startup time
XIN input capacitance
The following table describes the characteristics for the oscillator when a digital clock is applied
on XIN.
The following table describes the characteristics for the oscillator when a crystal is connected
between XIN and XOUT as shown in
where the crystal load capacitance
can be found in the crystal datasheet. The capacitance of the external capacitors (C
then be computed as follows:
where C
PCB
is the capacitance of the PCB and
Conditions
SCIF.OSCCTRL.GAIN = 2
Active mode, f = 0.45MHz,
SCIF.OSCCTRL.GAIN = 0
Active mode, f = 10MHz,
SCIF.OSCCTRL.GAIN = 2
Conditions
TQFP48 package
QFN48 package
C
C
L
LEXT
is within the range given in the table. The exact value of C
Figure
=
2 C
(
32-3. The user must choose a crystal oscillator
C
L
i
–
is the internal equivalent load capacitance.
C
(1)
Min
i
) C
–
40
PCB
AT32UC3L016/32/64
0.45
Min
6
Typ
7.0
6.7
0
30 000
Typ
170
10
30
2
(2)
Max
50
60
Max
16
18
Units
LEXT
cycles
cycles
MHz
MHz
Unit
pF
µA
pF
%
) can
791
L
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