AT32UC3L-EK Atmel, AT32UC3L-EK Datasheet - Page 792

• 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

32.7.2
Table 32-13. 32 KHz Crystal Oscillator Characteristics
Notes:
32099F–11/2010
Symbol
f
t
C
C
I
R
OUT
STARTUP
OSC32
L
i
S
1. Nominal crystal cycles.
2. These values are based on simulation and characterization of other AVR microcontrollers manufactured in the same pro-
32KHz Crystal Oscillator (OSC32K) Characteristics
cess technology. These values are not covered by test limits in production.
Parameter
Crystal oscillator frequency
Startup time
Crystal load capacitance
Internal equivalent load
capacitance
Current consumption
Equivalent series resistance
Figure 32-3. Oscillator Connection
Figure 32-3
must choose a crystal oscillator where the crystal load capacitance C
in the table. The exact value of C
UC3L
C
i
(2)
and the equation above also applies to the 32KHz oscillator connection. The user
(2)
Conditions
R
32 768Hz
S
XOUT
= 60kOhm, C
XIN
L
can then be found in the crystal datasheet.
L
= 9pF
C
L
AT32UC3L016/32/64
Min
35
6
C
C
LEXT
LEXT
30 000
32 768
Typ
L
0.9
2
is within the range given
(1)
Max
12.5
85
cycles
kOhm
Unit
Hz
µA
pF
792