AT32UC3L0-XPLD Atmel, AT32UC3L0-XPLD Datasheet - Page 51

• Manufacturer Part Number: AT32UC3L0-XPLD
• Description: KIT DEV/EVAL FOR AT32UC3L0
• Manufacturer: Atmel

Specifications of AT32UC3L0-XPLD

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

7.7.2
Table 7-13.
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.
32 KHz Crystal Oscillator Characteristics
Parameter
Crystal oscillator frequency
Startup time
Crystal load capacitance
Internal equivalent load
capacitance
Current consumption
Equivalent series resistance
Figure 7-3.
Figure 7-3
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 32 KHz oscillator connection. The user
(2)
Oscillator Connection
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
51