AT32UC3L064_11 ATMEL [ATMEL Corporation], AT32UC3L064_11 Datasheet - Page 52

• Manufacturer Part Number: AT32UC3L064_11
• Description: 32-bit Atmel AVR Microcontroller
• Manufacturer: ATMEL [ATMEL Corporation]

Notes:
7.6.3
Table 7-14.
Notes:
32099HS–12/2011
Symbol
f
f
I
t
t
OUT
REF
DFLL
STARTUP
LOCK
1. Nominal crystal cycles.
2. These values are based on simulation and characterization of other AVR microcontrollers manufactured in the same pro-
1. Spread Spectrum Generator (SSG) is disabled by writing a zero to the EN bit in the SCIF.DFLL0SSG register.
2. These values are based on simulation and characterization of other AVR microcontrollers manufactured in the same pro-
Digital Frequency Locked Loop (DFLL) Characteristics
cess technology. These values are not covered by test limits in production.
cess technology. These values are not covered by test limits in production.
Digital Frequency Locked Loop Characteristics
Parameter
Output frequency
Reference frequency
FINE resolution
Frequency drift over voltage
and temperature
Accuracy
Power consumption
Startup time
Lock time
(2)
(2)
(2)
(2)
Conditions
FINE > 100, all COARSE values
Fine lock, f
Accurate lock, f
RCSYS/2, SSG disabled
Fine lock, f
disabled
Accurate lock, f
clk RCSYS/2, SSG disabled
Within 90% of final values
f
f
clock = RCSYS/2, SSG disabled
REF
REF
= 32kHz, fine lock, SSG disabled
= 32kHz, accurate lock, dithering
REF
REF
= 8-150kHz, SSG
= 32kHz, SSG disabled
REF
REF
= 32kHz, dither clk
= 8-150kHz, dither
AT32UC3L016/32/64
Min
40
8
Figure 7-4
1100
0.25
0.06
Typ
See
600
0.1
0.2
0.1
22
Max
150
150
100
0.5
0.5
1
1
µA/MHz
Unit
MHz
kHz
µs
%
%
52