Datasheet

55
32099IS–01/2012
AT32UC3L016/32/64
7.8 Analog Characteristics
7.8.1 Voltage Regulator Characteristics
Note: 1. These values are based on simulation and characterization of other AVR microcontrollers manufactured in the same pro-
cess technology. These values are not covered by test limits in production.
Note: 1. Refer to Section 6.1.2 on page 36.
Table 7-20. Flash Endurance and Data Retention
Symbol Parameter Conditions Min Typ Max Unit
N
FARRAY
Array endurance (write/page) 100k
cycles
N
FFUSE
General Purpose fuses endurance (write/bit) 10k
t
RET
Data retention 15 years
Table 7-21. VREG Electrical Characteristics
Symbol Parameter Condition Min Typ Max Units
V
VDDIN
Input voltage range 1.98 3.3 3.6
V
V
VDDCORE
Output voltage, calibrated value V
VDDIN
>= 1.98V 1.8
Output voltage accuracy
I
OUT
= 0.1mA to 60mA,
V
VDDIN
> 2.2V
2
%
I
OUT
= 0.1mA to 60mA,
V
VDDIN
= 1.98V to 2.2V
4
I
OUT
DC output current
(1)
Normal mode 60
mA
Low power mode 1
I
VREG
Static current of internal regulator
Normal mode 20
µA
Low power mode 6
Table 7-22. Decoupling Requirements
Symbol Parameter Condition Typ Techno. Units
C
IN1
Input regulator capacitor 1 33
nF
C
IN2
Input regulator capacitor 2 100
C
IN3
Input regulator capacitor 3 10 µF
C
OUT1
Output regulator capacitor 1 100 nF
C
OUT2
Output regulator capacitor 2 2.2
Tantalum
0.5<ESR<10Ohm
µF