Datasheet

82
XMEGA E5 [DATASHEET]
Atmel-8153J–AVR-ATxmega8E5-ATxmega16E5-ATxmega32E5_Datasheet–11/2014
36.10 External Reset Characteristics
Table 36-16. External Reset Characteristics
36.11 Power-on Reset Characteristics
Table 36-17. Power-on Reset Characteristics
Note: 1. V
POT-
values are only valid when BOD is disabled. When BOD is enabled V
POT-
= V
POT+
.
36.12 Flash and EEPROM Characteristics
Table 36-18. Endurance and Data Retention
Symbol Parameter Condition Min. Typ. Max. Units
t
EXT
Minimum reset pulse width 90 1000 ns
V
RST
Reset threshold voltage (V
IH
)
V
CC
= 2.7 - 3.6V 0.6*V
CC
V
V
CC
= 1.6 - 2.7V 0.6*V
CC
Reset threshold voltage (V
IL
)
V
CC
= 2.7 - 3.6V 0.5*V
CC
V
CC
= 1.6 - 2.7V 0.4*V
CC
R
RST
Reset pin Pull-up Resistor 25 k
Symbol Parameter Condition Min. Typ. Max. Units
V
POT-
(1)
POR threshold voltage falling V
CC
V
CC
falls faster than 1V/ms 0.4 1.0
VV
CC
falls at 1V/ms or slower 0.8 1.3
V
POT+
POR threshold voltage raising V
CC
1.3 1.59
Parameter Condition Min. Typ. Max. Units
Flash
Write/Erase cycles
25C 10K
Cycle85°C 10K
105°C 2K
Data retention
25°C 100
Year85°C 25
105°C 10
EEPROM
Write/Erase cycles
25°C 100K
Cycle85°C 100K
105°C 30K
Data retention
25°C 100
Year85°C 25
105°C 10