Datasheet

130
XMEGA D3 [DATASHEET]
Atmel-8134N-ATxmega32D3-64D3-128D3-192D3-256D3-384D3_datasheet–03/2014
32.4.11 Power-on reset characteristics
Table 32-103.Power-on reset characteristics.
Note: 1. V
POT-
values are only valid when BOD is disabled. When BOD is enabled V
POT-
= V
POT+
.
32.4.12 Flash and EEPROM memory characteristics
Table 32-104.Endurance and data retention.
Table 32-105. Programming time.
Notes: 1. Programming is timed from the 2MHz internal oscillator.
2. EEPROM is not erased if the EESAVE fuse is programmed.
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 rising V
CC
1.3 1.59
Symbol Parameter Condition Min. Typ. Max. Units
Flash
Write/erase cycles
25°C 10K
Cycle
85°C 10K
Data retention
25°C 100
Year
55°C 25
EEPROM
Write/erase cycles
25°C 100K
Cycle
85°C 100K
Data retention
25°C 100
Year
55°C 25
Symbol Parameter Condition Min. Typ.
(1)
Max. Units
Chip erase
(2)
192KB flash, EEPROM 90
ms
Application erase Section erase 6
Flash
Page erase 4
Page write 4
Atomic page erase and write 8
EEPROM
Page erase 4
Page write 4
Atomic page erase and write 8