ATXMEGA256A3_10 Datasheet, PDF (66/110 Pages) ATMEL Corporation – 8/16-bit AVR XMEGA A3 Microcontroller

34.4 Flash and EEPROM Memory Characteristics
Table 34-3. Endurance and Data Retention
Symbol Parameter
Condition
Flash
Write/Erase cycles
Data retention
EEPROM
Write/Erase cycles
Data retention
25°C
85°C
25°C
55°C
25°C
85°C
25°C
55°C
XMEGA A3
Min
Typ
Max Units
10K
Cycle
10K
100
Year
25
80K
Cycle
30K
100
Year
25
Table 34-4. Programming time
Symbol Parameter
Chip Erase
Flash
EEPROM
Condition
Min
Flash, EEPROM⁽²⁾ and SRAM Erase
Page Erase
Page Write
Page WriteAutomatic Page Erase and Write
Page Erase
Page Write
Page WriteAutomatic Page Erase and Write
Notes: 1. Programming is timed from the internal 2 MHz oscillator.
2. EEPROM is not erased if the EESAVE fuse is programmed.
Typ⁽¹⁾
40
6
6
12
6
6
12
Max Units
ms
66
8068R–AVR–08/10