ATXMEGA128B3-AU ATMEL [ATMEL Corporation], ATXMEGA128B3-AU Datasheet - Page 79

• Manufacturer Part Number: ATXMEGA128B3-AU
• Description: 8/16-bit Atmel XMEGA B3 Microcontroller
• Manufacturer: ATMEL [ATMEL Corporation]

36.13 Flash and EEPROM Memory Characteristics
Table 36-18. Endurance and Data Retention
Table 36-19. Programming time
Notes:
36.14 Clock and Oscillator Characteristics
36.14.1
Table 36-20. Calibrated 32.768kHz Internal Oscillator characteristics
8074B–AVR–02/12
Symbol
Symbol
Symbol
1. Programming is timed from the 2MHz internal oscillator.
2. EEPROM is not erased if the EESAVE fuse is programmed.
Calibrated 32.768kHz Internal Oscillator characteristics
Parameter
Flash
EEPROM
Parameter
Chip Erase
Flash
EEPROM
Parameter
Frequency
Factory calibrated accuracy
User calibration accuracy
128KB Flash, EEPROM
64KB Flash, EEPROM
Page Erase
Page Write
Page WriteAutomatic Page Erase and Write
Page Erase
Page Write
Page WriteAutomatic Page Erase and Write
Write/Erase cycles
Data retention
Write/Erase cycles
Data retention
T = 85°C, V
Condition
CC
Condition
Condition
= 3.0V
(2)
(2)
25°C
85°C
25°C
55°C
25°C
85°C
25°C
55°C
100K
100K
Min
-0.5
-0.5
10K
10K
Min
Min
100
100
25
25
32.768
Typ
Typ
Typ
75
55
8
8
4
4
4
4
(1)
XMEGA B3
Max
Max
Max
0.5
0.5
Units
Units
Units
Cycle
Cycle
Year
Year
kHz
ms
%
79