参数资料
型号: TSC80C31-20CHR
厂商: ATMEL CORP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, 20 MHz, MICROCONTROLLER, CQCC44
封装: LCC-44
文件页数: 124/143页
文件大小: 4602K
代理商: TSC80C31-20CHR
81
XMEGA A3BU [DATASHEET]
8362F–AVR–02/2013
37.14 Flash and EEPROM Memory Characteristics
Table 37-21. Endurance and data retention.
Table 37-22. Programming time.
Notes:
1.
Programming is timed from the 2MHz internal oscillator.
2.
EEPROM is not erased if the EESAVE fuse is programmed.
37.15 Clock and Oscillator Characteristics
37.15.1 Calibrated 32.768kHz Internal Oscillator characteristics
Table 37-23. 32.768kHz internal oscillator characteristics.
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
80K
Cycle
85°C
30K
Data retention
25°C
100
Year
55°C
25
Symbol
Parameter
Condition
Min.
Typ. (1)
Max.
Units
Chip Erase
256KB Flash, EEPROM (2) and SRAM Erase
105
ms
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
Symbol
Parameter
Condition
Min.
Typ.
Max.
Units
Frequency
32.768
kHz
Factory calibration accuracy
T = 85
C, V
CC = 3.0V
-0.5
0.5
%
User calibration accuracy
-0.5
0.5
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