参数资料
型号: EFM32-G280F128-SK
厂商: Energy Micro
文件页数: 24/69页
文件大小: 0K
描述: IC MICRO KIT GECKO 100LQFP
标准包装: 1
系列: Gecko
套件类型: 微控制器
值: 2 件 - 闪存 - 128KB
包装: 纸板盒
安装类型: 表面贴装
包括封装: 100-LQFP
工具箱内容: (2) 914-1013-1-ND - IC MCU 32BIT 128KB FLASH 100QFP
其它名称: 914-1008
EFM32-G280-SK-F128/64/32
...the world's most energy friendly microcontrollers
2013-06-28 - EFM32G280FXX - d0006_Rev1.60
30
www.energymicro.com
3.9.4 HFRCO
Table 3.12. HFRCO
Symbol
Parameter
Condition
Min
Typ
Max
Unit
28 MHz frequency band
28
MHz
21 MHz frequency band
21
MHz
14 MHz frequency band
14
MHz
11 MHz frequency band
11
MHz
7 MHz frequency band
6.6
1
MHz
fHFRCO
Oscillation frequency, VDD=
3.0 V, TAMB=25°C
1 MHz frequency band
1.2
2
MHz
tHFRCO_settling
Settling time after start-up
fHFRCO = 14 MHz
0.6
Cycles
fHFRCO = 28 MHz
106
A
fHFRCO = 21 MHz
93
A
fHFRCO = 14 MHz
77
A
fHFRCO = 11 MHz
72
A
fHFRCO = 6.6 MHz
63
A
IHFRCO
Current consumption
fHFRCO = 1.2 MHz
22
A
DCHFRCO
Duty cycle
fHFRCO = 14 MHz
48.5
50
51
%
fHFRCO = 14 MHz
±0.01
3
%/°C
fHFRCO = 28 MHz
±0.005
3
%/°C
fHFRCO = 21 MHz
±0.01
3
%/°C
fHFRCO = 11 MHz
±0.02
3
%/°C
fHFRCO = 6.6 MHz
±0.02
3
%/°C
TCHFRCO
Temperature coefficient,
VDD= 3.0 V
fHFRCO = 1.2 MHz
±0.06
3
%/°C
fHFRCO = 14 MHz
±0.32
4
%/V
fHFRCO = 28 MHz
±0.52
4
%/V
fHFRCO = 21 MHz
±0.25
4
%/V
fHFRCO = 11 MHz
±0.28
4
%/V
fHFRCO = 6.6 MHz
±0.3
4
%/V
VCHFRCO
Supply voltage coefficient,
TAMB=25°C
fHFRCO = 1.2 MHz
±15
4
%/V
TUNESTEPH-
FRCO
Frequency step for LSB
change in TUNING value
0.3
%
17 MHz for devices with prod. rev. < 19.
21 MHz for devices with prod. rev. < 19.
3Calculated using (max(-40°C - 85°C) - min(-40°C - 85°C)) / f_
HFRCO / (85°C - (-40°C))
4Calculated using (max(1.8V - 3.8V) - min(1.8V - 3.8V)) / f_
HFRCO / (3.8V - 1.8V))
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