參數(shù)資料
型號(hào): EFM32-G280F128-SK
廠商: Energy Micro
文件頁(yè)數(shù): 21/69頁(yè)
文件大小: 0K
描述: IC MICRO KIT GECKO 100LQFP
標(biāo)準(zhǔn)包裝: 1
系列: Gecko
套件類(lèi)型: 微控制器
值: 2 件 - 閃存 - 128KB
包裝: 紙板盒
安裝類(lèi)型: 表面貼裝
包括封裝: 100-LQFP
工具箱內(nèi)容: (2) 914-1013-1-ND - IC MCU 32BIT 128KB FLASH 100QFP
其它名稱(chēng): 914-1008
EFM32-G280-SK-F128/64/32
...the world's most energy friendly microcontrollers
2013-06-28 - EFM32G280FXX - d0006_Rev1.60
28
www.energymicro.com
3.9.2 HFXO
Table 3.10. HFXO
Symbol
Parameter
Condition
Min
Typ
Max
Unit
fHFXO
Supported nominal crystal
Frequency
4
32
MHz
Crystal frequency 32 MHz
30
60
Ohm
ESRHFXO
Supported crystal equiv-
alent series resistance
(ESR)
Crystal frequency 4 MHz
400
1500
Ohm
gmHFXO
The transconductance of
the HFXO input transistor
at crystal startup
HFXOBOOST in CMU_CTRL
equals 0b11
20
mS
CHFXOL
Supported crystal external
load range
5
25
pF
DCHFXO
Duty cycle
46
50
54
%
4 MHz: ESR=400 Ohm,
CL=20 pF, HFXOBOOST in
CMU_CTRL equals 0b11
85
A
IHFXO
Current consumption for
HFXO after startup
32 MHz: ESR=30 Ohm,
CL=10 pF, HFXOBOOST in
CMU_CTRL equals 0b11
165
A
Startup time
32 MHz: ESR=30 Ohm,
CL=10 pF, HFXOBOOST in
CMU_CTRL equals 0b11
400
s
tHFXO
Pulse width removed by
glitch detector
1
4
ns
3.9.3 LFRCO
Table 3.11. LFRCO
Symbol
Parameter
Condition
Min
Typ
Max
Unit
fLFRCO
Oscillation frequency ,
VDD= 3.0 V, TAMB=25°C
32.768
kHz
tLFRCO
Startup time not including
software calibration
150
s
ILFRCO
Current consumption
190
nA
TCLFRCO
Temperature coefficient
±0.02
%/°C
VCLFRCO
Supply voltage coefficient
±15
%/V
TUNESTEPL-
FRCO
Frequency step for LSB
change in TUNING value
1.5
%
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