參數(shù)資料
型號: EFM32G200F32
廠商: Energy Micro
文件頁數(shù): 19/64頁
文件大小: 0K
描述: MCU 32BIT 32KB FLASH 32-QFN
標(biāo)準(zhǔn)包裝: 1,000
系列: Gecko
核心處理器: ARM? Cortex?-M3
芯體尺寸: 32-位
速度: 32MHz
連通性: EBI/EMI,I²C,IrDA,智能卡,SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,DMA,POR,PWM,WDT
輸入/輸出數(shù): 24
程序存儲器容量: 32KB(32K x 8)
程序存儲器類型: 閃存
RAM 容量: 8K x 8
電壓 - 電源 (Vcc/Vdd): 1.8 V ~ 3.8 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 4x12b,D/A 1x12b
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 32-VQFN 裸露焊盤
包裝: 帶卷 (TR)
其它名稱: EFM32G200F32-QFN32
...the world's most energy friendly microcontrollers
2013-06-28 - EFM32G200FXX - d0003_Rev1.60
26
www.energymicro.com
3.9 Oscillators
3.9.1 LFXO
Table 3.9. LFXO
Symbol
Parameter
Condition
Min
Typ
Max
Unit
fLFXO
Supported nominal crystal
frequency
32.768
kHz
ESRLFXO
Supported crystal equiv-
alent series resistance
(ESR)
30
120
kOhm
CLFXOL
Supported crystal external
load range
X
1
25
pF
DCLFXO
Duty cycle
48
50
53.5
%
ILFXO
Current consumption for
core and buffer after start-
up.
ESR=30 kOhm, CL=10 pF,
LFXOBOOST in CMU_CTRL
is 1
190
nA
tLFXO
Start- up time.
ESR=30 kOhm, CL=10 pF,
40% - 60% duty cycle has
been reached, LFXOBOOST
in CMU_CTRL is 1
400
ms
1See Minimum Load Capacitance (C
LFXOL) Requirement For Safe Crystal Startup in energyAware Designer in Simplicity Studio
For safe startup of a given crystal, the energyAware Designer in Simplicity Studio contains a tool to help
users configure both load capacitance and software settings for using the LFXO. For details regarding
the crystal configuration, the reader is referred to application note "AN0016 EFM32 Oscillator Design
Consideration".
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EFM32G200F64 功能描述:ARM微控制器 - MCU 64KB FLASH 16KB RAM 32MHZ 1.8-3.8V RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:72 MHz 程序存儲器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風(fēng)格:SMD/SMT