參數(shù)資料
型號: EFM32LG332F64
廠商: Energy Micro
文件頁數(shù): 5/66頁
文件大?。?/td> 0K
描述: IC MCU 32BIT 64KB FLASH QFP64
標(biāo)準(zhǔn)包裝: 1,000
系列: Leopard Gecko
核心處理器: ARM? Cortex?-M4
芯體尺寸: 32-位
速度: 48MHz
連通性: I²C,IrDA,智能卡,SPI,UART/USART,USB
外圍設(shè)備: 欠壓檢測/復(fù)位,DMA,POR,PWM,WDT
輸入/輸出數(shù): 50
程序存儲器容量: 64KB(64K x 8)
程序存儲器類型: 閃存
RAM 容量: 32K x 8
電壓 - 電源 (Vcc/Vdd): 1.85 V ~ 3.8 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x12b,D/A 2x12b
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 64-TQFP
包裝: 帶卷 (TR)
Preliminary
...the world's most energy friendly microcontrollers
2013-06-28 - EFM32LG332FXX - d0111_Rev1.10
13
www.energymicro.com
3.5 Transition between Energy Modes
Table 3.5. Energy Modes Transitions
Symbol
Parameter
Min
Typ
Max
Unit
tEM10
Transition time from EM1 to EM0
0
1
HF
core
CLK
cycles
tEM20
Transition time from EM2 to EM0
2
s
tEM30
Transition time from EM3 to EM0
2
s
tEM40
Transition time from EM4 to EM0
163
s
1Core wakeup time only.
3.6 Power Management
The EFM32LG requires the AVDD_x, VDD_DREG and IOVDD_x pins to be connected together at the
PCB level. For practical schematic recommendations, please see the application note, "AN0002 EFM32
Hardware Design Considerations".
Table 3.6. Power Management
Symbol
Parameter
Condition
Min
Typ
Max
Unit
VBODextthr-
BOD threshold on falling
external supply voltage
1.82
1.85
V
VBODintthr-
BOD threshold on falling
internally regulated supply
voltage
1.62
1.68
V
VBODextthr+
BOD threshold on rising ex-
ternal supply voltage
1.85
V
VPORthr+
Power-on Reset (POR)
threshold on rising external
supply voltage
1.98
V
tRESET
Delay from reset is re-
leased until program execu-
tion starts
Applies to Power-on Reset,
Brown-out Reset and pin re-
set.
163
s
CDECOUPLE
Voltage regulator decou-
pling capacitor.
X5R capacitor recommended.
Apply between DECOUPLE
pin and GROUND
1
F
CUSB_VREGO
USB voltage regulator out
decoupling capacitor.
X5R capacitor recommended.
Apply between USB_VREGO
pin and GROUND
1
F
CUSB_VREGI
USB voltage regulator in
decoupling capacitor.
X5R capacitor recommended.
Apply between USB_VREGI
pin and GROUND
4.7
F
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