參數(shù)資料
型號: EFM32LG840F128
廠商: Energy Micro
文件頁數(shù): 18/67頁
文件大?。?/td> 0K
描述: IC MCU 32BIT 128KB FLASH QFN64
標準包裝: 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
外圍設備: 欠壓檢測/復位,DMA,LCD,POR,PWM,WDT
輸入/輸出數(shù): 56
程序存儲器容量: 128KB(128K 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-WFQFN 裸露焊盤
包裝: 帶卷 (TR)
Preliminary
...the world's most energy friendly microcontrollers
2013-06-28 - EFM32LG840FXX - d0115_Rev1.10
25
www.energymicro.com
Figure 3.9. Calibrated HFRCO 14 MHz Band Frequency vs Temperature and Supply Voltage
1.8
2.2
2.6
3.0
3.4
3.8
Vdd [ V]
13.85
13.90
13.95
14.00
14.05
14.10
14.15
F
re
q
u
e
n
c
y
[M
H
z
]
-40° C
25° C
85° C
–40
–15
5
25
45
65
85
Tem perat ure [ ° C]
13.85
13.90
13.95
14.00
14.05
14.10
14.15
F
re
q
u
e
n
c
y
[M
H
z
]
1.8 V
3 V
3.8 V
Figure 3.10. Calibrated HFRCO 21 MHz Band Frequency vs Temperature and Supply Voltage
1.8
2.2
2.6
3.0
3.4
3.8
Vdd [ V]
20.6
20.7
20.8
20.9
21.0
21.1
21.2
F
re
q
u
e
n
c
y
[M
H
z
]
-40° C
25° C
85° C
–40
–15
5
25
45
65
85
Tem perat ure [ ° C]
20.6
20.7
20.8
20.9
21.0
21.1
21.2
F
re
q
u
e
n
c
y
[M
H
z
]
1.8 V
3 V
3.8 V
Figure 3.11. Calibrated HFRCO 28 MHz Band Frequency vs Temperature and Supply Voltage
1.8
2.2
2.6
3.0
3.4
3.8
Vdd [ V]
27.4
27.5
27.6
27.7
27.8
27.9
28.0
28.1
F
re
q
u
e
n
c
y
[M
H
z
]
-40° C
25° C
85° C
–40
–15
5
25
45
65
85
Tem perat ure [ ° C]
27.4
27.5
27.6
27.7
27.8
27.9
28.0
28.1
F
re
q
u
e
n
c
y
[M
H
z
]
1.8 V
3 V
3.8 V
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