參數(shù)資料
型號(hào): EFM32LG840F64
廠商: Energy Micro
文件頁(yè)數(shù): 51/67頁(yè)
文件大?。?/td> 0K
描述: IC MCU 32BIT 64KB FLASH QFN64
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
外圍設(shè)備: 欠壓檢測(cè)/復(fù)位,DMA,LCD,POR,PWM,WDT
輸入/輸出數(shù): 56
程序存儲(chǔ)器容量: 64KB(64K x 8)
程序存儲(chǔ)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
55
www.energymicro.com
4.5 QFN64 Package
Figure 4.3. QFN64
Note:
1. Dimensioning & tolerancing confirm to ASME Y14.5M-1994.
2. All dimensions are in millimeters. Angles are in degrees.
3. Dimension 'b' applies to metallized terminal and is measured between 0.25 mm and 0.30 mm from
the terminal tip. Dimension L1 represents terminal full back from package edge up to 0.1 mm is
acceptable.
4. Coplanarity applies to the exposed heat slug as well as the terminal.
5. Radius on terminal is optional
Table 4.4. QFN64 (Dimensions in mm)
Symbol
A
A1
A3
b
D
E
D2
E2
e
L
L1
aaa
bbb
ccc
ddd
eee
Min
0.80
0.00
0.20
7.10
0.40
0.00
Nom
0.85
-
0.25
7.20
0.45
Max
0.90
0.05
0.203
REF
0.30
9.00
BSC
9.00
BSC
7.30
0.50
BSC
0.50
0.10
0.05
0.08
The QFN64 Package uses Nickel-Palladium-Gold preplated leadframe.
All EFM32 packages are RoHS compliant and free of Bromine (Br) and Antimony (Sb).
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EFM32LG842F128 功能描述:ARM微控制器 - MCU 128KB FL 32KB RAM 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(shí)鐘頻率:72 MHz 程序存儲(chǔ)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