參數資料
| 型號： | EFM32LG940F128 |
| 廠商： | Energy Micro |
| 文件頁數： | 1/67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，USB |
| 外圍設備： | 欠壓檢測/復位，DMA，LCD，POR，PWM，WDT |
| 輸入/輸出數： | 53 |
| 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 |
| 數據轉換器： | 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) |
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Preliminary
...the world's most energy friendly microcontrollers
2013-06-28 - EFM32LG940FXX - d0120_Rev1.10
1
www.energymicro.com
EFM32LG940 DATASHEET
F256/F128/F64
Preliminary
ARM Cortex-M3 CPU platform
High Performance 32-bit processor @ up to 48 MHz
Memory Protection Unit
Flexible Energy Management System
20 nA @ 3 V Shutoff Mode
0.4A @ 3 V Shutoff Mode with RTC
0.9 A @ 3 V Stop Mode, including Power-on Reset, Brown-out
Detector, RAM and CPU retention
1.1 A @ 3 V Deep Sleep Mode, including RTC with 32.768 kHz
oscillator, Power-on Reset, Brown-out Detector, RAM and CPU
retention
50 A/MHz @ 3 V Sleep Mode
200 A/MHz @ 3 V Run Mode, with code executed from flash
256/128/64 KB Flash
32/32/32 KB RAM
52 General Purpose I/O pins
Configurable push-pull, open-drain, pull-up/down, input filter, drive
strength
Configurable peripheral I/O locations
16 asynchronous external interrupts
Output state retention and wake-up from Shutoff Mode
12 Channel DMA Controller
12 Channel Peripheral Reflex System (PRS) for autonomous in-
ter-peripheral signaling
Hardware AES with 128/256-bit keys in 54/75 cycles
Timers/Counters
4× 16-bit Timer/Counter
4×3 Compare/Capture/PWM channels
Dead-Time Insertion on TIMER0
16-bit Low Energy Timer
1× 24-bit Real-Time Counter and 1× 32-bit Real-Time Counter
3× 16/8-bit Pulse Counter
Watchdog Timer with dedicated RC oscillator @ 50 nA
Integrated LCD Controller for up to 8×18 segments
Voltage boost, adjustable contrast and autonomous animation
Backup Power Domain
RTC and retention registers in a separate power domain, avail-
able in all energy modes
Operation from backup battery when main power drains out
Communication interfaces
3× Universal Synchronous/Asynchronous Receiv-
er/Transmitter
UART/SPI/SmartCard (ISO 7816)/IrDA/I2S
2× Low Energy UART
Autonomous operation with DMA in Deep Sleep
Mode
2× I
2C Interface with SMBus support
Address recognition in Stop Mode
Universal Serial Bus (USB) with Host & OTG support
Fully USB 2.0 compliant
On-chip PHY and embedded 5V to 3.3V regulator
Ultra low power precision analog peripherals
12-bit 1 Msamples/s Analog to Digital Converter
8 single ended channels/4 differential channels
On-chip temperature sensor
12-bit 500 ksamples/s Digital to Analog Converter
2× Analog Comparator
Capacitive sensing with up to 16 inputs
3× Operational Amplifier
6.1 MHz GBW, Rail-to-rail, Programmable Gain
Supply Voltage Comparator
Low Energy Sensor Interface (LESENSE)
Autonomous sensor monitoring in Deep Sleep Mode
Wide range of sensors supported, including LC sen-
sors and capacitive buttons
Ultra efficient Power-on Reset and Brown-Out Detec-
tor
Debug Interface
2-pin Serial Wire Debug interface
1-pin Serial Wire Viewer
Embedded Trace Module v3.5 (ETM)
Pre-Programmed Serial Bootloader
Temperature range -40 to 85 C
Single power supply 1.85 to 3.8 V
QFN64 package
32-bit ARM Cortex-M0+, Cortex-M3 and Cortex-M4 microcontrollers for:
Energy, gas, water and smart metering
Health and fitness applications
Smart accessories
Alarm and security systems
Industrial and home automation
www.energymicro.com/gecko
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相關代理商/技術參數 |
參數描述 |
|---|---|
| EFM32LG940F128-QFN64 | 制造商:Energy Micro AS 功能描述:LEOPARD GECKO MICROCONTROLLER - Tape and Reel 制造商:Energy Micro AS 功能描述:IC MCU 32BIT 128KB FLASH 64QFN |
| EFM32LG940F128-QFN64T | 制造商:Energy Micro AS 功能描述:32 BIT ARM MPU, LEOPARD GECKO - Trays |
| EFM32LG940F128-QFN64-T | 制造商:Energy Micro AS 功能描述:IC MCU 32BIT 128KB FLASH 64QFN |
| EFM32LG940F128-T | 制造商:Energy Micro AS 功能描述:IC MCU 32BIT 128KB FLASH 64QFN |
| EFM32LG940F256 | 功能描述:ARM微控制器 - MCU 256KB FL 32KB RAM RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數據總線寬度:32 bit 最大時鐘頻率:72 MHz 程序存儲器大小:256 KB 數據 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 安裝風格:SMD/SMT |
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