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參數(shù)資料
| 型號(hào)： | EFM32G840F128 |
| 廠商： | Energy Micro |
| 文件頁(yè)數(shù)： | 45/69頁(yè) |
| 文件大小： | 0K |
| 描述： | IC MCU 32BIT 128KB FLASH 64QFN |
| 特色產(chǎn)品： | EFM32 Gecko |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 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(cè)/復(fù)位，DMA，LCD，POR，PWM，WDT |
| 輸入/輸出數(shù)： | 56 |
| 程序存儲(chǔ)器容量： | 128KB（128K x 8） |
| 程序存儲(chǔ)器類(lèi)型： | 閃存 |
| RAM 容量： | 16K x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 1.8 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-VFQFN 裸露焊盤(pán) |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 其它名稱(chēng)： | 914-1015-6 |
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...the world's most energy friendly microcontrollers
2013-06-28 - EFM32G840FXX - d0008_Rev1.60
5
www.energymicro.com
2.1.11 Universal Synchronous/Asynchronous Receiver/Transmitter (US-
ART)
The Universal Synchronous Asynchronous serial Receiver and Transmitter (USART) is a very flexible
serial I/O module. It supports full duplex asynchronous UART communication as well as RS-485, SPI,
MicroWire and 3-wire. It can also interface with ISO7816 SmartCards, and IrDA devices.
2.1.12 Pre-Programmed Serial Bootloader
The bootloader presented in application note AN0003 is pre-programmed in the device at factory. Auto-
baud and destructive write are supported. The autobaud feature, interface and commands are described
further in the application note.
2.1.13 Low Energy Universal Asynchronous Receiver/Transmitter
(LEUART)
The unique LEUART
TM, the Low Energy UART, is a UART that allows two-way UART communication on
a strict power budget. Only a 32.768 kHz clock is needed to allow UART communication up to 9600 baud/
s. The LEUART includes all necessary hardware support to make asynchronous serial communication
possible with minimum of software intervention and energy consumption.
2.1.14 Timer/Counter (TIMER)
The 16-bit general purpose Timer has 3 compare/capture channels for input capture and compare/Pulse-
Width Modulation (PWM) output. TIMER0 also includes a Dead-Time Insertion module suitable for motor
control applications.
2.1.15 Real Time Counter (RTC)
The Real Time Counter (RTC) contains a 24-bit counter and is clocked either by a 32.768 kHz crystal
oscillator, or a 32.768 kHz RC oscillator. In addition to energy modes EM0 and EM1, the RTC is also
available in EM2. This makes it ideal for keeping track of time since the RTC is enabled in EM2 where
most of the device is powered down.
2.1.16 Low Energy Timer (LETIMER)
The unique LETIMER
TM, the Low Energy Timer, is a 16-bit timer that is available in energy mode EM2
in addition to EM1 and EM0. Because of this, it can be used for timing and output generation when most
of the device is powered down, allowing simple tasks to be performed while the power consumption of
the system is kept at an absolute minimum. The LETIMER can be used to output a variety of waveforms
with minimal software intervention. It is also connected to the Real Time Counter (RTC), and can be
configured to start counting on compare matches from the RTC.
2.1.17 Pulse Counter (PCNT)
The Pulse Counter (PCNT) can be used for counting pulses on a single input or to decode quadrature
encoded inputs. It runs off either the internal LFACLK or the PCNTn_S0IN pin as external clock source.
The module may operate in energy mode EM0 – EM3.
2.1.18 Analog Comparator (ACMP)
The Analog Comparator is used to compare the voltage of two analog inputs, with a digital output indi-
cating which input voltage is higher. Inputs can either be one of the selectable internal references or from
external pins. Response time and thereby also the current consumption can be configured by altering
the current supply to the comparator.
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| EFM32G840F128-QFN64 | 制造商:Energy Micro AS 功能描述:MCU, 128K FLASH, LCD 4X24, USART+UART 3, QFN64 - Tape and Reel 制造商:Energy Micro AS 功能描述:IC MCU 32BIT 128KB FLASH 64QFN |
| EFM32G840F128-QFN64T | 制造商:Energy Micro AS 功能描述:32 BIT ARM MPU, GECKO - Trays |
| EFM32G840F128-QFN64-T | 制造商:Energy Micro AS 功能描述:IC MCU 32BIT 128KB FLASH 64QFN |
| EFM32-G840F128-SK | 功能描述:IC MICRO KIT GECKO 64QFN RoHS:是 類(lèi)別:套件 >> 半導(dǎo)體產(chǎn)品 - IC 元件分類(lèi) 系列:Gecko 其它有關(guān)文件:NXPLOGIC2-KIT-ND Contents 標(biāo)準(zhǔn)包裝:1 系列:74AUP 套件類(lèi)型:邏輯 值:180 件 - 18 種值各 10 件 包裝:- 安裝類(lèi)型:表面貼裝 包括封裝:6-XSON，8-XSON，8-XQFN 產(chǎn)品目錄頁(yè)面:2653 (CN2011-ZH PDF) 工具箱內(nèi)容:(10) 568-4391-1-ND - IC GATE MULT-FUNC CONFIG 6-XSON(10) 568-4390-1-ND - IC CONFIG MULT-FUNC GATE 6-XSON(10) 568-4389-1-ND - IC GATE DUAL FUNCTION 8-XSON(10) 568-4388-1-ND - IC GATE DUAL FUNCTION 8-XQFN(10) 568-4387-1-ND - IC F-F D-TYPE POS EDGE 8-XSON(10) 568-4386-1-ND - IC F-F D-TYPE POS EDGE 8-XQFN(10) 568-4385-1-ND - IC CONFIG MULTI-FUNC GATE 6-XSON(10) 568-4384-1-ND - IC EX-OR GATE 3-IN 6-XSON(10) 568-4383-1-ND - IC F-F D-TYPE POS EDGE 6-XSON(10) 568-4382-1-ND - IC LATCH D-TYPE 6-XSON更多... 其它名稱(chēng):NXPLOGIC2-KIT |
| EFM32G840F128-T | 制造商:Energy Micro AS 功能描述:IC MCU 32BIT 128KB FLASH 64QFN |
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