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參數(shù)資料
| 型號： | EFM32G280F64 |
| 廠商： | Energy Micro |
| 文件頁數(shù)： | 34/69頁 |
| 文件大小： | 0K |
| 描述： | MCU 32BIT 64KB FLASH 100-LQFP |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 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/復(fù)位，DMA，POR，PWM，WDT |
| 輸入/輸出數(shù)： | 86 |
| 程序存儲器容量： | 64KB（64K x 8） |
| 程序存儲器類型： | 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： | 100-LQFP |
| 包裝： | 帶卷 (TR) |
| 其它名稱： | EFM32G280F64-QFP100 |
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...the world's most energy friendly microcontrollers
2013-06-28 - EFM32G280FXX - d0006_Rev1.60
4
www.energymicro.com
into two blocks; the main block and the information block. Program code is normally written to the main
block. Additionally, the information block is available for special user data and flash lock bits. There is
also a read-only page in the information block containing system and device calibration data. Read and
write operations are supported in the energy modes EM0 and EM1.
2.1.4 Direct Memory Access Controller (DMA)
The Direct Memory Access (DMA) controller performs memory operations independently of the CPU.
This has the benefit of reducing the energy consumption and the workload of the CPU, and enables
the system to stay in low energy modes when moving for instance data from the USART to RAM or
from the External Bus Interface to a PWM-generating timer. The DMA controller uses the PL230 DMA
controller licensed from ARM.
2.1.5 Reset Management Unit (RMU)
The RMU is responsible for handling the reset functionality of the EFM32G.
2.1.6 Energy Management Unit (EMU)
The Energy Management Unit (EMU) manage all the low energy modes (EM) in EFM32G microcon-
trollers. Each energy mode manages if the CPU and the various peripherals are available. The EMU
can also be used to turn off the power to unused SRAM blocks.
2.1.7 Clock Management Unit (CMU)
The Clock Management Unit (CMU) is responsible for controlling the oscillators and clocks on-board
the EFM32G. The CMU provides the capability to turn on and off the clock on an individual basis to all
peripheral modules in addition to enable/disable and configure the available oscillators. The high degree
of flexibility enables software to minimize energy consumption in any specific application by not wasting
power on peripherals and oscillators that are inactive.
2.1.8 Watchdog (WDOG)
The purpose of the watchdog timer is to generate a reset in case of a system failure, to increase appli-
cation reliability. The failure may e.g. be caused by an external event, such as an ESD pulse, or by a
software failure.
2.1.9 Peripheral Reflex System (PRS)
The Peripheral Reflex System (PRS) system is a network which lets the different peripheral module
communicate directly with each other without involving the CPU. Peripheral modules which send out
Reflex signals are called producers. The PRS routes these reflex signals to consumer peripherals which
apply actions depending on the data received. The format for the Reflex signals is not given, but edge
triggers and other functionality can be applied by the PRS.
2.1.10 External Bus Interface (EBI)
The External Bus Interface provides access to external parallel interface devices such as SRAM, FLASH,
ADCs and LCDs. The interface is memory mapped into the address bus of the Cortex-M3. This enables
seamless access from software without manually manipulating the IO settings each time a read or write
is performed. The data and address lines are multiplexed in order to reduce the number of pins required
to interface the external devices. The timing is adjustable to meet specifications of the external devices.
The interface is limited to asynchronous devices.
2.1.11 Inter-Integrated Circuit Interface (I2C)
The I
2C module provides an interface between the MCU and a serial I2C-bus. It is capable of acting as
both a master and a slave, and supports multi-master buses. Both standard-mode, fast-mode and fast-
mode plus speeds are supported, allowing transmission rates all the way from 10 kbit/s up to 1 Mbit/s.
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| EFM32G280F64-QFP100 | 制造商:Energy Micro AS 功能描述:MCU, 64K FLASH, USART+UART 3+1, QFP100 - Tape and Reel 制造商:Energy Micro AS 功能描述:IC MCU 32BIT 64KB FLASH 100LQFP |
| EFM32G280F64-QFP100T | 制造商:Energy Micro AS 功能描述:32 BIT ARM MPU, GECKO - Trays |
| EFM32G280F64-QFP100-T | 制造商:Energy Micro AS 功能描述:IC MCU 32BIT 64KB FLASH 100LQFP |
| EFM32G280F64-T | 制造商:Energy Micro AS 功能描述:IC MCU 32BIT 64KB FLASH 100LQFP |
| EFM32-G280-SK-F128 | 制造商:Energy Micro AS 功能描述:MCU CORTEX-M3 EFM32-G280 SAMPLE-PK 制造商:Energy Micro AS 功能描述:EFM32-G280-F128 Sample Kit (2 per) |
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