參數(shù)資料
型號： EFM32TG222F32
廠商： Energy Micro
文件頁數(shù)： 49/136頁
文件大?。?/td> 0K
描述： IC MCU 32BIT 32KB FLASH 48LQFP
特色產(chǎn)品： EFM32 Tiny Gecko
標準包裝： 1
系列： Tiny Gecko
核心處理器： ARM? Cortex?-M3
芯體尺寸： 32-位
速度： 32MHz
連通性： I²C，IrDA，智能卡，SPI，UART/USART
外圍設(shè)備： 欠壓檢測/復(fù)位，DMA，I²S，POR，PWM，WDT
輸入/輸出數(shù)： 37
程序存儲器容量： 32KB（32K x 8）
程序存儲器類型： 閃存
RAM 容量： 4K x 8
電壓 - 電源 (Vcc/Vdd)： 1.8 V ~ 3.8 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 4x12b，D/A 1x12b
振蕩器型： 外部
工作溫度： -40°C ~ 85°C
封裝/外殼： 48-TQFP
包裝： 標準包裝
其它名稱： 914-1029-6
...the world's most energy friendly microcontrollers
2011-02-04 - d0002_Rev1.00
2
www.energymicro.com
1 Introduction
1.1 About this document
This document provides the information required to use the ARM Cortex-M3 core in EFM32
microcontrollers. Further details on the specific implementations within the EFM32 devices can be
found in the reference manual and datasheet for the specific device. This document does not provide
information on debug components, features, or operation.
This material is for microcontroller software and hardware engineers, including those who have no
experience of ARM products.
1.1.1 Typographical conventions
The typographical conventions used in this document are:
italic
Highlights important notes, introduces special terminology, denotes
internal cross-references, and citations.
bold
Denotes signal names. Also used for terms in descriptive lists, where
appropriate.
< and >
Enclose replaceable terms for assembler syntax where they appear
in code or code fragments. For example:
LDRSB<cond> <Rt>, [<Rn>, #<offset>]
1.2 About the EFM32 Cortex-M3 processor and core peripherals
The EFM32 Cortex-M3 processor is a high performance 32-bit processor designed for the
microcontroller market. It offers significant benefits to developers, including:
outstanding processing performance combined with fast interrupt handling
enhanced system debug with extensive breakpoint and trace capabilities
efficient processor core, system and memories
ultra-low power consumption with integrated sleep modes
platform security, with integrated memory protection unit (MPU). Only available in some devices.
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