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EFM32WG230F256-QFN64 产品封装文件 - Silicon Labs（芯科）
制造商:
Silicon Labs（芯科）
分类:
微控制器
封装:
QFN-64
描述:
ARM MCU微控制单元, EFM32 Family EFM32WG Series Microcontrollers, ARM 皮质-M4, 32位, 48 MHz, 256 KB, 32 KB
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EFM32WG230F256-QFN64数据手册
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...the world's most energy friendly microcontrollers
2014-06-13 - EFM32WG230FXX - d0185_Rev1.40 3
www.silabs.com
2 System Summary
2.1 System Introduction
The EFM32 MCUs are the world’s most energy friendly microcontrollers. With a unique combination of
the powerful 32-bit ARM Cortex-M4, with DSP instruction support and floating-point unit, innovative low
energy techniques, short wake-up time from energy saving modes, and a wide selection of peripherals,
the EFM32WG microcontroller is well suited for any battery operated application as well as other systems
requiring high performance and low-energy consumption. This section gives a short introduction to each
of the modules in general terms and also shows a summary of the configuration for the EFM32WG230
devices. For a complete feature set and in-depth information on the modules, the reader is referred to
the EFM32WG Reference Manual.
A block diagram of the EFM32WG230 is shown in Figure 2.1 (p. 3) .
Figure 2.1. Block Diagram
Clock Management
Energy Management
Serial Interfaces
I/ O Ports
Core and Memory
Timers and Triggers
Analog Interfaces
Security
32- bit bus
Peripheral Reflex System
ARM Cortex™ M4 processor
with DSP extensions and FPU
Flash
Program
Memory
LESENSE
High Freq.
RC
Oscillator
High Freq.
Crystal
Oscillator
Timer/
Counter
Low Energy
Timer
Pulse
Counter
Real Time
Counter
Low Freq.
Crystal
Oscillator
Low Freq.
RC
Oscillator
Watchdog
Timer
RAM
Memory
General
Purpose
I/ O
Memory
Protection
Unit
DMA
Controller
Debug
Interface
w/ ETM
External
Interrupts
Pin
Reset
Hardware
AES
WG230F64/ 128/ 256
ADC
DAC
Operational
Amplifier
USART
I
2
C
Power- on
Reset
Voltage
Regulator
Back- up
Power
Domain
Voltage
Comparator
Brown- out
Detector
Back- up
RTC
Analog
Comparator
Low
Energy
Uart™
Aux High Freq.
RC
Oscillator
Pin
Wakeup
Ultra Low Freq.
RC
Oscillator
2.1.1 ARM Cortex-M4 Core
The ARM Cortex-M4 includes a 32-bit RISC processor, with DSP instruction support and floating-point
unit, which can achieve as much as 1.25 Dhrystone MIPS/MHz. A Memory Protection Unit with support
for up to 8 memory segments is included, as well as a Wake-up Interrupt Controller handling interrupts
triggered while the CPU is asleep. The EFM32 implementation of the Cortex-M4 is described in detail
in ARM Cortex-M4 Devices Generic User Guide.
2.1.2 Debug Interface (DBG)
This device includes hardware debug support through a 2-pin serial-wire debug interface and an Embed-
ded Trace Module (ETM) for data/instruction tracing. In addition there is also a 1-wire Serial Wire Viewer
pin which can be used to output profiling information, data trace and software-generated messages.
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