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參數(shù)資料
| 型號： | EFM32-TG822F32-SK |
| 廠商： | Energy Micro |
| 文件頁數(shù)： | 60/136頁 |
| 文件大小： | 0K |
| 描述： | IC MICRO KIT GECKO 48LQFP |
| 標準包裝： | 1 |
| 系列： | Tiny Gecko |
| 套件類型： | 微控制器 |
| 值： | 2 件 - 閃存 - 32KB |
| 包裝： | 紙板盒 |
| 安裝類型： | 表面貼裝 |
| 包括封裝： | 48-LQFP |
| 其它名稱： | 914-1023 |
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...the world's most energy friendly microcontrollers
2011-02-04 - d0002_Rev1.00
3
www.energymicro.com
Figure 1.1. EFM32 Cortex-M3 implementation
Processor
core
NVIC
Debug
Access
Port
Mem ory
prot ect ion unit
WIC
Serial
Wire
viewer
Bus m at rix
Code
int erface
SRAM and
peripheral int erface
Dat a
wat chpoint s
Flash
pat ch
EFM32 Cort ex-M3
processor
Em bedded Trace
Macrocell
The Cortex-M3 processor is built on a high-performance processor core, with a 3-stage pipeline Harvard
architecture, making it ideal for demanding embedded applications. The processor delivers exceptional
power efficiency through an efficient instruction set and extensively optimized design, providing high-
end processing hardware including single-cycle 32x32 multiplication and dedicated hardware division.
To facilitate the design of cost-sensitive devices, the Cortex-M3 processor implements tightly-coupled
system components that reduce processor area while significantly improving interrupt handling and
system debug capabilities. The Cortex-M3 processor implements a version of the Thumb instruction
set, ensuring high code density and reduced program memory requirements. The Cortex-M3 instruction
set provides the exceptional performance expected of a modern 32-bit architecture, with the high code
density of 8-bit and 16-bit microcontrollers.
The Cortex-M3 processor closely integrates a configurable nested interrupt controller (NVIC), to deliver
industry-leading interrupt performance. The NVIC includes a non-maskable interrupt (NMI), and provides
up to 8 interrupt priority levels. The tight integration of the processor core and NVIC provides fast
execution of interrupt service routines (ISRs), dramatically reducing the interrupt latency. This is
achieved through the hardware stacking of registers, and the ability to suspend load-multiple and store-
multiple operations. Interrupt handlers do not require any assembler stubs, removing any code overhead
from the ISRs. Tail-chaining optimization also significantly reduces the overhead when switching from
one ISR to another.
To optimize low-power designs, the NVIC integrates with the sleep modes, that include a deep sleep
function that enables the entire device to be rapidly powered down.
1.2.1 System level interface
The Cortex-M3 processor provides multiple interfaces using AMBA technology to provide high
speed, low latency memory accesses. It supports unaligned data accesses and implements atomic bit
manipulation that enables faster peripheral controls, system spinlocks and thread-safe Boolean data
handling.
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| 1267 X 6" | TAPE ALUMINUM FOIL 6" X 1FT |
| 7810 0.25MM | ECAP COND PAD .25MM 7.7" X 10" |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| EFM32TG822F32-T | 制造商:Energy Micro AS 功能描述:IC MCU 32BIT 32KB FLASH 48TQFP |
| EFM32TG822F8 | 功能描述:ARM微控制器 - MCU 8KB Flash 2KB RAM RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:72 MHz 程序存儲器大小:256 KB 數(shù)據(jù) 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 |
| EFM32TG822F8-QFP48 | 制造商:Energy Micro AS 功能描述:TINY GECKO MCU - Tape and Reel 制造商:Energy Micro AS 功能描述:IC MCU 32BIT 8KB FLASH 48TQFP |
| EFM32TG822F8-QFP48T | 制造商:Energy Micro AS 功能描述:32 BIT ARM MPU, TINY GECKO - Trays |
| EFM32TG822F8-QFP48-T | 制造商:Energy Micro AS 功能描述:IC MCU 32BIT 8KB FLASH 48TQFP |
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