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參數資料
型號： EFM32-TG108F32-SK
廠商： Energy Micro
文件頁數： 35/136頁
文件大小： 0K
描述： IC MICRO KIT GECKO 24QFN
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： 24-QFN
工具箱內容： (2) 914-1032-2-ND - MCU 32BIT 32KB FLASH 24-QFN
其它名稱： 914-1025
...the world's most energy friendly microcontrollers
2011-02-04 - d0002_Rev1.00
13
www.energymicro.com
Table 2.10. CONTROL register bit assignments
Bits
Name
Function
[31:2]
-
Reserved
[1]
Active stack pointer
Defines the current stack:
0 = MSP is the current stack pointer
1 = PSP is the current stack pointer.
In Handler mode this bit reads as zero and ignores writes.
[0]
Thread mode privilege level
Defines the Thread mode privilege level:
0 = privileged1 = unprivileged.
Handler mode always uses the MSP, so the processor ignores explicit writes to the active stack pointer
bit of the CONTROL register when in Handler mode. The exception entry and return mechanisms update
the CONTROL register.
In an OS environment, it is recommended that threads running in Thread mode use the process stack
and the kernel and exception handlers use the main stack.
By default, Thread mode uses the MSP. To switch the stack pointer used in Thread mode to the PSP,
use the MSR instruction to set the Active stack pointer bit to 1, see Section 3.10.7 (p. 83) .
Note
When changing the stack pointer, software must use an ISB instruction immediately after
the MSR instruction. This ensures that instructions after the ISB execute using the new stack
2.1.4 Exceptions and interrupts
The Cortex-M3 processor supports interrupts and system exceptions. The processor and the Nested
Vectored Interrupt Controller (NVIC) prioritize and handle all exceptions. An exception changes the
normal flow of software control. The processor uses handler mode to handle all exceptions except for
reset. See Section 2.3.7.1 (p. 27) and Section 2.3.7.2 (p. 27) for more information.
The NVIC registers control interrupt handling. See Section 4.2 (p. 88) for more information.
2.1.5 Data types
The processor:
supports the following data types:
32-bit words
16-bit halfwords
8-bit bytes
supports 64-bit data transfer instructions.
manages all data memory accesses as little-endian. See Section 2.2.1 (p. 15) for more information.
2.1.6 The Cortex Microcontroller Software Interface Standard
For a Cortex-M3 microcontroller system, the Cortex Microcontroller Software Interface Standard
(CMSIS) defines:
a common way to:
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相關代理商/技術參數
參數描述
EFM32TG108F32-T 制造商:Energy Micro AS 功能描述:IC MCU 32BIT 32KB FLASH 24QFN
EFM32TG108F4 功能描述:ARM微控制器 - MCU 4KB Flash 1KB RAM RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數據總線寬度:32 bit 最大時鐘頻率:72 MHz 程序存儲器大小:256 KB 數據 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
EFM32TG108F4-QFN24 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 4KB FLASH 24QFN
EFM32TG108F4-QFN24T 制造商:Energy Micro AS 功能描述:32 BIT ARM MPU, TINY GECKO - Trays
EFM32TG108F4-QFN24-T 制造商:Energy Micro AS 功能描述:IC MCU 32BIT 4KB FLASH 24QFN
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