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參數(shù)資料
型號: EFM32-TG840F32-SK
廠商: Energy Micro
文件頁數(shù): 68/136頁
文件大小: 0K
描述: IC MICRO KIT GECKO 64QFN
標(biāo)準(zhǔn)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: 64-QFN
工具箱內(nèi)容: (2) 914-1036-2-ND - MCU 32BIT 32KB FLASH 64-QFN
其它名稱: 914-1020
...the world's most energy friendly microcontrollers
2011-02-04 - d0002_Rev1.00
37
www.energymicro.com
Mnemonic
Operands
Brief description
Flags
Page
USAT
Rd, #n, Rm {,shift
#s}
Unsigned Saturate
Q
UXTB
{Rd,} Rm {,ROR #n}
Zero extend a byte
-
UXTH
{Rd,} Rm {,ROR #n}
Zero extend a halfword
-
WFE
-
Wait For Event
-
WFI
-
Wait For Interrupt
-
3.2 Intrinsic functions
ANSI cannot directly access some Cortex-M3 instructions. This section describes intrinsic functions that
can generate these instructions, provided by the CMIS and that might be provided by a C compiler. If
a C compiler does not support an appropriate intrinsic function, you might have to use inline assembler
to access some instructions.
The CMSIS provides the following intrinsic functions to generate instructions that ANSI cannot directly
access:
Table 3.2. CMSIS intrinsic functions to generate some Cortex-M3 instructions
Instruction
CMSIS intrinsic function
CPSIE I
void __enable_irq(void)
CPSID I
void __disable_irq(void)
CPSIE F
void __enable_fault_irq(void)
CPSID F
void
__disable_fault_irq(void)
ISB
void __ISB(void)
DSB
void __DSB(void)
DMB
void __DMB(void)
REV
uint32_t __REV(uint32_t int
value)
REV16
uint32_t __REV16(uint32_t int
value)
REVSH
uint32_t __REVSH(uint32_t int
value)
RBIT
uint32_t __RBIT(uint32_t int
value)
SEV
void __SEV(void)
WFE
void __WFE(void)
WFI
void __WFI(void)
The CMSIS also provides a number of functions for accessing the special registers using MRS and MSR
instructions:
Table 3.3. CMSIS intrinsic functions to access the special registers
Special register
Access
CMSIS function
PRIMASK
Read
uint32_t __get_PRIMASK (void)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EFM32TG840F32-T 制造商:Energy Micro AS 功能描述:IC MCU 32BIT 32KB FLASH 64QFN
EFM32TG840F8 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(fēng)格:SMD/SMT
EFM32TG840F8-QFN64 制造商:Energy Micro AS 功能描述:8 FLASH, USART + UART 2, QFN64 - Tape and Reel 制造商:Energy Micro AS 功能描述:IC MCU 32BIT 8KB FLASH 64QFN
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