參數(shù)資料
型號: EFM32G842F128
廠商: Energy Micro
文件頁數(shù): 89/136頁
文件大小: 0K
描述: IC MCU 32BIT 128KB FLASH 64LQFP
標(biāo)準(zhǔn)包裝: 1
系列: 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,LCD,POR,PWM,WDT
輸入/輸出數(shù): 53
程序存儲器容量: 128KB(128K x 8)
程序存儲器類型: 閃存
RAM 容量: 16K x 8
電壓 - 電源 (Vcc/Vdd): 1.8 V ~ 3.8 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x12b,D/A 2x12b
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 64-TQFP
包裝: 標(biāo)準(zhǔn)包裝
其它名稱: 914-1028-6
...the world's most energy friendly microcontrollers
2011-02-04 - d0002_Rev1.00
56
www.energymicro.com
3.4.9 CLREX
Clear Exclusive.
3.4.9.1 Syntax
CLREX{cond}
where:
cond
is an optional condition code, see Section 3.3.7 (p. 43) .
3.4.9.2 Operation
Use CLREX to make the next STREX, STREXB, or STREXH instruction write 1 to its destination register and
fail to perform the store. It is useful in exception handler code to force the failure of the store exclusive if
the exception occurs between a load exclusive instruction and the matching store exclusive instruction
in a synchronization operation.
See Section 2.2.7 (p. 20) for more information.
3.4.9.3 Condition flags
These instructions do not change the flags.
3.4.9.4 Examples
CLREX
3.5 General data processing instructions
Table 3.8 (p. 56) shows the data processing instructions:
Table 3.8. Data processing instructions
Mnemonic
Brief description
See
ADC
Add with Carry
ADD
Add
ADDW
Add
AND
Logical AND
ASR
Arithmetic Shift Right
BIC
Bit Clear
CLZ
Count leading zeros
CMN
Compare Negative
CMP
Compare
EOR
Exclusive OR
LSL
Logical Shift Left
LSR
Logical Shift Right
MOV
Move
MOVT
Move Top
MOVW
Move 16-bit constant
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EFM32G842F128G-E-QFP64 功能描述:128K FLASH, 16K RAM, 4X22 LCD, A 制造商:silicon labs 系列:Gecko 包裝:托盤 零件狀態(tài):在售 核心處理器:ARM? Cortex?-M3 核心尺寸:32-位 速度:32MHz 連接性:I2C,IrDA,智能卡,SPI,UART/USART 外設(shè):欠壓檢測/復(fù)位,DMA,LCD,POR,PWM,WDT I/O 數(shù):53 程序存儲容量:128KB(128K x 8) 程序存儲器類型:閃存 EEPROM 容量:- RAM 容量:16K x 8 電壓 - 電源(Vcc/Vdd):1.98 V ~ 3.8 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 8x12b,D/A 2x12b 振蕩器類型:內(nèi)部 工作溫度:-40°C ~ 85°C(TA) 封裝/外殼:64-TQFP 供應(yīng)商器件封裝:64-TQFP(10x10) 標(biāo)準(zhǔn)包裝:160
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