參數(shù)資料
型號: EFM32TG210F32
廠商: Energy Micro
文件頁數(shù): 122/136頁
文件大?。?/td> 0K
描述: MCU 32BIT 32KB FLASH 32-QFN
特色產品: EFM32 Tiny Gecko
標準包裝: 1
系列: Tiny Gecko
核心處理器: ARM? Cortex?-M3
芯體尺寸: 32-位
速度: 32MHz
連通性: EBI/EMI,I²C,IrDA,智能卡,SPI,UART/USART
外圍設備: 欠壓檢測/復位,DMA,POR,PWM,WDT
輸入/輸出數(shù): 24
程序存儲器容量: 32KB(32K x 8)
程序存儲器類型: 閃存
RAM 容量: 4K x 8
電壓 - 電源 (Vcc/Vdd): 1.8 V ~ 3.8 V
數(shù)據(jù)轉換器: A/D 4x12b,D/A 1x12b
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 32-VQFN 裸露焊盤
包裝: 標準包裝
其它名稱: 914-1034-6
...the world's most energy friendly microcontrollers
2011-02-04 - d0002_Rev1.00
86
www.energymicro.com
; by locating it via the stacked PC)
3.10.11 WFE
Wait For Event.
3.10.11.1 Syntax
WFE{cond}
where:
cond
is an optional condition code, see Section 3.3.7 (p. 43) .
3.10.11.2 Operation
WFE
is a hint instruction.
If the event register is 0, WFE suspends execution until one of the following events occurs:
an exception, unless masked by the exception mask registers or the current priority level
an exception enters the Pending state, if SEVONPEND in the System Control Register is set
a Debug Entry request, if Debug is enabled
an event signaled by a peripheral or another processor in a multiprocessor system using the SEV
instruction.
If the event register is 1, WFE clears it to 0 and returns immediately.
For more information see Section 2.5 (p. 30) .
3.10.11.3 Condition flags
This instruction does not change the flags.
3.10.11.4 Examples
WFE
; Wait for event
3.10.12 WFI
Wait for Interrupt.
3.10.12.1 Syntax
WFI{cond}
where:
cond
is an optional condition code, see Section 3.3.7 (p. 43) .
3.10.12.2 Operation
WFI
is a hint instruction that suspends execution until one of the following events occurs:
an exception
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