參數資料
型號: EFM32G842F128
廠商: Energy Micro
文件頁數: 122/136頁
文件大小: 0K
描述: IC MCU 32BIT 128KB FLASH 64LQFP
標準包裝: 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
外圍設備: 欠壓檢測/復位,DMA,LCD,POR,PWM,WDT
輸入/輸出數: 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
數據轉換器: 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: 標準包裝
其它名稱: 914-1028-6
...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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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:欠壓檢測/復位,DMA,LCD,POR,PWM,WDT I/O 數: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 數據轉換器:A/D 8x12b,D/A 2x12b 振蕩器類型:內部 工作溫度:-40°C ~ 85°C(TA) 封裝/外殼:64-TQFP 供應商器件封裝:64-TQFP(10x10) 標準包裝:160
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