參數(shù)資料
型號: EFM32G222F128
廠商: Energy Micro
文件頁數(shù): 114/136頁
文件大?。?/td> 0K
描述: IC MCU 32BIT 128KB FLASH 48LQFP
特色產(chǎn)品: EFM32 Gecko
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(shè)備: 欠壓檢測/復(fù)位,DMA,POR,PWM,WDT
輸入/輸出數(shù): 37
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 4x12b,D/A 1x12b
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 48-TQFP
包裝: 標準包裝
其它名稱: 914-1027-6
...the world's most energy friendly microcontrollers
2011-02-04 - d0002_Rev1.00
79
www.energymicro.com
Rm must not be SP and must not be PC
when any of these instructions is used inside an IT block, it must be the last instruction of the IT block.
3.9.4.4 Condition flags
These instructions do not change the flags.
3.9.4.5 Examples
ADR.W
R0, BranchTable_Byte
TBB
[R0, R1]
; R1 is the index, R0 is the base address of the
; branch table
Case1
; an instruction sequence follows
Case2
; an instruction sequence follows
Case3
; an instruction sequence follows
BranchTable_Byte
DCB
0
; Case1 offset calculation
DCB
((Case2-Case1)/2)
; Case2 offset calculation
DCB
((Case3-Case1)/2)
; Case3 offset calculation
TBH
[PC, R1, LSL #1]
; R1 is the index, PC is used as base of the
; branch table
BranchTable_H
DCI
((CaseA - BranchTable_H)/2)
; CaseA offset calculation
DCI
((CaseB - BranchTable_H)/2)
; CaseB offset calculation
DCI
((CaseC - BranchTable_H)/2)
; CaseC offset calculation
CaseA
; an instruction sequence follows
CaseB
; an instruction sequence follows
CaseC
; an instruction sequence follows
3.10 Miscellaneous instructions
Table 3.13 (p. 79) shows the remaining Cortex-M3 instructions:
Table 3.13. Miscellaneous instructions
Mnemonic
Brief description
See
BKPT
Breakpoint
CPSID
Change Processor State, Disable Interrupts
CPSIE
Change Processor State, Enable Interrupts
DMB
Data Memory Barrier
DSB
Data Synchronization Barrier
ISB
Instruction Synchronization Barrier
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EFM32G222F128G-E-QFP48R 功能描述:128K FLASH, 16K RAM, AES 制造商:silicon labs 系列:Gecko 包裝:剪切帶(CT) 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,POR,PWM,WDT I/O 數(shù):37 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 4x12b,D/A 1x12b 振蕩器類型:內(nèi)部 工作溫度:-40°C ~ 85°C(TA) 封裝/外殼:48-TQFP 供應(yīng)商器件封裝:48-TQFP(7x7) 標準包裝:1
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