參數(shù)資料
型號: EFM32TG822F32
廠商: Energy Micro
文件頁數(shù): 78/136頁
文件大?。?/td> 0K
描述: IC MCU 32BIT 32KB FLASH 48LQFP
特色產(chǎn)品: EFM32 Tiny Gecko
標(biāo)準(zhǔn)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: I²C,IrDA,智能卡,SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,DMA,I²S,LCD,POR,PWM,WDT
輸入/輸出數(shù): 37
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(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(biāo)準(zhǔn)包裝
其它名稱: 914-1031-6
...the world's most energy friendly microcontrollers
2011-02-04 - d0002_Rev1.00
46
www.energymicro.com
Mnemonic
Brief description
See
STR{type}
Store Register using register offset
STR{type}T
Store Register with unprivileged access
STREX{type}
Store Register Exclusive
3.4.1 ADR
Load PC-relative address.
3.4.1.1 Syntax
ADR{cond} Rd, label
where:
cond
is an optional condition code, see Section 3.3.7 (p. 43) .
Rd
is the destination register.
label
is a PC#relative expression. See Section 3.3.6 (p. 42) .
3.4.1.2 Operation
ADR
determines the address by adding an immediate value to the PC, and writes the result to the
destination register.
ADR
produces position#independent code, because the address is PC#relative.
If you use ADR to generate a target address for a BX or BLX instruction, you must ensure that bit[0] of
the address you generate is set to1 for correct execution.
Values of label must be within the range of #4095 to +4095 from the address in the PC.
Note
You might have to use the .W suffix to get the maximum offset range or to generate
addresses that are not word-aligned. See Section 3.3.8 (p. 45) .
3.4.1.3 Restrictions
Rd
must not be SP and must not be PC.
3.4.1.4 Condition flags
This instruction does not change the flags.
3.4.1.5 Examples
ADR
R1, TextMessage
; Write address value of a location labelled as
; TextMessage to R1
3.4.2 LDR and STR, immediate offset
Load and Store with immediate offset, pre-indexed immediate offset, or post-indexed immediate offset.
3.4.2.1 Syntax
op{type}{cond} Rt, [Rn {, #offset}]
; immediate offset
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