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参数资料
型号： EFM32-TG-STK3300
厂商： Energy Micro
文件页数： 79/136页
文件大小： 0K
描述： KIT STARTER EFM32 GECKO
特色产品： EFM32 Tiny Gecko
标准包装： 1
系列： EFM®32
类型： MCU
适用于相关产品： EFM32-TGXXX
所含物品： 板，线缆，CD 和文档
其它名称： 914-1018
...the world's most energy friendly microcontrollers
2011-02-04 - d0002_Rev1.00
47
www.energymicro.com
op{type}{cond} Rt, [Rn, #offset]!
; pre-indexed
op{type}{cond} Rt, [Rn], #offset
; post-indexed
opD{cond} Rt, Rt2, [Rn {, #offset}]
; immediate offset, two words
opD{cond} Rt, Rt2, [Rn, #offset]!
; pre-indexed, two words
opD{cond} Rt, Rt2, [Rn], #offset
; post-indexed, two words
where:
op
is one of:
LDR
Load Register.
STR
Store Register.
type
is one of:
B
unsigned byte, zero extend to 32 bits on loads.
SB
signed byte, sign extend to 32 bits (LDR only).
H
unsigned halfword, zero extend to 32 bits on loads.
SH
signed halfword, sign extend to 32 bits (LDR only).
#
omit, for word.
cond
is an optional condition code, see Section 3.3.7 (p. 43) .
Rt
is the register to load or store.
Rn
is the register on which the memory address is based.
offset
is an offset from Rn. If offset is omitted, the address is the contents of Rn.
Rt2
is the additional register to load or store for two-word operations.
3.4.2.2 Operation
LDR
instructions load one or two registers with a value from memory.
STR
instructions store one or two register values to memory.
Load and store instructions with immediate offset can use the following addressing modes:
Offset addressing
The offset value is added to or subtracted from the address obtained
from the register Rn. The result is used as the address for the memory
access. The register Rn is unaltered. The assembly language syntax
for this mode is:
[Rn, #offset]
Pre-indexed addressing
The offset value is added to or subtracted from the address obtained
from the register Rn. The result is used as the address for the memory
access and written back into the register Rn. The assembly language
syntax for this mode is:
[Rn, #offset]!
Post-indexed addressing
The address obtained from the register Rn is used as the address
for the memory access. The offset value is added to or subtracted
from the address, and written back into the register Rn. The assembly
language syntax for this mode is:
[Rn], #offset
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相关代理商/技术参数
参数描述
EFM32TG-STK3300 制造商:Energy Micro AS 功能描述:STARTER KIT STK3300 TINY GEC 制造商:Energy Micro AS 功能描述:STARTER KIT, STK3300, TINY GECKO; Silicon Manufacturer:Energy Micro; Core Architecture:ARM; Core Sub-Architecture:Cortex-M3; Silicon Core Number:EFM32TG840; Silicon Family Name:EFM32; Kit Contents:Starter Kit EFM32TG840; SVHC:No SVHC;RoHS Compliant: Yes
EFM32WG230F128 功能描述:ARM微控制器 - MCU 128kb flash 32kb RAM RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 处理器系列:STM32F373xx 数据总线宽度:32 bit 最大时钟频率:72 MHz 程序存储器大小:256 KB 数据 RAM 大小:32 KB 片上 ADC:Yes 工作电源电压:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:LQFP-48 安装风格:SMD/SMT
EFM32WG230F128-QFN64 制造商:Energy Micro AS 功能描述:32 BIT ARM MPU, WONDER GECKO - Tape and Reel 制造商:Energy Micro AS 功能描述:IC MCU 32BIT 128KB FLASH 64QFN
EFM32WG230F128-QFN64T 制造商:Energy Micro AS 功能描述:WONDER GECKO 32 BIT ARM CORTEX MCU - Trays
EFM32WG230F128-QFN64-T 制造商:Energy Micro AS 功能描述:IC MCU 32BIT 128KB FLASH 64QFN
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