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參數(shù)資料
型號： EFM32-TG840F32-SK
廠商： Energy Micro
文件頁數(shù)： 79/136頁
文件大小： 0K
描述： IC MICRO KIT GECKO 64QFN
標(biāo)準(zhǔn)包裝： 1
系列： Tiny Gecko
套件類型： 微控制器
值： 2 件 - 閃存 - 32KB
包裝： 紙板盒
安裝類型： 表面貼裝
包括封裝： 64-QFN
工具箱內(nèi)容： (2) 914-1036-2-ND - MCU 32BIT 32KB FLASH 64-QFN
其它名稱： 914-1020
...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
相關(guān)PDF資料
PDF描述
EFM32-TG822F32-SK IC MICRO KIT GECKO 48LQFP
EFM32-TG222F32-SK IC MICRO KIT GECKO 48LQFP
EFM32-TG230F32-SK IC MICRO KIT GECKO 64QFN
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1267 X 6" TAPE ALUMINUM FOIL 6" X 1FT
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EFM32TG840F32-T 制造商:Energy Micro AS 功能描述:IC MCU 32BIT 32KB FLASH 64QFN
EFM32TG840F8 功能描述:ARM微控制器 - MCU 8KB Flash 2KB RAM RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:72 MHz 程序存儲(chǔ)器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風(fēng)格:SMD/SMT
EFM32TG840F8-QFN64 制造商:Energy Micro AS 功能描述:8 FLASH, USART + UART 2, QFN64 - Tape and Reel 制造商:Energy Micro AS 功能描述:IC MCU 32BIT 8KB FLASH 64QFN
EFM32TG840F8-QFN64T 制造商:Energy Micro AS 功能描述:32 BIT ARM MPU, TINY GECKO - Trays
EFM32TG840F8-QFN64-T 制造商:Energy Micro AS 功能描述:IC MCU 32BIT 8KB FLASH 64QFN
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