參數(shù)資料
型號： EFM32G232F128
廠商： Energy Micro
文件頁數(shù)： 85/136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(shè)備： 欠壓檢測/復(fù)位，DMA，POR，PWM，WDT
輸入/輸出數(shù)： 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(shù)據(jù)轉(zhuǎn)換器： A/D 8x12b，D/A 1x12b
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： 914-1026-6
...the world's most energy friendly microcontrollers
2011-02-04 - d0002_Rev1.00
52
www.energymicro.com
if the instruction is conditional, it must be the last instruction in the IT block.
3.4.5.4 Condition flags
These instructions do not change the flags.
3.4.5.5 Examples
LDR
R0, LookUpTable
; Load R0 with a word of data from an address
; labelled as LookUpTable
LDRSB
R7, localdata
; Load a byte value from an address labelled
; as localdata, sign extend it to a word
; value, and put it in R7
3.4.6 LDM and STM
Load and Store Multiple registers.
3.4.6.1 Syntax
op{addr_mode}{cond} Rn{!}, reglist
where:
op
is one of:
LDM
Load Multiple registers.
STM
Store Multiple registers.
addr_mode
is any one of the following:
IA
Increment address After each access. This is the default.
DB
Decrement address Before each access.
cond
is an optional condition code, see Section 3.3.7 (p. 43) .
Rn
is the register on which the memory addresses are based.
!
is an optional writeback suffix. If ! is present the final address, that is loaded from or
stored to, is written back into Rn.
reglist
is a list of one or more registers to be loaded or stored, enclosed in braces. It can contain
register ranges. It must be comma separated if it contains more than one register or
register range, see Section 3.4.6.5 (p. 53) .
LDM
and LDMFD are synonyms for LDMIA. LDMFD refers to its use for popping data from Full Descending
stacks.
LDMEA
is a synonym for LDMDB, and refers to its use for popping data from Empty Ascending stacks.
STM
and STMEA are synonyms for STMIA. STMEA refers to its use for pushing data onto Empty Ascending
stacks.
STMFD
is s synonym for STMDB, and refers to its use for pushing data onto Full Descending stacks
3.4.6.2 Operation
LDM
instructions load the registers in reglist with word values from memory addresses based on Rn.
STM
instructions store the word values in the registers in reglist to memory addresses based on Rn.
For LDM, LDMIA, LDMFD, STM, STMIA, and STMEA the memory addresses used for the accesses are
at 4-byte intervals ranging from Rn to Rn + 4 * (n-1), where n is the number of registers in reglist.
The accesses happens in order of increasing register numbers, with the lowest numbered register using
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EFM32G232F128G-E-QFP64R 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):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(shù)據(jù)轉(zhuǎn)換器:A/D 8x12b，D/A 1x12b 振蕩器類型:內(nèi)部 工作溫度:-40°C ~ 85°C（TA） 封裝/外殼:64-TQFP 供應(yīng)商器件封裝:64-TQFP（10x10） 標準包裝:1
EFM32G232F128-QFP64 制造商:Energy Micro AS 功能描述:GECKO MCU - Tape and Reel 制造商:Energy Micro AS 功能描述:IC MCU 32BIT 128KB FLASH 64TQFP
EFM32G232F128-QFP64T 制造商:Energy Micro AS 功能描述:32 BIT ARM MPU, GECKO - Trays
EFM32G232F128-QFP64-T 制造商:Energy Micro AS 功能描述:IC MCU 32BIT 128KB FLASH 64TQFP
EFM32G232F128-T 制造商:Energy Micro AS 功能描述:IC MCU 32BIT 128KB FLASH 64TQFP
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