參數(shù)資料
型號： EFM32G842F128
廠商： Energy Micro
文件頁數(shù)： 86/136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
外圍設備： 欠壓檢測/復位，DMA，LCD，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)轉換器： A/D 8x12b，D/A 2x12b
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： 914-1028-6
...the world's most energy friendly microcontrollers
2011-02-04 - d0002_Rev1.00
53
www.energymicro.com
the lowest memory address and the highest number register using the highest memory address. If the
writeback suffix is specified, the value of Rn + 4 * (n-1) is written back to Rn.
For LDMDB, LDMEA, STMDB, and STMFD 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
happen in order of decreasing register numbers, with the highest numbered register using the highest
memory address and the lowest number register using the lowest memory address. If the writeback
suffix is specified, the value of Rn - 4 * (n-1) is written back to Rn.
The PUSH and POP instructions can be expressed in this form. See Section 3.4.7 (p. 53) for details.
3.4.6.3 Restrictions
In these instructions:
Rn must not be PC
reglist must not contain SP
in any STM instruction, reglist must not contain PC
in any LDM instruction, reglist must not contain PC if it contains LR
reglist must not contain Rn if you specify the writeback suffix.
When PC is in reglist in an LDM instruction:
bit[0] of the value loaded to the PC must be 1 for correct execution, and a branch occurs to this
halfword-aligned address
if the instruction is conditional, it must be the last instruction in the IT block.
3.4.6.4 Condition flags
These instructions do not change the flags.
3.4.6.5 Examples
LDM
R8,{R0,R2,R9}
; LDMIA is a synonym for LDM
STMDB
R1!,{R3#R6,R11,R12}
3.4.6.6 Incorrect examples
STM
R5!,{R5,R4,R9} ; Value stored for R5 is unpredictable
LDM
R2, {}
; There must be at least one register in the list
3.4.7 PUSH and POP
Push registers onto, and pop registers off a full-descending stack.
3.4.7.1 Syntax
PUSH{cond} reglist
POP{cond} reglist
where:
cond
is an optional condition code, see Section 3.3.7 (p. 43) .
reglist
is a non-empty list of registers, enclosed in braces. It can contain register ranges. It must be
comma separated if it contains more than one register or register range.
相關PDF資料
PDF描述
LPC11U24FET48/301, MCU USB 48TFBGA
5787761-6 CONN RCPT USB TYPE A PCB R/A
5787761-3 CONN RCPT USB TYPE A PCB R/A
1-1939054-2 CONN PLUG MICRO USB B SOLDER
1-1939054-1 CONN PLUG MICRO USB B SOLDER
相關代理商/技術參數(shù)
參數(shù)描述
EFM32G842F128G-E-QFP64 功能描述:128K FLASH, 16K RAM, 4X22 LCD, A 制造商:silicon labs 系列:Gecko 包裝:托盤 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:欠壓檢測/復位，DMA，LCD，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)轉換器:A/D 8x12b，D/A 2x12b 振蕩器類型:內部 工作溫度:-40°C ~ 85°C（TA） 封裝/外殼:64-TQFP 供應商器件封裝:64-TQFP（10x10） 標準包裝:160
EFM32G842F128-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
EFM32G842F128-QFP64T 制造商:Energy Micro AS 功能描述:32 BIT ARM MPU, GECKO - Trays
EFM32G842F128-QFP64-T 制造商:Energy Micro AS 功能描述:IC MCU 32BIT 128KB FLASH 64TQFP
EFM32G842F128-T 制造商:Energy Micro AS 功能描述:IC MCU 32BIT 128KB FLASH 64TQFP
發(fā)布緊急采購，3分鐘左右您將得到回復。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*