參數資料
型號： EFM32-TG-STK3300
廠商： Energy Micro
文件頁數： 113/136頁
文件大?。?/td> 0K
描述： KIT STARTER EFM32 GECKO
特色產品： EFM32 Tiny Gecko
標準包裝： 1
系列： EFM®32
類型： MCU
適用于相關產品： EFM32-TGXXX
所含物品： 板，線纜，CD 和文檔
其它名稱： 914-1018
...the world's most energy friendly microcontrollers
2011-02-04 - d0002_Rev1.00
78
www.energymicro.com
ITTE
NE
; Next 3 instructions are conditional
ANDNE
R0, R0, R1
; ANDNE does not update condition flags
ADDSNE R2, R2, #1
; ADDSNE updates condition flags
MOVEQ
R2, R3
; Conditional move
CMP
R0, #9
; Convert R0 hex value (0 to 15) into ASCII
; ('0'-'9', 'A'-'F')
ITE
GT
; Next 2 instructions are conditional
ADDGT
R1, R0, #55
; Convert 0xA -> 'A'
ADDLE
R1, R0, #48
; Convert 0x0 -> '0'
IT
GT
; IT block with only one conditional instruction
ADDGT
R1, R1, #1
; Increment R1 conditionally
ITTEE
EQ
; Next 4 instructions are conditional
MOVEQ
R0, R1
; Conditional move
ADDEQ
R2, R2, #10
; Conditional add
ANDNE
R3, R3, #1
; Conditional AND
BNE.W
dloop
; Branch instruction can only be used in the last
; instruction of an IT block
IT
NE
; Next instruction is conditional
ADD
R0, R0, R1
; Syntax error: no condition code used in IT block
3.9.4 TBB and TBH
Table Branch Byte and Table Branch Halfword.
3.9.4.1 Syntax
TBB [Rn, Rm]
TBH [Rn, Rm, LSL #1]
where:
Rn
is the register containing the address of the table of branch lengths.
If Rn is PC, then the address of the table is the address of the byte immediately following the TBB
or TBH instruction.
Rm
is the index register. This contains an index into the table. For halfword tables, LSL #1 doubles
the value in Rm to form the right offset into the table.
3.9.4.2 Operation
These instructions cause a PC#relative forward branch using a table of single byte offsets for TBB, or
halfword offsets for TBH. Rn provides a pointer to the table, and Rm supplies an index into the table. For
TBB
the branch offset is twice the unsigned value of the byte returned from the table. and for TBH the
branch offset is twice the unsigned value of the halfword returned from the table. The branch occurs to
the address at that offset from the address of the byte immediately after the TBB or TBH instruction.
3.9.4.3 Restrictions
The restrictions are:
Rn must not be SP
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相關代理商/技術參數
參數描述
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 處理器系列:STM32F373xx 數據總線寬度:32 bit 最大時鐘頻率:72 MHz 程序存儲器大小:256 KB 數據 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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