參數(shù)資料
型號： EFM32TG210F32
廠商： Energy Micro
文件頁數(shù)： 76/136頁
文件大小： 0K
描述： MCU 32BIT 32KB FLASH 32-QFN
特色產(chǎn)品： EFM32 Tiny Gecko
標(biāo)準(zhǔn)包裝： 1
系列： Tiny Gecko
核心處理器： ARM? Cortex?-M3
芯體尺寸： 32-位
速度： 32MHz
連通性： EBI/EMI，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)： 24
程序存儲器容量： 32KB（32K x 8）
程序存儲器類型： 閃存
RAM 容量： 4K x 8
電壓 - 電源 (Vcc/Vdd)： 1.8 V ~ 3.8 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 4x12b，D/A 1x12b
振蕩器型： 外部
工作溫度： -40°C ~ 85°C
封裝/外殼： 32-VQFN 裸露焊盤
包裝： 標(biāo)準(zhǔn)包裝
其它名稱： 914-1034-6
...the world's most energy friendly microcontrollers
2011-02-04 - d0002_Rev1.00
44
www.energymicro.com
if the result of an addition is greater than or equal to 2
32
if the result of a subtraction is positive or zero
as the result of an inline barrel shifter operation in a move or logical instruction.
Overflow occurs if the result of an add, subtract, or compare is greater than or equal to 2
31, or less
than –2
31.
Note
Most instructions update the status flags only if the S suffix is specified. See the instruction
descriptions for more information.
3.3.7.2 Condition code suffixes
The instructions that can be conditional have an optional condition code, shown in syntax descriptions
as {cond}. Conditional execution requires a preceding IT instruction. An instruction with a condition
code is only executed if the condition code flags in the APSR meet the specified condition. Table 3.4 (p.
44) shows the condition codes to use.
You can use conditional execution with the IT instruction to reduce the number of branch instructions
in code.
Table 3.4 (p. 44) also shows the relationship between condition code suffixes and the N, Z, C, and
V flags.
Table 3.4. Condition code suffixes
Suffix
Flags
Meaning
EQ
Z = 1
Equal
NE
Z = 0
Not equal
CS or
HS
C = 1
Higher or same, unsigned #
CC or
LO
C = 0
Lower, unsigned <
MI
N = 1
Negative
PL
N = 0
Positive or zero
VS
V = 1
Overflow
VC
V = 0
No overflow
HI
C = 1 and Z = 0
Higher, unsigned >
LS
C = 0 or Z = 1
Lower or same, unsigned #
GE
N = V
Greater than or equal, signed #
LT
N != V
Less than, signed <
GT
Z = 0 and N = V
Greater than, signed >
LE
Z = 1 and N != V
Less than or equal, signed #
AL
Can have any value
Always. This is the default when no suffix is specified.
Example 3.1 (p. 44) shows the use of a conditional instruction to find the absolute value of a number.
R0
= ABS(R1).
Example 3.1. Absolute value
MOVS
R0, R1
; R0 = R1, setting flags
IT
MI
; IT instruction for the negative condition
RSBMI
R0, R1, #0
; If negative, R0 = -R1
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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EFM32TG210F32-QFN32T 制造商:Energy Micro AS 功能描述:32 BIT ARM MPU, TINY GECKO - Trays
EFM32TG210F32-QFN32-T 制造商:Energy Micro AS 功能描述:IC MCU 32BIT 32KB FLASH 32QFN
EFM32-TG210F32-SK 功能描述:IC MICRO KIT GECKO 32QFN RoHS:是 類別:套件 >> 半導(dǎo)體產(chǎn)品 - IC 元件分類 系列:Tiny Gecko 其它有關(guān)文件:NXPLOGIC2-KIT-ND Contents 標(biāo)準(zhǔn)包裝:1 系列:74AUP 套件類型:邏輯 值:180 件 - 18 種值各 10 件 包裝:- 安裝類型:表面貼裝 包括封裝:6-XSON，8-XSON，8-XQFN 產(chǎn)品目錄頁面:2653 (CN2011-ZH PDF) 工具箱內(nèi)容:(10) 568-4391-1-ND - IC GATE MULT-FUNC CONFIG 6-XSON(10) 568-4390-1-ND - IC CONFIG MULT-FUNC GATE 6-XSON(10) 568-4389-1-ND - IC GATE DUAL FUNCTION 8-XSON(10) 568-4388-1-ND - IC GATE DUAL FUNCTION 8-XQFN(10) 568-4387-1-ND - IC F-F D-TYPE POS EDGE 8-XSON(10) 568-4386-1-ND - IC F-F D-TYPE POS EDGE 8-XQFN(10) 568-4385-1-ND - IC CONFIG MULTI-FUNC GATE 6-XSON(10) 568-4384-1-ND - IC EX-OR GATE 3-IN 6-XSON(10) 568-4383-1-ND - IC F-F D-TYPE POS EDGE 6-XSON(10) 568-4382-1-ND - IC LATCH D-TYPE 6-XSON更多... 其它名稱:NXPLOGIC2-KIT
EFM32TG210F32-T 制造商:Energy Micro AS 功能描述:IC MCU 32BIT 32KB FLASH 32QFN
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