參數(shù)資料
型號: EFM32TG232F32
廠商: Energy Micro
文件頁數(shù): 107/136頁
文件大?。?/td> 0K
描述: IC MCU 32BIT 32KB FLASH 64LQFP
特色產(chǎn)品: EFM32 Tiny Gecko
標準包裝: 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: I²C,IrDA,智能卡,SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,DMA,I²S,POR,PWM,WDT
輸入/輸出數(shù): 53
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 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: 914-1030-6
...the world's most energy friendly microcontrollers
2011-02-04 - d0002_Rev1.00
72
www.energymicro.com
3.8.1.5 Examples
BFC
R4, #8, #12
; Clear bit 8 to bit 19 (12 bits) of R4 to 0
BFI
R9, R2, #8, #12
; Replace bit 8 to bit 19 (12 bits) of R9 with
; bit 0 to bit 11 from R2
3.8.2 SBFX and UBFX
Signed Bit Field Extract and Unsigned Bit Field Extract.
3.8.2.1 Syntax
SBFX{cond} Rd, Rn, #lsb, #width
UBFX{cond} Rd, Rn, #lsb, #width
where:
cond
is an optional condition code, see Section 3.3.7 (p. 43) .
Rd
is the destination register.
Rn
is the source register.
lsb
is the position of the least significant bit of the bitfield. lsb must be in the range 0 to 31.
width
is the width of the bitfield and must be in the range 1 to 32#lsb.
3.8.2.2 Operation
SBFX
extracts a bitfield from one register, sign extends it to 32 bits, and writes the result to the destination
register.
UBFX
extracts a bitfield from one register, zero extends it to 32 bits, and writes the result to the destination
register.
3.8.2.3 Restrictions
Do not use SP and do not use PC.
3.8.2.4 Condition flags
These instructions do not affect the flags.
3.8.2.5 Examples
SBFX
R0, R1, #20, #4
; Extract bit 20 to bit 23 (4 bits) from R1 and sign
; extend to 32 bits and then write the result to R0.
UBFX
R8, R11, #9, #10 ; Extract bit 9 to bit 18 (10 bits) from R11 and zero
; extend to 32 bits and then write the result to R8
3.8.3 SXT and UXT
Sign extend and Zero extend.
3.8.3.1 Syntax
SXTextend{cond} {Rd,} Rm {, ROR #n}
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EFM32TG232F8 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 最大時鐘頻率:72 MHz 程序存儲器大小: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 安裝風格:SMD/SMT