參數(shù)資料
型號(hào)： ATSAM3X4EA-CU
廠商： Atmel
文件頁(yè)數(shù)： 11/71頁(yè)
文件大小： 0K
描述： IC MCU 2X128KB CORTEX-M3 144-BGA
標(biāo)準(zhǔn)包裝： 160
系列： SAM3X
核心處理器： ARM? Cortex?-M3
芯體尺寸： 32-位
速度： 84MHz
連通性： CAN，EBI/EMI，以太網(wǎng)，I²C，IrDA，LIN，MMC，SPI，SSC，UART/USART，USB
外圍設(shè)備： 欠壓檢測(cè)/復(fù)位，DMA，I²S，POR，PWM，WDT
輸入/輸出數(shù)： 103
程序存儲(chǔ)器容量： 256KB（256K x 8）
程序存儲(chǔ)器類型： 閃存
RAM 容量： 68K x 8
電壓 - 電源 (Vcc/Vdd)： 1.62 V ~ 1.95 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 16x12b，D/A 2x12b
振蕩器型： 內(nèi)部
工作溫度： -40°C ~ 85°C
封裝/外殼： 144-LFBGA
包裝： 托盤
21
11057BS–ATARM–13-Jul-12
SAM3X/A
21
11057BS–ATARM–13-Jul-12
SAM3X/A
5.
Power Considerations
5.1
Power Supplies
The SAM3X/A series product has several types of power supply pins:
VDDCORE pins: Power the core, the embedded memories and the peripherals; voltage
ranges from 1.62V to 1.95V.
VDDIO pins: Power the Peripherals I/O lines; voltage ranges from 1.62V to 3.6V.
VDDIN pin: Powers the Voltage regulator
VDDOUT pin: It is the output of the voltage regulator.
VDDBU pin: Powers the Slow Clock oscillator and a part of the System Controller; voltage
ranges from 1.62V to 3.6V. VDDBU must be supplied before or at the same time than VDDIO
and VDDCORE.
VDDPLL pin: Powers the PLL A, UPLL and 3-20 MHz Oscillator; voltage ranges from 1.62V
to 1.95V.
VDDUTMI pin: Powers the UTMI+ interface; voltage ranges from 3.0V to 3.6V, 3.3V nominal.
VDDANA pin: Powers the ADC and DAC cells; voltage ranges from 2.0V to 3.6V.
Ground pins GND are common to VDDCORE and VDDIO pins power supplies.
Separated ground pins are provided for VDDBU, VDDPLL, VDDUTMI and VDDANA. These
ground pins are respectively GNDBU, GNDPLL, GNDUTMI and GNDANA.
5.2
Voltage Regulator
The SAM3X/A series embeds a voltage regulator that is managed by the Supply Controller.
This internal regulator is intended to supply the internal core of SAM3X/A series but can be used
to supply other parts in the application. It features two different operating modes:
In Normal mode, the voltage regulator consumes less than 700 A static current and draws
150 mA of output current. Internal adaptive biasing adjusts the regulator quiescent current
depending on the required load current. In Wait Mode or when the output current is low,
quiescent current is only 7A.
In Shutdown mode, the voltage regulator consumes less than 1 A while its output is driven
internally to GND. The default output voltage is 1.80V and the start-up time to reach Normal
mode is inferior to 400 s.
For adequate input and output power supply decoupling/bypassing, refer to “Voltage Regulator”
in the “Electrical Characteristics” section of the product datasheet.
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ATSAM3X8EA-AU 制造商:Atmel Corporation 功能描述:QFP144GREEN IND TEMP MRLA
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