參數(shù)資料
型號(hào): ATSAM3X4CA-CU
廠(chǎng)商: Atmel
文件頁(yè)數(shù): 26/71頁(yè)
文件大?。?/td> 0K
描述: IC MCU 2X128KB CORTEX-M3 100-BGA
標(biāo)準(zhǔn)包裝: 260
系列: SAM3X
核心處理器: ARM? Cortex?-M3
芯體尺寸: 32-位
速度: 84MHz
連通性: CAN,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): 63
程序存儲(chǔ)器容量: 256KB(256K x 8)
程序存儲(chǔ)器類(lèi)型: 閃存
RAM 容量: 64K 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: 100-TFBGA
包裝: 托盤(pán)
34
11057BS–ATARM–13-Jul-12
SAM3X/A
34
11057BS–ATARM–13-Jul-12
SAM3X/A
7.6
DMA Controller
Acting as one Matrix Master
Embeds 4 (SAM3A and 100-pin SAM3X) or 6 (144-pin SAM3X) channels
Linked List support with Status Write Back operation at End of Transfer
Word, HalfWord, Byte transfer support.
Handles high speed transfer of SPI0-1, USART0-1, SSC and HSMCI (peripheral to memory,
memory to peripheral)
Memory to memory transfer
Can be triggered by PWM and T/C which enables to generates waveform though the
External Bus Interface
The DMA controller can handle the transfer between peripherals and memory and so receives
the triggers from the peripherals below. The hardware interface numbers are also given in Table
7-5.
Table 7-4.
DMA Channels
DMA Channel Size
SAM3A
100-pin SAM3X
144-pin SAM3X
8 bytes FIFO for Channel Buffering
3
(Channels 0, 1 and 2)
4
(Channels 0, 1, 2 and 4)
32 bytes FIFO for Channel Buffering
1
(Channel 3)
2
(Channels 3 and 5)
Table 7-5.
DMA Controller
Instance Name
Channel T/R
DMA Channel HW
Interface Number
HSMCI
Transmit/Receive
0
SPI0
Transmit
1
SPI0
Receive
2
SSC
Transmit
3
SSC
Receive
4
SPI1
Transmit
5
SPI1
Receive
6
TWI0
Transmit
7
TWI0
Receive
8
--
-
--
-
USART0
Transmit
11
USART0
Receive
12
USART1
Transmit
13
USART1
Receive
14
PWM
Transmit
15
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ATSAM3X4EA-AU 功能描述:ARM微控制器 - MCU QFP144,GREEN, IND TEMP, MRL A RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線(xiàn)寬度:32 bit 最大時(shí)鐘頻率:72 MHz 程序存儲(chǔ)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(fēng)格:SMD/SMT
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