參數(shù)資料
型號: ATSAM3U1CA-AU
廠商: Atmel
文件頁數(shù): 35/60頁
文件大?。?/td> 0K
描述: IC MCU 32BIT 64KB FLASH 100LQFP
產(chǎn)品培訓模塊: MCU Product Line Introduction
Cortex®-M3 Introduction and Specific SAM3U Implementation
SAM3U Cortex-M3 Based MCU Introduction
Touch Solutions on the Atmel ARM? Cortex?-M3 Based Flash Microcontrollers
標準包裝: 90
系列: SAM3U
核心處理器: ARM? Cortex?-M3
芯體尺寸: 32-位
速度: 96MHz
連通性: EBI/EMI,I²C,MMC,SPI,SSC,UART/USART,USB
外圍設備: 欠壓檢測/復位,DMA,I²S,POR,PWM,WDT
輸入/輸出數(shù): 57
程序存儲器容量: 64KB(64K x 8)
程序存儲器類型: 閃存
RAM 容量: 20K x 8
電壓 - 電源 (Vcc/Vdd): 1.62 V ~ 1.95 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 4x10b,4x12b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 100-LQFP
包裝: 托盤
配用: ATSAM3U-EK-ND - KIT EVAL FOR AT91SAM3U CORTEX
40
6430FS–ATARM–10-Feb-12
SAM3U Series
10.7
Watchdog Timer
16-bit key-protected once-only Programmable Counter
Windowed, prevents the processor to be in a dead-lock on the watchdog access
10.8
SysTick Timer
24-bit down counter
Self-reload capability
Flexible system timer
10.9
Real-time Timer
Real-time Timer, allowing backup of time with different accuracies
– 32-bit Free-running back-up Counter
– Integrates a 16-bit programmable prescaler running on slow clock
– Alarm Register capable to generate a wake-up of the system
10.10 Real-time Clock
Low power consumption
Full asynchronous design
Two hundred year calendar
Programmable Periodic Interrupt
Alarm and update parallel load
Control of alarm and update Time/Calendar Data In
10.11 General-Purpose Back-up Registers
Eight 32-bit general-purpose backup registers
10.12 Nested Vectored Interrupt Controller
Thirty maskable interrupts
Sixteen priority levels
Dynamic reprioritization of interrupts
Priority grouping
– selection of preempting interrupt levels and non preempting interrupt levels.
Support for tail-chaining and late arrival of interrupts.
– back-to-back interrupt processing without the overhead of state saving and
restoration between interrupts.
Processor state automatically saved on interrupt entry, and restored on
– interrupt exit, with no instruction overhead.
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