參數(shù)資料
型號: AT91SAM7X256-AU
廠商: Atmel
文件頁數(shù): 31/44頁
文件大?。?/td> 0K
描述: IC ARM7 MCU FLASH 256K 100LQFP
產品培訓模塊: SAM9 MPU Boot Solutions & Application Deployment
AT91SAM7X and SAM7XC Flash-based Microcontrollers
MCU Product Line Introduction
標準包裝: 90
系列: SAM7X
核心處理器: ARM7
芯體尺寸: 16/32-位
速度: 55MHz
連通性: CAN,以太網,I²C,SPI,SSC,UART/USART,USB
外圍設備: 欠壓檢測/復位,DMA,POR,PWM,WDT
輸入/輸出數(shù): 62
程序存儲器容量: 256KB(256K x 8)
程序存儲器類型: 閃存
RAM 容量: 64K x 8
電壓 - 電源 (Vcc/Vdd): 1.65 V ~ 1.95 V
數(shù)據(jù)轉換器: A/D 8x10b
振蕩器型: 內部
工作溫度: -40°C ~ 85°C
封裝/外殼: 100-LQFP
包裝: 托盤
配用: AT91SAM-ICE-ND - EMULATOR FOR AT91 ARM7/ARM9
AT91SAM7X-EK-ND - KIT EVAL FOR AT91SAM7X256/128
37
6120GS–ATARM–07-Apr-11
SAM7X512/256/128 Summary
10.14 CAN Controller
Fully compliant with CAN 2.0A and 2.0B
Bit rates up to 1Mbit/s
Eight object oriented mailboxes each with the following properties:
– CAN Specification 2.0 Part A or 2.0 Part B Programmable for each Message
– Object configurable to receive (with overwrite or not) or transmit
– Local tag and mask filters up to 29-bit identifier/channel
– 32-bit access to data registers for each mailbox data object
– Uses a 16-bit time stamp on receive and transmit message
– Hardware concatenation of ID unmasked bitfields to speedup family ID processing
– 16-bit internal timer for time stamping and network synchronization
– Programmable reception buffer length up to 8 mailbox objects
– Priority management between transmission mailboxes
– Autobaud and listening mode
– Low power mode and programmable wake-up on bus activity or by the application
– Data, remote, error and overload frame handling
10.15 Analog-to-Digital Converter
8-channel ADC
10-bit 384 K samples/sec. Successive Approximation Register ADC
±2 LSB Integral Non Linearity, ±1 LSB Differential Non Linearity
Integrated 8-to-1 multiplexer, offering eight independent 3.3V analog inputs
External voltage reference for better accuracy on low voltage inputs
Individual enable and disable of each channel
Multiple trigger sources
– Hardware or software trigger
– External trigger pin
– Timer Counter 0 to 2 outputs TIOA0 to TIOA2 trigger
Sleep Mode and conversion sequencer
– Automatic wakeup on trigger and back to sleep mode after conversions of all
enabled channels
Four of eight analog inputs shared with digital signals
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