參數(shù)資料
型號: AT91SAM7XC256B-AU-999
廠商: Atmel
文件頁數(shù): 33/47頁
文件大?。?/td> 0K
描述: IC MCU ARM7 256KB FLASH 100LQFP
產(chǎn)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: 1,000
系列: SAM7XC
核心處理器: ARM7
芯體尺寸: 16/32-位
速度: 55MHz
連通性: CAN,以太網(wǎng),I²C,SPI,SSC,UART/USART,USB
外圍設(shè)備: 欠壓檢測/復(fù)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(zhuǎn)換器: A/D 8x10b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 100-LQFP
包裝: 帶卷 (TR)
39
6209DS–ATARM–17-Feb-09
AT91SAM7XC512/256/128
10.13 USB Device Port
USB V2.0 full-speed compliant,12 Mbits per second
Embedded USB V2.0 full-speed transceiver
Embedded 1352-byte dual-port RAM for endpoints
Six endpoints
– Endpoint 0: 8 bytes
– Endpoint 1 and 2: 64 bytes ping-pong
– Endpoint 3: 64 bytes
– Endpoint 4 and 5: 256 bytes ping-pong
– Ping-pong Mode (two memory banks) for bulk endpoints
Suspend/resume logic
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
10.15 128-bit Advanced Encryption Standard
Compliant with FIPS Publication 197, Advanced Encryption Standard (AES)
128-bit (AT91SAM7XC256/128) or 128-bit/192-bit/256-bit (AT91SAM7XC512) Cryptographic
Key
12-clock Cycles Encryption/Decryption Processing Time (AT91SAM7XC256/128)
12/13/14-clock Cycles Encryption/Decryption Processing Time (AT91SAM7XC512)
Support of the Five Standard Modes of Operation specified in the NIST Special Publication
800-38A:
– Electronic Codebook (ECB)
– Cipher Block Chaining (CBC)
– Cipher Feedback (CFB)
– Output Feedback (OFB)
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