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Setting Up the AT91SAM9G20-EK Board
2.4
2.5
2.6
2-4
Powering Up the Board
The AT91SAM9G20-EK requires 5V DC (±5%). DC power is supplied to the board via the 2.1 mm by 5.5
mm socket J1. Coaxial plug center positive standard.
Backup Power Supply
The user can plug in a battery (3V Lithium Battery CR1225 or equivalent) in order to permanently power
the backup part of the device. In this case, J10 configuration must be set in position 1, 2. Refer to Sec-
tion 4.1 ”Jumpers” .
Getting Started
The AT91SAM9G20-EK evaluation board is delivered with a CD-ROM containing all necessary informa-
tion and step-by-step procedures for working with the most common development tools.
AT91SAM9G20-EK Evaluation Board User Guide
6413C–ATARM–18-Feb-09
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AT91SAM9G25-BFU 制造商:Atmel Corporation 功能描述:VFBGA, GREEN, IND TEMP, MRLA - Trays 制造商:Atmel Corporation 功能描述:IC MCU ARM9 64KB ROM 247VFBGA
AT91SAM9G25-BFU-999 制造商:Atmel Corporation 功能描述:VFBGA,GREEN,IND TEMP,MRLA,T&R - Tape and Reel 制造商:Atmel Corporation 功能描述:IC MCU ARM9 64KB ROM 247VFBGA
AT91SAM9G25-CFU 功能描述:微处理器 - MPU TFBGA GRN IND TEMP MRLA RoHS:否 制造商:Atmel 处理器系列:SAMA5D31 核心:ARM Cortex A5 数据总线宽度:32 bit 最大时钟频率:536 MHz 程序存储器大小:32 KB 数据 RAM 大小:128 KB 接口类型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作电源电压:1.8 V to 3.3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:FBGA-324
AT91SAM9G25-CFU-999 制造商:Atmel Corporation 功能描述:BGA,GREEN,IND TEMP,MRL A,T&R 制造商:Atmel Corporation 功能描述:BGA,GREEN,IND TEMP,MRL A,T&R - Tape and Reel 制造商:Atmel Corporation 功能描述:IC MCU ARM9 ROM 247BGA 制造商:Atmel Corporation 功能描述:BGAGREEN,IND TEMP,MRL A
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