收藏本站
Configuration
4.2
JTAG/ICE
Table 4-2. JTAG/ICE Configuration
Designation
S1
S2
S3
R13
R14
Default Setting
Opened
Opened
Opened
Soldered
Soldered
Feature
Disables the ICE NTRST input
Selects ICE Debug Mode or JTAG Boundary Scan Mode
Disables TCK <-> RTCK local loop. If S3 is closed, R13 must be unsoldered.
Enables the ICE RTCK return. S3 must be opened
Enables the ICE RTCK return. S3 must be opened
4.3
Microcontroller Clock
Table 4-3. Microcontroller Clock Configuration
4.4
Designation
R18/R20
S4
J9
Memory
Default Setting
Soldered
Opened
Feature
Enables the use of 18.432MHz crystal. If external clock is used, R18/R20
must be unsoldered and S4 closed.
Slow Clock Setting. See Table 4-1 .
Table 4-4. Memory Configuration
Designation
SDRAM
R31
R32
Default Setting
Soldered
Soldered
Feature
Enables MN7 Chip select access
Enables MN8 Chip select access
NAND Flash (MN6+x)
J34
R34
S6
Closed
Soldered
Opened
Enables the use of NAND Flash (MN6x)
Enables the use of Ready Busy signal
Disables write protect
SERIAL DataFlash (MN9)
J33
S5
Soldered
Opened
Enable the use of the Serial DataFlash?(MN9)
Disables write protect
TWI SERIAL EEPROM (MN10)
4-2
6413C–ATARM–18-Feb-09
R46
R47
Soldered
Soldered
Enables SCL access
Enables SDA access
AT91SAM9G20-EK Evaluation Board User Guide
发布紧急采购，3分钟左右您将得到回复。

采购需求

(若只采购一条型号，填写一行即可)

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

*型号 *数量 厂商 批号 封装
添加更多采购

我的联系方式

*
*
*
相关PDF资料
AT91SAM9M10-EKES KIT EVAL FOR AT91SAM9M10
AT91SAM9M10-G45-EK KIT EVAL FOR AT91SAMG45/9M10
AT91SAM9RL-EK KIT EVAL FOR AT91SAM9RL
AT91SAM9X35-EK KIT EVAL FOR AT91SAM9X35
AT91SAM9XE-EK KIT EVAL FOR AT91SAM9XE
AT93C46D-TH-T IC EEPROM 1KBIT 2MHZ 8TSSOP
AT93C46E-TH-T IC EEPROM 1KBIT 2MHZ 8TSSOP
AT93C46Y6-10YH-1.8 IC EEPROM 1KBIT 2MHZ 8DFN
相关代理商/技术参数
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
AT91SAM9G25-CFUR 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 64KB ROM 247TFBGA
AT91SAM9G25-CU 功能描述:微处理器 - MPU BGA GRN IND TMP 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-CU-999 功能描述:ARM微控制器 - MCU BGA Green IND TEMP MRL A,T&R RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 处理器系列:STM32F373xx 数据总线宽度:32 bit 最大时钟频率:72 MHz 程序存储器大小:256 KB 数据 RAM 大小:32 KB 片上 ADC:Yes 工作电源电压:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:LQFP-48 安装风格:SMD/SMT
AT91SAM9G25-EK 功能描述:开发板和工具包 - ARM EVAL KIT SAM9G25 RoHS:否 制造商:Arduino 产品:Development Boards 工具用于评估:ATSAM3X8EA-AU 核心:ARM Cortex M3 接口类型:DAC, ICSP, JTAG, UART, USB 工作电源电压:3.3 V