DQM由北桥控制,为了精确屏蔽一个P-Bank位宽中的每个字节,每个DIMM有8个DQM 信号线,每个信号针对一个字节。这样,对于4bit位宽芯片,两个芯片共用一个DQM信号线,对于8bit位宽芯片,一个芯片占用一个DQM信号,而对于 16bit位宽芯片,则需要两个DQM引脚。 在数据读取完之后,为了腾出读出放大器以供同一Bank内其他行的寻址并传输数据,内存芯片
Each generation of RAM increases speed and frequency while decreasing power consumption. Since computer hardware is all connected and interdependent, this can lead to speed increases in other components, too, which is why upgrading your memory is a great way to fix a slow computer. Since the dif...
APP_ADDR_MAX = BURST_LENGTH * 8 * (n+1)(n表示突发次数) 32 parameter APP_ADDR_MAX = 28'd5120 ; //ddr3读写结束地址,以一个16bit的数据为一个单位 33 parameter BURST_LENGTH = 8'd64 ; //ddr3读写突发长度,64个128bit的数据 34 parameter DATA_MAX = APP_ADDR_MAX - APP_ADDR_MIN; ...
技术规格 Memory Size8GB (2 x 4GB) Tested Latency9-9-9-24 Tested Speed1600 Tested Voltage1.65V SPD Voltage1.5V Speed RatingPC3-12800 (1600MHz) SPD Speed1333MHz SPD Latency9-9-9-24 Memory SeriesXMS Package Memory Pin240 Weight0.0915
主页/Computer Gaming Memory (RAM)/DDR3 Memory/XMS3 — 6GB Triple Channel DDR3... 更多功能 终极平台应配终极内存 — CORSAIR DDR3 内存。 SKU: TR3X6G1600C9 概览 技术规格 指南 包装内容物 产品说明 为三通道系统提供的 6GB XMS 内存套件,1600MHz,9-9-9-24,1.65V ...
* RAM brand:MAXSUN * Model: Big Mac F1 DDR3 * Capacity: 4/8GB * Memory frequency: DDR3-1600MHz * Default timing: DDR3 4GB 1600MHz(11-11-11-29); DDR3 8GB 1600MHz(11-11-11-28). * Bandwidth: PC3-12800 * Working voltage: 1.5V ...
Memory 2*SODIMM laptop DDR3 1600MHz low voltage 1.35V Memory channels,Max 16GB RAM. Graphics Integrated HD Graphics 510/520/610/620 in CPU. Heat Dissipation Fanless,integrated chassis cooling,faster heat dissipation. Power Supply ...
NB-DDR3-2G low voltage 1.35V memory channel Max support 8G RAM 1LAN or 2 LAN optional Specification: NANO19 Mini PC Series (J1900 CPU) Model LAN(RJ45) USB2.0 USB3.0 COM Pictures Front Behind NANO19-1LAN 1 3 1 1 N...
u32 ddr3_size; ddr3_size = ddr3_init(); //gd->ram_size = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, CONFIG_MAX_RAM_BANK_SIZE); gd->ram_size =2; #if defined(CONFIG_TI_AEMIF) aemif_init(ARRAY_SIZE(aemif_configs), aemif_configs); ...
printf("xmtech am gd->bd->bi_dram[0].size:%lld\n",gd->bd->bi_dram[0].size); if (ram_size > CONFIG_MAX_MEM_MAPPED) { gd->bd->bi_dram[1].start = 0x200000000; gd->bd->bi_dram[1].size = 0x100000000 - CONFIG_MAX_MEM_MAPPED; ...