做技术要:鹰击长空,鱼翔浅底。
发布时间:2014-12-06 16:17:37
Linux核心几个重要跟时间有关的名词或变数,底下将介绍HZ、tick与jiffies。(1)HZ Linux核心每隔固定周期会发出timer interrupt (IRQ 0),HZ是用来定义每一秒有几次timer interrupts。举例来说,HZ为1000,代表每秒有1000次timer interrupts。 HZ可在编译核心时设定,具体查询设.........【阅读全文】
发布时间:2014-12-04 13:57:28
startup_stm32f10x_cl.s 互联型的器件,STM32F105xx,STM32F107xxstartup_stm32f10x_hd.s 大容量的STM32F101xx,STM32F102xx,STM32F103xxstartup_stm32f10x_hd_vl.s 大容量的STM32F100xxstartup_stm32f10x_ld.s 小容量的STM32F101xx,STM32F102xx,STM32F103xxstartup_stm32f10x_ld_vl.s 小容量的STM32F100xxstartu.........【阅读全文】
发布时间:2014-12-04 11:10:48
1:SDRAMThe STM32F10xxx features up to 96 Kbytes of static SRAM. It can be accessed as bytes,half-words (16 bits) or full words (32 bits). The SRAM start address is 0x2000 0000.2:NORROMStart :0x0800 0000The high-performance Flash memory module has the following key features:● For XL-d.........【阅读全文】