诚信经营，质量为首，诚信至上，真诚为您服务--------------------------------------------------允许我给您介绍下这个产品和我们的服务：现货全新原装***15天质量问题无条件包退换一年质保完善的***服务雄厚的技术人才后盾真正的为客户排忧解难客户的满意是对我们的肯定更是我们的动力单子,得之,我幸。不得,我力争到底全心服务--------------------------------------------------ABB3HAB2211-1DSQC256A优质的产品★优质的价格★优质的***★优质的服务，是您***佳的选择！I2C驱动注册到MPU公有TI外围总线：driver_reg-ister(&omap_i2c_driver)platform_device_register(&omap_i2c_device)。在驱动程序中实现挂起和***函数：omap_i2c_controller_suspen(&omap_i2c_device)，omap_i2c_con-troller_resume(&omap_i2c_deviee)。这样，所有注册到系统的设备在sysfs中都有一个管理接口。通过这些接口可以操纵设备的电源状态。在多种情况下，可利用该接口来挂断设备，例如：应用程序显式挂断应用中不需要的设备；平台挂起前需挂断所有设备；当DPM将系统设置到设备不兼容状态时需挂起该设备等等。其中DPM中管理设备电源状态时还提供设备驱动约束检查(频率相关)。例如，当系统电源状态改变，准备运行在新的操作点时，驱动约束检查该状态是否满足设备正常运行。如果不满足，且当前操作点force属性设置为1，设备首先被LDM回调函数关断(或将设备置于和此时PLL相应的挂起状态)；如果满足条件，则利用设备驱动中实现的调节函数转到新状态。驱动约束还用于限制DPM操作方式。当没有设备被使用时，约束才允许DPM将系统转到低电源空闲状态。4总结DPM技术通过内核模块的方式实现任务级别电源管理、实现了有效的设备电源管理，满足了嵌入式Linux的需求，补充了基于桌面系统APM和APCI电源管理技术的不足。实践证明，DPM对嵌入式系统，尤其是移动终端，能够起到很好的节能效果。当然，动态电源管理系统还有待于进一步完善。例如：①可以根据硬件和软件收集系统负载状态，使用Markov，链等手段准确预测电源状态，从而设计出更智能、更有效的状态切换管理策略；②电源管理和实时性能要求之间的复杂关系还需处理等等。3HAA1001-1233HAA1001-1243HAA1001-1253HAA1001-1263HAA1001-1273HAA1001-1293HAA1001-133HAA1001-1303HAA1001-1313HAA1001-1323HAA1001-1343HAA1001-1353HAA1001-1363HAA1001-1423HAA1001-1433HAA1001-1443HAA1001-1463HAA1001-1543HAA1001-163HAA1001-1613HAA1001-1623HAA1001-1643HAA1001-1663HAA1001-1683HAA1001-173HAA1001-1723HAA1001-1733HAA1001-1743HAA1001-1763HAA1001-1813HAA1001-1863HAA1001-1893HAA1001-1963HAA1001-1993HAA1001-2003HAA1001-2013HAA1001-2023HAA1001-2073HAA1001-213HAA1001-2183HAA1001-2303HAA1001-243HAA1001-2433HAA1001-2443HAA1001-2623HAA1001-2673HAA1001-2823HAA1001-2973HAA1001-3023HAA1001-3053HAA1001-3163HAA1001-3173HAA1001-333HAA1001-3343HAA1001-3423HAA1001-3433HAA1001-3443HAA1001-3463HAA1001-3473HAA1001-393HAA1001-5003HAA1001-5013HAA1001-5133HAA1001-5193HAA1001-5223HAA1001-5253HAA1001-5263HAA1001-5313HAA1001-5783HAA1001-6033HAA1001-6043HAA1001-6053HAA1001-6063HAA1001-6073HAA1001-6083HAA1001-6123HAA1001-6133HAA1001-6143HAA1001-6163HAA1001-6223HAA1001-6283HAA1001-6303HAA1001-6323HAA1001-6363HAA1001-6583HAA1001-6683HAA1001-6703HAA1001-6723HAA1001-6913HAA1001-6953HAA1001-7003HAA1001-7013HAA1001-713HAA1001-7163HAA1001-7183HAA1001-7193HAA1001-7213HAA1001-7273HAA1001-733HAA1001-743HAA1001-753HAA1001-763HAA1001-773HAA1001-783HAA1001-793HAA1001-813HAA1001-823HAA1001-833HAA1001-863HAA1001-883HAA1001-893HAA1001-903HAA1001-973HAA1001-983HAA2010-13HAA2021-13HAA2039-1Sleeve3HAA2043-1Nut3HAA2049-13HAA2058-133HAA2092-113HAA2092-123HAA2095-123HAA2095-133HAA2099-123HAA2103-113HAA2103-133HAA2103-143HAA2103-153HAA2103-163HAA2103-183HAA2103-273HAA2104-113HAA2107-113HAA2111-13HAA2121-33HAA2126-13HAA2128-13HAA2130-13HAA2165-203HAA2166-113HAA2166-123HAA2166-133HAA2166-163HAA2166-173HAA2166-183HAA2166-193HAA2166-203HAA2166-213HAA2166-223HAA2166-233HAA2166-243HAA2166-273HAA2166-283HAA2167-113HAA2167-123HAA2167-133HAA2167-153HAA2167-163HAA2167-173HAA2167-183HAA2167-193HAA2167-213HAA2212-13HAA2218-13HAA2242-13HAA2246-13HAA2247-13HAA2280-13HAA2281-13HAA2286-43HAA2324-13HAA2325-123HAA2325-133HAA2333-13HAA2341-13HAA2355-113HAA2356-113HAA2356-123HAA2356-143HAA2367-13HAA2388-113HAA2393-13HAA2477-13HAA2484-113HAA2495-13HAA2500-13HAA2503-13HAA2504-13HAA2589-13HAA2599-13HAA2599-23HAA2599-33HAA2600-23HAA2600-33HAA2601-13HAA2601-23HAA2601-33HAA2602-13HAA2602-23HAA2602-33HAA2613-23HAA2613-33HAA2614-23HAA2614-33HAA2659-23HAA3001-133HAA3001-143HAA3001-153HAA3001-163HAA3001-183HAA3001-193HAA3001-203HAA3001-213HAA3001-223HAA3001-493HAA3001-503HAA3001-513HAA3001-523HAA3001-533HAA3001-63HAA3001-653HAA3001-73HAA3001-983HAA3001-993HAA3003-213HAA3003-263HAA3003-283HAA3003-333HAA3003-353HAA3003-503HAA3003-523HAA3003-573HAA3003-583HAA3003-593HAA3014-13HAA3014-23HAA3015-13HAA3016-13HAA3017-83HAA3018-163HAA3101-AD3HAA3101-AE3HAA3101-CC3HAA3101-CH3HAA3201-CE3HAA3201-CG)