公开(公告)号：US20160139655A1

公开(公告)日：2016-05-19

申请号：US14931923

申请日：2015-11-04

Applicant: MediaTek Inc.

Inventor： Jia-Ming CHEN ,  Hung-Lin CHOU ,  Pi-Cheng HSIAO ,  Ya-Ting CHANG ,  Yun-Ching LI ,  Yu-Ming LIN

IPC: G06F1/32

CPC classification number: G06F1/3287 ,  G06F1/3206 ,  G06F1/324 ,  G06F9/5088 ,  Y02D10/126 ,  Y02D10/171 ,  Y02D50/20

Abstract: Energy efficiency is managed in a multi-cluster system. The system detects an event in which a current operating frequency of an active cluster enters or crosses any of one or more predetermined frequency spots of the active cluster, wherein the active cluster includes one or more first processor cores. When the event is detected, the system performs the following steps: (1) identifying a target cluster including one or more second processor cores, wherein the each first processor core in the first cluster and each second processor core in the second cluster have different energy efficiency characteristics; (2) activating at least one second processor core in the second cluster; (3) determining whether to migrate one or more interrupt requests from the first cluster to the second cluster; and (4) determining whether to deactivate at least one first processor core of the active cluster based on a performance and power requirement.

Abstract translation: 能源效率在多集群系统中进行管理。 该系统检测活动集群的当前工作频率进入或跨越活动集群的一个或多个预定频率点中的任何一个的事件，其中主动集群包括一个或多个第一处理器核心。 当检测到事件时，系统执行以下步骤：（1）识别包括一个或多个第二处理器核心的目标群集，其中第一群集中的每个第一处理器核心和第二群集中的每个第二处理器核心具有不同的能量 效率特性; （2）激活所述第二集群中的至少一个第二处理器核心; （3）确定是否将来自所述第一集群的一个或多个中断请求迁移到所述第二集群; 以及（4）基于性能和功率需求确定是否去活动所述活动集群的至少一个第一处理器核心。

公开(公告)号：US20170068304A1

公开(公告)日：2017-03-09

申请号：US14848872

申请日：2015-09-09

Applicant: MediaTek Inc.

Inventor： Yen-Lin LEE ,  Yun-Ching LI ,  Chih-Hsiang HSIAO ,  Yu-Cheng HSIEH ,  Li-Chun TU

IPC: G06F1/32 ,  G06F12/10 ,  G06F3/06 ,  G06F12/06 ,  G06F12/02 ,  G11C14/00 ,  G06F13/28

CPC classification number: G06F1/3287 ,  G06F1/3275 ,  G06F3/0619 ,  G06F3/065 ,  G06F3/0685 ,  G06F12/0238 ,  G06F12/0638 ,  G06F12/0804 ,  G06F12/1081 ,  G06F13/28 ,  G06F2212/1028 ,  G06F2212/1044 ,  G06F2212/205 ,  G06F2212/656 ,  G11C14/0036 ,  Y02D10/13 ,  Y02D10/14 ,  Y02D10/171

Abstract: A low-power memory access method and associated apparatus are provided. The apparatus includes a memory controller and a processing unit. The memory controller is coupled to a first memory and a second memory, and includes: a memory management circuit, for allocating physical memory addresses of the first memory and the second memory and controlling access of the first memory and the second memory; and a direct-memory-access (DMA) controller. The processing unit is for accessing the first memory and the second memory via the memory controller. When the apparatus is in an active mode, the memory management circuit copies a portion of data stored in the second memory to the first memory for use by the processing unit, and records dirty data information when the portion of data in the first memory differs from that in the second memory.

Abstract translation: 提供了一种低功率存储器存取方法和相关装置。 该装置包括存储器控制器和处理单元。 存储器控制器耦合到第一存储器和第二存储器，并且包括：存储器管理电路，用于分配第一存储器和第二存储器的物理存储器地址并控制第一存储器和第二存储器的存取; 和直接存储器访问（DMA）控制器。 处理单元用于经由存储器控制器访问第一存储器和第二存储器。 当设备处于活动模式时，存储器管理电路将存储在第二存储器中的数据的一部分复制到第一存储器供处理单元使用，并且当第一存储器中的数据部分不同时记录脏数据信息 在第二个记忆中。

公开(公告)号：US20160077759A1

公开(公告)日：2016-03-17

申请号：US14737854

申请日：2015-06-12

Applicant: MediaTek Inc.

Inventor： Chih-Hsiang HSIAO ,  Yun-Ching LI

IPC: G06F3/06

CPC classification number: G06F3/0625 ,  G06F3/0647 ,  G06F3/0656 ,  G06F3/0685 ,  G06F13/1668 ,  G11C7/1063

Abstract: A controller and a memory-access method for use in the controller are provided. The controller includes a sensor-processing system, and the sensor-processing system includes a memory, and a buffer, wherein the controller is coupled to an external memory and a sensor. The method includes the steps of: gathering the sensor data from the sensor and writing the gathered sensor data into the memory; writing information associated with the sensor data into the buffer; determining whether a fill level of the buffer has reached a predetermined threshold; and retrieving the sensor data from the memory and writing the retrieved sensor data to the external memory according to the information associated with the stored sensor data in the buffer when it is determined that the fill level has reached the predetermined threshold.

Abstract translation: 提供了一种用于控制器的控制器和存储器访问方法。 控制器包括传感器处理系统，并且传感器处理系统包括存储器和缓冲器，其中控制器耦合到外部存储器和传感器。 该方法包括以下步骤：从传感器收集传感器数据并将收集的传感器数据写入存储器; 将与所述传感器数据相关联的信息写入所述缓冲器; 确定缓冲器的填充水平是否已经达到预定阈值; 以及当确定所述填充水平已经达到所述预定阈值时，根据与所述缓冲器中存储的传感器数据相关联的信息将所检索的传感器数据写入所述外部存储器。

公开(公告)号：US20160071480A1

公开(公告)日：2016-03-10

申请号：US14700578

申请日：2015-04-30

Applicant: MediaTek Inc.

Inventor： Chih-Hsiang HSIAO ,  Yun-Ching LI ,  Jih-Ming HSU ,  Hua WU

IPC: G09G5/00 ,  G06T1/20

CPC classification number: G09G5/001 ,  G06F1/3265 ,  G06F1/3287 ,  G06F1/3293 ,  G06T1/20 ,  G09G2330/021 ,  Y02D10/122 ,  Y02D10/153 ,  Y02D10/171

Abstract: A low-power operation method and associated electronic device are provided. The electronic device includes a display unit, a first control system, and a second control system. The display unit includes a first display area and a second display area. The first control system and the second control system control displaying of the first display area and the second display area, respectively. Activation of the first control system and the second control system is based on a hardware configuration of the electronic device. The first display area is larger than the second display area, and the second control system has lower active power than the first control system.

Abstract translation: 提供了一种低功率操作方法和相关联的电子设备。 电子设备包括显示单元，第一控制系统和第二控制系统。 显示单元包括第一显示区域和第二显示区域。 第一控制系统和第二控制系统分别控制第一显示区域和第二显示区域的显示。 第一控制系统和第二控制系统的激活基于电子设备的硬件配置。 第一显示区域大于第二显示区域，第二控制系统的有功功率比第一控制系统低。