Memory device, electronic device and reading method related thereto

Abstract

The invention discloses a memory device capable of synchronously reading a plurality of memory modules, an electronic device and a related reading method. The electronic device comprises a main control device, a first memory module and a second memory module. The main control device simultaneously performs a read operation on the first memory module and the second memory module. When the first memory module generates an update conflict during the read operation, the first memory module reports the situation of the update conflict to the master control device. After the synchronization data preparation period has elapsed, the first memory module and the second memory module respectively transmit the first synchronization read data and the second synchronization read data to the master control device during the synchronization data reading period, wherein the synchronous data preparation period is greater than the default read delay.

Description

technical field [0001] The present invention relates to a memory device, an electronic device and a reading method related thereto, and in particular to a memory device capable of synchronously reading multiple memory modules, an electronic device and a reading method related thereto . Background technique [0002] The increasing popularity of portable electronic devices, coupled with the trend of audio-visual applications, has increased the demand for memory modules. Therefore, the storage capacity of the memory module is getting larger and larger. However, depending on the application, some electronic devices do not need to use a large-capacity memory module. In addition, a large-capacity memory module needs to occupy a large number of pins, which becomes a limitation when designing an embedded system. [0003] See figure 1 , which is a schematic diagram of a memory module in an electronic device using a dynamic random access memory (DRAM). The electronic device 10a i...

AI Technical Summary

Problems solved by technology

For such an electronic device that includes multiple virtual static random access memory PSRAM memory modules at the same time, the main control device may not be able to correctly obtain read data from multiple memory modules synchronously due to the different states of whether the memory modules themselves have update conflicts.

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