CPU and decoding chip memory, SD memory card socket interface circuit
Source: InternetPublisher:aerobotics Keywords: CPU memory interface circuit socket Updated: 2020/11/08
The memory interface of U1 is as shown in the figure. U1 has two external memories U3 and U4 to store data and programs. These two memories
are connected to Ul through the data bus and address bus so that they can be processed under the control of the CPU in Ul. Data access. In addition, Ul is also connected
to the SD memory card socket circuit through the SD memory card socket interface to receive data from the SD card.
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