Chapter 8
1. Which of control signal lines can be used in the off-chip
memory expansion of...
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Electrical Engineering
Chapter 8
1. Which of control signal lines can be used in the off-chipmemory expansion of MCS-51 single chip microcomputer ? Pleaseexplain the functions of each control
signal line.
10. In single chip microcomputer, we use one chip EPROM2764and one
SRAM6264 to expand memory storage. Assume the initial addressof ROM is 000H, and the initial address of RAM is 2000H. Pleasedraw the system circuit scheme, then show the address rangeclearly.
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The three control line signals in MCS51 that are used for external memory access are EAExternal Access It is an active low input signal to 8051 microcontroller when logic zero is applied to this pin
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