Apparatus having a first microcomputer for reading first and sec

Details Apparatus having a first microcomputer for reading first and sec Apparatus having a first microcomputer for reading first and sec

1995-06-30

1998-07-21

Lee, Thomas C.

3952003, 39520043, 395566, 39580032, G06F 1300

Patent

active

057846456

ABSTRACT:
An optical system including a first microcomputer having a first communication terminal and a second communication terminal, a second microcomputer having a third communication terminal which is connected to the first communication terminal and sends and receives data, and a non-volatile memory having a fourth communication terminal which is connected to the second communication terminal and able to receive data, the non-volatile memory storing contents even after power to the non-volatile memory is turned OFF. The first microcomputer reads first data which is stored in a first region of the non-volatile memory, from the non-volatile memory via the second communication terminal, transfers the first data from the first communication terminal to the second microcomputer immediately after power is supplied, and uses second data, which is stored in a second region of the non-volatile memory and which has been transferred via the second communication terminal, to perform processing.

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