Control method and electronic device enabling recognition of functions installed in the electronic device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 23, 2007
Grant Date -
Jan 10, 2002
app pub date -
Apr 12, 2001
filing date -
Apr 12, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electronic device includes a serial interface which exchanges data with a memory register and a first data buffer. In accordance with a setting which is written in the memory register, data in the first data buffer is exchanged with a memory through a memory controller. The serial interface exchanges data with an add-on register and a second data buffer. In accordance with a setting which is written in the add-on register, data in the second data buffer is exchanged with an add-on unit through an add-on controller. The add-on unit is connected to an external LAN or the like. Part of the setting data written in the memory register and the add-on register is determined from the add-on unit by a system control circuit. In accordance with the determination, a function to be executed by the electronic device is changed.
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