Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ping-Sheng Chen0
Li-Chun Tu0
Pao-Ching Tseng0
Ping-Cheng Sung0
Date of Patent
September 19, 2006
0Patent Application Number
107071070
Date Filed
November 20, 2003
0Patent Primary Examiner
Patent abstract
A microcontroller with expandable memory banks has a microprocessor, a plurality of memory banks with only one page for storing interrupt service routines(ISR), a memory bank control circuit connected to the microprocessor, and a multiplexer for connecting the microprocessor with the plurality of memory banks. The memory bank control circuit generates a selection signal according to an interrupt signal and a microprocessor interrupt service routine execution end signal. The multiplexer outputs a page selection signal from the microprocessor or outputs a predetermined page selection signal according to the output signal from the memory bank control circuit.
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