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Patent Searching and Data


Title:
POWER SEMICONDUCTOR DEVICE
Document Type and Number:
Japanese Patent JPH11299255
Kind Code:
A
Abstract:

To provide a semiconductor device which allows changeover of a plurality of interfaces without changes in hardware, such as the changeover of an internal switch.

A control portion 1 of an inverter device 100 is provided with a universal asynchronous receiver/transmitter(UART) 1A. In addition, the control portion is provided with an exclusive interface determining portion 1B, which when a break code is detected by the UART 1A, determines an interface fed with the break code as an exclusive interface, and gives instructions to the components of the control portion 1 so that communication with the external is performed exclusively via the exclusive interface.


Inventors:
HORIMOTO MASABUMI
Application Number:
JP1998000107679
Publication Date:
October 29, 1999
Filing Date:
April 17, 1998
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
H02M7/42; H02M7/48; (IPC1-7): H02M7/48; H02M7/42
Attorney, Agent or Firm:
吉田 茂明 (外2名)