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Patent Searching and Data


Title:
汎用I2Cスレーブ送信器/受信器ステートマシン
Document Type and Number:
Japanese Patent JP2004534322
Kind Code:
A
Abstract:
A robust state machine is provided for controlling a slave interface to an I<2>C-bus. The state machine is configured to enforce the slave-device-protocol of the I<2>C specification, and to provide recovery from anomalous master-device behavior. In accordance with this invention, the state transitions of the state machine at the slave-device are controlled by the master-device's control of the SCL line of the I<2>C-bus, except if a START condition is detected. The state machine is configured to asynchronously respond to a START condition on the I<2>C-bus, regardless of its current state, to force the state machine to a known state. In the known state following the START condition, the slave-device terminates any transmissions to the I<2>C-bus, thereby minimizing subsequent interference on the bus.

Inventors:
Deshpande Amrita
Andrews H Paul
Application Number:
JP2003511112A
Publication Date:
November 11, 2004
Filing Date:
June 14, 2002
Export Citation:
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Assignee:
Koninklijke Philips Electronics N.V.
International Classes:
G06F13/42; G06F13/38; (IPC1-7): G06F13/38
Attorney, Agent or Firm:
Susumu Tsugaru
Akihiko Miyazaki
Fueda Shusen