Portable computer which performs bus arbitration using a serial bus
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United States of America Patent
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-
Oct 6, 1998
Grant Date -
N/A
app pub date -
Jun 14, 1996
filing date -
Jun 16, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An I/o control gate array, a power supply controller, an EEPROM of a battery pack, a DS (docking station) controller, and an EEPROM of a docking station are connected to an I.sup.2 C serial BUS. This I.sup.2 C serial BUS and an ISA bus are connected by the I/O control gate array. The I/O control gate array incorporates a master control logic. Master arbitration between the power supply controller and the DS controller connected to the I.sup.2 C BUS is intensively controlled by arbitration circuitry of the I/O control gate array by using REQ# and GNT# lines of these masters.
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