Electrical computers and digital data processing systems: input/ – Intrasystem connection – Bus interface architecture
Reexamination Certificate
2007-02-27
2007-02-27
Perveen, Rehana (Department: 2112)
Electrical computers and digital data processing systems: input/
Intrasystem connection
Bus interface architecture
C710S240000
Reexamination Certificate
active
11142258
ABSTRACT:
A data processor has a first bus master module, first bus slave module and first bus right arbitrating circuit connected to a first bus, a second bus master module, second bus slave module and second bus right arbitrating circuit connected to a second bus, and a bus bridge circuit connecting the first and second buses. The bus bridge circuit has a first transfer controller, responsive to an access request from the first bus to the second bus, for obtaining a bus right of the second bus, and a second transfer controller, responsive to an access request from the second bus to the first bus, for obtaining a bus right of the first bus. The second bus has a first path connecting the second bus slave module and the first transfer controller and a second path connecting the second bus master module and the second transfer controller.
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Hasegawa Hironobu
Nishiyama Kunihiko
Teranuma Tadashi
Tsuchihashi Yoshihiko
Antonelli, Terry Stout and Kraus, LLP.
Perveen Rehana
Rehman Mohammed H.
Renesas Technology Corp.
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