Data transfer control device and electronic instrument generating interface signal of signal type according to interface information set in internal register
First Claim
1. A data transfer control device which controls data transfer, the data transfer control device comprising:
- a link controller which analyzes a received packet transferred from a host-side data transfer control device through a serial bus;
an interface circuit which generates interface signals and outputs the generated interface signals to an interface bus; and
an internal register in which interface information is set, the interface information being used for specifying signal types of the interface signals output from the interface circuit,wherein the interface circuit includes first to Nth interface circuits (N is an integer greater than one), each of the first to Nth interface circuits generating an interface signal of a signal type according to the interface information set in the internal register.
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Accused Products
Abstract
A data transfer control device including: a link controller which analyzes a received packet transferred from a host-side data transfer control device through a serial bus; an interface circuit which generates interface signals and outputs the generated interface signals to an interface bus; and an internal register in which is set interface information for specifying signal types of the interface signals output from the interface circuit. The interface circuit includes first to Nth interface circuits (N is an integer greater than one), and each of the first to Nth interface circuits generates an interface signal of a signal type according to the interface information set in the internal register.
24 Citations
18 Claims
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1. A data transfer control device which controls data transfer, the data transfer control device comprising:
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a link controller which analyzes a received packet transferred from a host-side data transfer control device through a serial bus; an interface circuit which generates interface signals and outputs the generated interface signals to an interface bus; and an internal register in which interface information is set, the interface information being used for specifying signal types of the interface signals output from the interface circuit, wherein the interface circuit includes first to Nth interface circuits (N is an integer greater than one), each of the first to Nth interface circuits generating an interface signal of a signal type according to the interface information set in the internal register. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A data transfer control device which controls data transfer, the data transfer control device comprising:
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an interface circuit which performs interface processing between the data transfer control device and a system device; a link controller which generates a packet to be transmitted to a target-side data transfer control device through a serial bus; and an internal register accessed by the system device through the interface circuit wherein interface information for specifying signal types of interface signals output from another interface circuit of the target-side data transfer control device is set in the internal register by the system device; and wherein the link controller generates a packet having the interface information set in the internal register, and transmits the packet to the target-side data transfer control device through the serial bus. - View Dependent Claims (14, 15, 16, 17, 18)
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Specification