{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8531893","patent":{"patent_number":"US-8531893","title":"Semiconductor device and data processor","assignee":null,"inventors":[],"filing_date":"2012-11-11T00:00:00.000Z","publication_date":"2013-09-10T00:00:00.000Z","cpc_codes":["G06F","G06F"],"num_claims":7,"abstract":"In a data processor having a bus controller that performs timing control of access from the CPU operated in synchronization with a high-speed first clock signal to a peripheral circuit operated in synchronization with a low-speed second clock signal, a timing control circuit is provided between the peripheral circuit and the bus controller, and the bus controller causes, in response to a read instruction from the peripheral circuit, the timing control circuit to output data held by the peripheral circuit to the bus controller in synchronization with the cycle of the high-speed clock signal, causes the timing control circuit to start, in response to a write instruction directed to the peripheral circuit, writing into the peripheral circuit in synchronization with the cycle of the high-speed clock signal, and terminates the writing in synchronization with the cycle of the low-speed clock signal."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Semiconductor device and data processor","description":"In a data processor having a bus controller that performs timing control of access from the CPU operated in synchronization with a high-speed first clock signal to a peripheral circuit operated in syn","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8531893","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-8531893","citation_suggestion":"Patentable. \"Semiconductor device and data processor\" (US-8531893). https://patentable.app/patents/US-8531893","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8531893","json":"https://patentable.app/api/llm-context/US-8531893","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T11:20:06.380Z"}