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TMPR4925 Datasheet(PDF) 451 Page - Toshiba Semiconductor |
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TMPR4925 Datasheet(HTML) 451 Page - Toshiba Semiconductor |
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451 / 590 page  Chapter 15 Interrupt Controller 15-1 15. Interrupt Controller 15.1 Characteristics The TX4925 on-chip Interrupt Controller (IRC) receives interrupt requests from the TX4925 on-chip peripheral circuitry as well as external interrupt requests then generates interrupt requests to the TX49/H2 processor core. Also, the Interrupt Controller has a 32-bit flag register that generates interrupt requests to either external devices or to the TX49/H2 core. The Interrupt Controller has the following characteristics. • Supports interrupts from 21 types of on-chip peripheral circuits and a maximum of 8 external interrupt signal inputs • Sets 8 priority interrupt levels for each interrupt input • Can select either edge detection or level detection for each external interrupt when in the interrupt detection mode • As a flag register used for interrupt requests, the Interrupt Controller contains a 32-bit readable/writeable register and can issue interrupt requests to external devices as well as to the TX49/H2 core (IRC interrupt). |
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