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2 input/output pins, 3 register descriptions – Renesas SH7641 User Manual

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Section 10 Interrupt Controller (INTC)

Rev. 4.00 Sep. 14, 2005 Page 221 of 982

REJ09B0023-0400

10.2 Input/Output

Pins

Table 10.1 shows the INTC pin configuration.

Table 10.1 Pin Configuration

Name Abbreviation

I/O

Description

Nonmaskable interrupt input pin

NMI

Input Input of interrupt request signal, not

maskable by the interrupt mask bits in
SR

Interrupt input pins

IRQ7 to IRQ0 Input Input of interrupt request signals,

maskable by the interrupt mask bits in
SR

10.3 Register

Descriptions

The INTC has the following registers. For details on register addresses and register states during
each processing, refer to section 24, List of Registers.

• Interrupt control register 0 (ICR0)
• Interrupt control register 1 (ICR1)
• Interrupt control register 3 (ICR3)
• Interrupt priority register B (IPRB)
• Interrupt priority register C (IPRC)
• Interrupt priority register D (IPRD)
• Interrupt priority register E (IPRE)
• Interrupt priority register F (IPRF)
• Interrupt priority register G (IPRG)
• Interrupt priority register H (IPRH)
• Interrupt priority register I (IPRI)
• Interrupt priority register J (IPRJ)
• Interrupt request register 0 (IRR0)
• Interrupt mask register 0 (IMR0)
• Interrupt mask register 1 (IMR1)
• Interrupt mask register 2 (IMR2)
• Interrupt mask register 3 (IMR3)
• Interrupt mask register 4 (IMR4)
• Interrupt mask register 5 (IMR5)

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