Sundance-spas ST201 Manual do Utilizador descarregar pdf (Página 113)

113

Sundance Technology ST201 PRELIMINARY draft 2

INTERRUPTLINE

Class....................PCI Configuration Registers, Configuration

Base Address ......PCI device configuration header start

Address Offset.....0x3c

Access Mode.......Read/Write

Width ...................8 bits

BIT BIT NAME BIT DESCRIPTION

7..0 InterruptLine This register is written by the system to communicate to the device

driver which interrupt level is being used for the device. This allows the

driver to use the appropriate interrupt vector for its ISR. For 80x86 sys-

tems, the value in InterruptLine correspond to the IRQ numbers (0

through 15) of the standard dual 8259 configuration, and the value 255

correspond to “disabled”.

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Sundance-spas ST201 Manual do Utilizador Página 113