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14 interrupts – Sundance SMT300Q v.1.6 User Manual

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User Manual (QCF42); Version 3.0, 8/11/00; © Sundance Multiprocessor Technology Ltd. 1999

14 Interrupts

14.1 SMT300Q-To-CompactPCI Interrupts

TBC INT

INTA

INTD

PCI Bridge

INTD

C40 IE

IBF IE

OBE IE

TBC IE

DSP INT

IBF INT

OBE INT

TIMIIOF0

TIMIIOF1

TIMIIOF2

INTERRUPT

CONTROL

REGISTER

STATUS

REGISTER

JTAG INT

CONTROL EPLD

INTB

INTC

INTERRUPT

CONTROL

REGISTER

DSP IIOF0

ENABLE

DSP IIOF1

ENABLE

DSP IIOF2

ENABLE

Figure 10 : SMT300Q to CompactPCI Interrupts

Interrupts can also be caused by the SMT300Q by writing or reading the mailbox
registers in the CompactPCI Bridge.