PEB20256EV21GXP Infineon Technologies, PEB20256EV21GXP Datasheet - Page 94
PEB20256EV21GXP
Manufacturer Part Number
PEB20256EV21GXP
Description
Manufacturer
Infineon Technologies
Datasheet
1.PEB20256EV21GXP.pdf
(232 pages)
Specifications of PEB20256EV21GXP
Operating Supply Voltage (typ)
2.5/3.3V
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Lead Free Status / Rohs Status
Compliant
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4.7.2
Mailbox interrupts are stored in an internal interrupt FIFO which is located inside the
MUNICH256 and can be read from either the local microprocessor or (for test purposes)
via the chip internal bridge from the host processor located on the PCI bus.
The interrupt FIFO triggers the LINT pin which indicates that there is at least one interrupt
vector available. Then the interrupt FIFO can be read from either PCI side or local bus
side. The interrupt vector contains a last indication when there is no further interrupt
vector stored in the internal interrupt FIFO.
•
Figure 4-15
Data Sheet
Mailbox Interrupts to the Local Bus
Mailbox Interrupt Notification
Microprocessor
Int. vector setup:
FCONF.MID
Interrupt bus II
Mailbox
3
EBU
IV
1. Mailbox forwards interrupt vector to
2. Interrupt controller asserts LINT (if
3. Microprocessor reads interrupt FIFO.
Interrupt FIFO
1
94
interrupt FIFO.
enabled).
2
Local uP interface
LINT
Interrupt Control:
INTCTRL
Interrupt status:
INTFIFO
MUNICH256
Functional Description
PEB 20256 E
PEF 20256 E
04.2001
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