S5920Q Applied Micro Circuits Corporation, S5920Q Datasheet - Page 39
S5920Q
Manufacturer Part Number
S5920Q
Description
Manufacturer
Applied Micro Circuits Corporation
Datasheet
1.S5920Q.pdf
(165 pages)
Specifications of S5920Q
Operating Temperature (min)
0C
Operating Temperature Classification
Commercial
Operating Temperature (max)
70C
Package Type
PQFP
Rad Hardened
No
Lead Free Status / Rohs Status
Not Compliant
Available stocks
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Manufacturer
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Part Number:
S5920Q
Manufacturer:
AMCC
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S5920 – PCI Product: Signal Description
Table 20. Add-On Bus General Pins
AMCC Confidential and Proprietary
SYSRST#
ADDINT#
ADCLK
Pin 149
Pin 136
Pin 135
BPCLK
Pin 113
Signal
Pin 29
IRQ#
FLT#
Type
out
out
out
in
in
in
X
X
X
X
X
System Reset. An active-low buffered PCI bus RST# output signal. The signal is asynchro-
nous and can be asserted through software from the PCI host interface.
Buffered PCI Clock. This output is a buffered form of the PCI bus clock and has all of the
behavioral characteristics of the PCI clock (i.e., DC-to-33 MHz capability).
Add-On Clock. All internal S5920 Add-On bus logic is synchronous to this clock. The clock
is asynchronous to the PCI bus logic unless connected to the BPCLK signal.
Interrupt Request. This output signals to Add-On logic that a significant event has occurred
as a result of activity within the S5920.
Add-On interrupt. When enabled and asserted, this input will cause a PCI bus interrupt by
driving INTA# low. The input is level sensitive and can be driven by multiple sources. This
signal is connected to an internal pull-up.
Float. Floats all S5920 output signals when asserted. This signal is connected to an internal
pull-up
For factory use only. Must be left open.
For factory use only. Must be left open.
For factory use only. Must be left open.
For factory use only. Must be left open.
For factory use only. Must be left open.
Description
Revision 1.02 – April 12, 2007
Data Book
DS1596
39
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