RPIXP2800BC Intel, RPIXP2800BC Datasheet - Page 128
RPIXP2800BC
Manufacturer Part Number
RPIXP2800BC
Description
Manufacturer
Intel
Datasheet
1.RPIXP2800BC.pdf
(154 pages)
Specifications of RPIXP2800BC
Operating Supply Voltage (typ)
1.3/1.5/2.5/3.3V
Operating Supply Voltage (max)
1.575/2.7/3.465V
Operating Supply Voltage (min)
1.235/2.3/3.135V
Mounting
Surface Mount
Operating Temperature (max)
70C
Operating Temperature (min)
0C
Operating Temperature Classification
Commercial
Lead Free Status / Rohs Status
Not Compliant
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IXP28XX Network Processor
Slowport
7.1
Figure 75.
128
Slowport Interface
The PROM or microprocessor access via the Slowport can be asynchronous. Insertion of delay
cycles is possible for both setup and hold data; the Slowport includes a programmable timing
control mechanism for this purpose. For Slowport programming and timing setup, refer to the
Intel® IXP2400 and IXP2800 Network Processor Programmer’s Reference Manual.
The Slowport unit contains two types of interface and two ports:
Access to each of these interfaces is differentiated by two chip selects, SP_CS[n]. External decode
logic is required to latch the address and data.
Examples of the Slowport interface configuration on the IXP28XX network processor is shown in
Figure 75
Example Ingress IXP28XX Network Processor Slowport Configuration
•
•
Flash memory interface with a dedicated port used for the PROM device
Microprocessor interface used for SONET/SDH Framer Microprocessor access
for ingress and in
Platform
ngress
ntel
XP2800
®
Slowport
Figure 76
Slowport
for egress.
4 Char Alphanumeric
Debug Display
CPLD
Flash 8-bit Interface
Intel
Hardware Design Guide
NetROM
16 M yte
®
28F128J3A
3948-01
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