IP-POSPHY4 Altera, IP-POSPHY4 Datasheet - Page 28
![IP CORE - POS-PHY Level 4 SPI 4.2 Interface](/photos/24/19/241943/4696146_sml.jpg)
IP-POSPHY4
Manufacturer Part Number
IP-POSPHY4
Description
IP CORE - POS-PHY Level 4 SPI 4.2 Interface
Manufacturer
Altera
Type
MegaCorer
Datasheet
1.IP-POSPHY4.pdf
(144 pages)
Specifications of IP-POSPHY4
Software Application
IP CORE, Interface And Protocols, COMMUNICATION
Supported Families
Arria GX, Cyclone, HardCopy, Stratix
Core Architecture
FPGA
Core Sub-architecture
Arria, Cyclone, Stratix
Rohs Compliant
NA
Function
POS-PHY Level 4 Interface, Link-Layer/PHY Layer
License
Initial License
Lead Free Status / RoHS Status
na
Lead Free Status / RoHS Status
na
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3–6
Optional Features
Figure 3–2. Receiver Optional Features
POS-PHY Level 4 MegaCore Function User Guide
Figure 3–2 on page 3–6
These parameters allow you to enable additional features that the MegaCore function
provides. Each parameter may increase or decrease the number of logic resources.
Turn on Atlantic error checking to add a packet filtering module to the write side of
every Atlantic FIFO buffer. The packet filtering module ensures that only properly
formatted packets are passed through the Atlantic FIFO buffer. When you turn off
Atlantic error checking, the packet filtering module is not added.
The packet filtering module corrects start-of-packet (SOP) and end-of-packet (EOP)
errors before writing packets into the FIFO buffer. For a missing SOP (where data or
an EOP is received for a port without first having received a SOP), an error output is
asserted, and data is not written to the buffer until a SOP is received. For a missing
EOP (where a SOP is received before the previous packet’s EOP), the current packet is
terminated by an EOP, and ERR is asserted. The next packet is stored normally.
For individual buffers variations with a large number of ports, the Atlantic error
checking increases the amount of logic.
Atlantic error checking is often desirable for receivers, but less applicable for
transmitters because the incoming user-Atlantic data may be presumed correct.
shows the Optional Features tab.
December 2010 Altera Corporation
Chapter 3: Parameter Settings
Optional Features
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