R

-- DISCONTINUED PRODUCT --

Chapter 8: Configuration and Status

Table 8-13:Configuration Vector Bit Definition (Continued)

 

Configuration

 

 

Bit(s)

Register cross

Clock

Description

 

reference

 

 

 

 

 

 

62

“Flow Control

gtx_clk

Receive Flow Control Enable. When this bit

 

Configuration

 

is ‘1,’ received flow control frames will inhibit

 

Word” bit 30

 

the transmitter operation. When at ‘0,’

 

 

 

received flow frames are passed up to the

 

 

 

client.

 

 

 

 

63

“Receiver

gtx_clk

Length/Type Error Check Disable. When

 

Configuration

 

this bit is set to ‘1,’ the core will not perform

 

Word 1” bit 25

 

the length/type field error checks as

 

 

 

described in “Length/Type Field Error

 

 

 

Checks,” on page 43. When this bit is set to

 

 

 

‘0,’ the length/type field checks will be

 

 

 

performed: this is normal operation.

 

 

 

 

64

“Address Filter

gmii_rx_clk

Address Filter Enable. When this bit is ‘0,’

 

Mode” bit 31

 

the Address Filter is enabled. If it is set to ‘1,’

 

 

 

the Address Filter will operate in

 

 

 

promiscuous mode.

 

 

 

 

66:65

n/a

n/a

This input is unused.

 

 

 

 

67

“Receiver

gtx_clk

Control Frame Length Check Disable When

 

Configuration

 

this bit is set to ‘1,’ the core will not mark

 

Word 1” bit 24

 

control frames as ‘bad’ if they are greater than

 

 

 

the minimum frame length.

 

 

 

 

92

www.xilinx.com

1-Gigabit Ethernet MAC v8.5 User Guide

 

 

UG144 April 24, 2009

Page 92
Image 92
Xilinx UG144 manual Receive Flow Control Enable . When this bit

UG144 specifications

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