参数资料
型号: E-1110
英文描述: E-1110 10/100/1000 Mbits/s Ethernet MAC preliminary technical manual 4/01
中文描述: 电子1110 10/100/1000 Mbits /秒以太网MAC初步的技术手册4 / 01
文件页数: 61/108页
文件大小: 577K
代理商: E-1110
3-18
Signals
RX_STATUS_ACTIVE
Receive Status Indicator
Output
This signal is asserted for one clock cycle every time
there is a change in the MACRTX_STATUS[41:0] receive
status vector. It also is asserted for a minimum of two
clock cycles after the deassertion of the MRX_EOP
signal.
Receive Packet Length 1025
(packet length between 1024–1518)
RXSV25
Receive Packet Length 1519
(packet Length between 1519 to Maximum
Packet length indicated by MAX_PKT_LEN)
RXSV26
Received Oversized packet (packet Length >
MAX_PKT_LEN with valid CRC)
RXSV271
Good Packet Received
RXSV28
Multicast Packet Received
RXSV29
Broadcast Packet Received
RXSV30
Unicast Packet Received
RXSV31
Received MAC Control Packet with
Unsupported Opcode
RXSV32
Received Pause Control Frame
RXSV33
Receive Packet Overow
RXSV34
8B/10B or 4B/5B Code Violation Error
RXSV35
Reject the Received Frame (Bad Packet)
RXSV36
Carrier Event Previously Seen/Invalid SFD
RXSV37
Long Event Previously Seen
RXSV382
Invalid Preamble in the Received Packet
RXSV39
Dribble Nibble Seen in the Received Packet
RXSV402
False Carrier
RXSV41
1. The maximum packet is always 9,000 bytes. Received or
transmitted packets larger than 9,000 bytes are truncated.
The errors for oversize packets assume that the packet size
is greater than MAX_PKT_LEN and less than 9,000 bytes
2. Always 0 (or indicated status) when operating in Gigabit
mode.
Description
Vector Bit
Number
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