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參數(shù)資料
| 型號： | DNCM00 |
| 廠商： | Lineage Power |
| 英文描述： | 10 Mbit/s Ethernet MAC ASIC Macrocell(10 M位/秒以太網(wǎng)MAC ASIC宏單元) |
| 中文描述： | 10 Mbit / s的以太網(wǎng)MAC ASIC的宏單元（位10米/秒以太網(wǎng)的MAC ASIC的宏單元） |
| 文件頁數(shù)： | 5/8頁 |
| 文件大?。?/td> | 73K |
| 代理商： | DNCM00 |
Advance Data Sheet
August 1996
DNCM00
10 Mbit/s Ethernet MAC ASIC Macrocell
Lucent Technologies Inc.
5
4
RXBYTE_[7:0]_
RXSOP
Receive Byte
Receive Start of Packet
detected that CRS is high and that RXC is being generated. Receive statistics are reset on
the falling edge of RXSOP.
Start-of-Frame Detect
(Active-High) (posedge RXC)
delimiter has been detected in a received packet (10101011).
Receive End of Packet
(Active-High) (posedge RXC)
tive and that receive statistics are valid for reading.
RX Byte Valid
(Active-High) (posedge RXC)
has been loaded into the RXBYTE_[7:0]_ latch.
Receiver Jabber
(Active-High) (posedge RXC)
greater than 1518 bytes and that the packet had a bad CRC or a FAE.
Frame Alignment Error
(Active-High) (posedge RXC)
with a bit count with a mod 8 remainder other than 0 and that the packet had an incorrect
CRC.
CRC Error
(Active-High) (posedge RXC)
. Indicates a packet was received with a bit count
with a mod 8 remainder equal to 0 and that the packet had an incorrect CRC.
RUNT Packet
(Active-High) (posedge RXC)
count (including CRC) < 64 and the packet had a good CRC.
Collision Fragment
(Active-High) (posedge RXC)
a byte count (including CRC) < 64 and the packet had a bad CRC or a FAE.
Long Packet
(Active-High) (posedge RXC)
. Indicates that receive packet length was
greater than 1518 bytes and the packet had a good CRC.
Physical Address
(Active-High) (posedge RXC)
packet was 0 and that at least 6 bytes of data were received.
Multicast Address
(Active-High) (posedge RXC)
received packet was 1, that all address bits were not 1, and that at least 6 bytes of data
were received.
Broadcast Address
(Active-High) (posedge RXC)
. Indicates that all 36 address bits were
1.
Short Frame
(Active-High) (posedge RXC)
. Indicates a frame was received with less than
80 bits of preamble and data.
Short Interframe Gap (Active-High) (posedge RXC)
. Indicates that the interframe gap
prior to the start of the packet was less than 9.6
μ
s.
Null Packet
(Active-High) (posedge RXC)
. Indicates that CRS and RXC were active for
some time and that no SFD sequence was detected.
(posedge RXC)
. An 8-bit latch which holds a byte of receive data.
(Active-High) (posedge RXC)
. Indicates that the receiver has
RXSFD
. Indicates that a start-of-frame
RXEOP
. Indicates that CRS has gone inac-
RXBVLD
. Active for 1 bit time after a new receive byte
RXJAB
. Indicates that receive packet length was
FAE
. Indicates a packet was received
CRC
RUNT
. Indicates a packet was received with a byte
FRAG
. Indicates a packet was received with
LONG
PHYS
. Indicates that the first bit of the received
MULT
. Indicates that the first bit of the
BRD
SHORT
IFG
NUL
Table 3. Additional Scan Outputs
I/O Terminal
TEST_SEI
TEST_SI1
TEST_SI2
TEST_SO1
TEST_SO2
Description
Scan Data Input Control (Input) (Active-High).
Used to control data input to scan flip-flops.
Scan Data Input to TXC Scan Chain (Input).
Scan Data Input to RXC Scan Chain (Input).
Scan Data Output for TXC Scan Chain (Output) (posedge TXC).
Scan Data Output for RRXC scan chain (Output) (posedge TXC).
Signal Information
(continued)
Table 2. Output Terminal Descriptions
(continued)
Output Terminal
Description
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