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| 型号： | TS-MAC-XM-UT4 |
| 厂商： | Lattice Semiconductor Corporation |
| 文件页数： | 17/66页 |
| 文件大小： | 0K |
| 描述： | SITE LICENSE ETH MAC TRI-SPD XP |
| 标准包装： | 1 |
| 系列： | * |
| 其它名称： | TSMACXMUT4 |
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Lattice Semiconductor
Table 2-1. TSMAC IP Core Input and Output Signals
Functional Description
txen
txer
Port Name
Type
Output
Output
Active State
High
High
Description
Transmit Enable . Asserted by the TSMAC IP core to indicate the txd
bus contains valid frame.
Transmit Error . Asserted when the TSMAC IP core generates a coding
error on the byte currently being transferred.
Receive Data Valid . Indicates the data on the rxd bus is valid. Rxdv is
used in the SGMII Easy Connect MAC option and the Gigabit MAC
rxdv_pos 1
rxdv_neg 1
rxdv 2
Input
High
option. Rxdv_pos and rxdv_neg are used only in the Classic TSMAC IP
core interface option. This signal is pipelined before entering the core
with the rx_clk. Note the “_pos” signals are sampled on the rising edge
of the rxmac_clk and the “_neg” signals are sampled on the falling edge
of the rxmac_clk, before being presented to the MAC core.
See Figure 2-6 .
Receive Data Bus . Data is driven by the PHY on these lines, and is
valid whenever rxdv is asserted. These signals are pipelined before
entering the core with the rxmac_clk. Note the “_pos” signals are sam-
rxd_pos[7:0] 1
rxd_neg[3:0] 1
rxd[7:0] 2
Input
N/A
pled on the rising edge of the rxmac_clk and the “_neg” signals are sam-
pled on the falling edge of the rxmac_clk, before being presented to the
MAC core. See Figure 2-6 .
rxd[7:0] - Receive Data from the PHY Interface . These GMII Rx data
inputs (valid whenever rxdv is asserted) come from the SGMII_PCS IP
core (SGMII Easy Connect option) or from the 1G GMII PHY interface
Receive Data Error . This signal is asserted by the external PHY device
when it detects an error during frame reception. This signal is pipelined
before entering the core with the rxmac_clk. Note the “_pos” signals are
rxer_pos 1
rxer_neg 1
rxer 2
Input
High
sampled on the rising edge of the rxmac_clk and the “_neg” signals are
sampled on the falling edge of the rxmac_clk, before being presented to
the MAC core. See Figure 2-6 .
rxer - Receive Data Error from the PHY Interface . This GMII Rx error
input comes from the SGMII_PCS IP core (SGMII Easy Connect option)
or from the 1G GMII PHY interface (Gigabit MAC option). See Figure 2-7
Collision . This active-high signal indicates a collision occurred during
col
Input
High
transmission. This signal is valid for half-duplex operation in Fast Ether-
net (10/100) for the Classic and SGMII Easy Connect options only. Oth-
erwise, it is ignored.
Carrier Sense . This signal, when logic high, indicates the network has
crs
Input
High
activity. Otherwise, it indicates the network is idle. This signal is valid for
half-duplex operation in Fast Ethernet (10/100) for the Classic and
SGMII Easy Connect options only.
Receive MAC Application Interface
Receive FIFO Full . This signal indicates the Rx FIFO is full and cannot
rx_fifo_full
Input
High
accept any more data. This is an error condition and should never hap-
pen.
rx_write
rx_dbout[7:0]
Output
Output
High
N/A
Receive FIFO Write . This signal is asserted by the TSMAC IP core to
request a FIFO write.
Receive FIFO Data Output . This bus contains the data that is to be writ-
ten into the Receive FIFO.
IPUG51_03.0, December 2010
17
Tri-Speed Ethernet MAC User’s Guide
相关PDF资料 |
PDF描述 |
|---|---|
| TS250-130F-2 | POLYSWITCH PTC RESET 0.13A SMD |
| TS250-130F-B-0.5-2 | POLYSWITCH PTC RESET 0.13A SMD |
| TS250-130F-RB-2 | POLYSWITCH PTC RESET 0.13A SMD |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TSMBG0505C | 制造商:未知厂家 制造商全称:未知厂家 功能描述:SINGLE BIDIRECTIONAL BREAKOVER DIODE|100V V(BO) MAX|DO-215AA |
| TSMBG0506C | 制造商:未知厂家 制造商全称:未知厂家 功能描述:SINGLE BIDIRECTIONAL BREAKOVER DIODE|110V V(BO) MAX|DO-214AA |
| TSMBG0507C | 制造商:未知厂家 制造商全称:未知厂家 功能描述:SINGLE BIDIRECTIONAL BREAKOVER DIODE|145V V(BO) MAX|DO-214AA |
| TSMBG0509C | 制造商:未知厂家 制造商全称:未知厂家 功能描述:SINGLE BIDIRECTIONAL BREAKOVER DIODE|185V V(BO) MAX|DO-215AA |
| TSMBG0510C | 制造商:未知厂家 制造商全称:未知厂家 功能描述:SINGLE BIDIRECTIONAL BREAKOVER DIODE|200V V(BO) MAX|DO-214AA |
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