 |
 | TMS320DM8148BCYE1 DM8148,下单请询价 | | ￥380 | | 售出0 |
| |  | TMS320DM8127BCYE2 大量到货 | | ￥380 | | 售出0 |
| |  | AR8031-AL1A 到货，AR8033-AL1A DM8127千兆以太网芯片 | | ￥45 | | 售出3 |
| |  | TMS320DM8168ACYG TMS320DM8168BCYG2 TMS320DM8127最新低价出售 | | ￥420 | | 售出0 |
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| | 原价：￥1225.0 | 节省：￥0 | | 套餐价：￥1225.0 |  |
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| 今日团购:TMS320DM8168ACYG2，8168低价促销，最新现货还剩149个 |
| | | 500 |  |
| | | | 1天 | 8时 | 23分 |  秒 | |
| | | |
|  | | 技术支持：超级店长 |
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| 8168套餐购买 | | 套餐搭配价：
￥630.0 |  | 原价：639.0
节约了：9.0 |
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AR8031 Integrated 10/100/1000 Mbps Ethernet
Transceiver
General Description termination R/C circuitry on both the MAC
interfaces (RGMII/SGMII) and the serial
The AR8031 is part of the Arctic family of resistors for the line side.
devices — which includes the AR8031, AR8033,
and AR8035. The AR8031 is Atheros’ 4th The AR8031 device also incorporates a 1.25
GHz SerDes. This interface can be connected
generation, single port, 10/100/1000 Mbps, Tri-
directly to a fiber-optic transceiver for 1000
speed Ethernet PHY. It supports both RGMII BASE-X /100 BASE-FX mode or to MAC
and SGMII interfaces to the MAC.
device for SGMII interface.
The AR8031 provides a low power, low BOM
The AR8031 supports both 1588v2 and
(Bill of Materials) cost solution for
synchronous Ethernet to offer a complete time
comprehensive applications including
synchronization solution to meet the next
enterprise, carrier and home networks such as
generation network requirements. The key new
CPE, home gateway, enterprise switch, carrier
switch/router, mobile base station and base features supported by the device are:
station controller, optical module and media n Clock synchronization between slave and
converter, industry automation and grandmaster by the exchange of PTP
measurement. packets. Supports IEEE 1588v2 by offering a
® 1588 paket parser, accurate time-stamping
The AR8031 integrates Atheros Green ETHOS and insertion to support both one-step and
power saving technologies and significantly two-step clock modes
saves power not only during the work time, n Supports both IEEE 1588v2 and
but also overtime. Atheros Green ETHOS® Synchronous Ethernet by offering recovered
power savings include ultra-low power in clock output from data on the network-line
cable unplugged mode or port power down side.
mode, and automatic optimized power saving The AR8031 supports IEEE 802.3az Energy
based on cable length. The AR8031 also Efficient Ethernet (EEE) standard. The key
supports IEEE 802.3az EEE standard (Energy features supported by the device are:
Efficient Ethernet) and Atheros proprietary
n 10 BASE-Te PHY uses reduced transmit
SmartEEE. SmartEEE allows legacy MAC/SoC
devices without 802.3az support to function as amplitude.
a complete 802.3az system. Further, the AR8031 n 100 BASE-TX and 1000 BASE-T use Low
supports Wake-on-LAN (WoL) feature to be Power Idle (LPI) mode to turn off unused
able to help manage and regulate total system analog and digital blocks to save power
while data traffic is idle.
power requirements.
The AR8031 embeds CDT (Cable Diagnostics
Test) technology on-chip which allows Features
customers to measure cable length, detect the n 10/100/1000 BASE-T IEEE 802.3 compliant
cable status, and identify remote and local PHY
n Supports 1000 BASE-T PCS and auto-
malfunctions, bad or marginal patch cord
negotiation with next page support
segments or connectors. Some of the possible
problems that can be detected include opens, n Supports RGMII and/or SGMII interfaces
to MAC devices
shorts, cable impedance mismatch, bad
connectors, termination mismatch, and a bad n Supports Fiber and Copper combo mode
transformer. when MAC interface works in RGMII mode
n Supports additional IEEE 1000 BASE-X and
The AR8031 requires only a single, 3.3V power 100 BASE-FX with Integrated SerDes
supply. On-chip regulators provide all the
other required voltages. It integrates the n RGMII timing modes support internal delay
and external delay on Rx path
