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摘要: 摘要:在当今的信息化社会,广域网(WAN)和局域网(LAN)之间的界线正在变得模糊。电信运营商传统上通过T1、E1或更高速率的介质例如光纤为客户提供WAN连接。然而,典型的LAN都是在用户驻地,通过以太网连接而成的。为了桥接WAN和LAN,用户通常需要购置多个设备或一个多协议系统,来为两个网络提供公共连接。为了简化WAN和LAN的桥接,DallasSemiconductor(MaximIntegratedProducts的全资子公司)创新性地推出了ELITE(以太网链路传送引擎
Device | Part Count | Description | Vendor |
DS33Z11 | 1 | 3.3V/1.8V single-port Ethernet-to-serial interface | Maxim Integrated Products |
DS21348 | 1 | 3.3V single-port T1/E1 line interface unit (LIU) | Maxim Integrated Products |
DP83846A | 1 | 3.3V single-port 10/100 Ethernet transceiver | National Semiconductor |
MT48LCM32B2 | 1 | 3.3V 128Mb SDRAM | Micron Technology |
Microcontroller | 1 | 3.3V 8- or 16-bit microcontroller | Various |
NTH089AA3-25.0000 | 1 | 25.000MHz oscillator, 3.3V | Saronix |
NTH089AA3-1.5440 | 1 | 1.544MHz oscillator, 3.3V | Saronix |
NTH089AA3-2.0480 | 1 | 2.048MHz oscillator, 3.3V | Saronix |
H1012B or PE-68515L | 1 | 16-pin SMT 1:1CT 10/100Base-T transformer | Pulse Engineering |
TX1099 | 1 | 16-pin SMT multitap transformer | Pulse Engineering |
RJ-45 Jack | 2 | 8-Pin, RJ-45 right-angle jack | Various |
Power supply/connector | 1 | Power-supply circuitry | Various |
Resistor | Pullup and bias resistors | Various | |
Capacitor | Power and decoupling capacitors | Various | |
LED | Power, LAN, and WAN connection indication | Various |
型号 | 厂商 | 价格 |
---|---|---|
EPCOS | 爱普科斯 | / |
STM32F103RCT6 | ST | ¥461.23 |
STM32F103C8T6 | ST | ¥84 |
STM32F103VET6 | ST | ¥426.57 |
STM32F103RET6 | ST | ¥780.82 |
STM8S003F3P6 | ST | ¥10.62 |
STM32F103VCT6 | ST | ¥275.84 |
STM32F103CBT6 | ST | ¥130.66 |
STM32F030C8T6 | ST | ¥18.11 |
N76E003AT20 | NUVOTON | ¥9.67 |