Table 31. MII signal clocking

Mode

Direction

Pin name

In/Out

Note

 

 

 

 

 

PHY

TX

P_TXD[3:0]/M_RXD[3:0],

In

Clocked in by

 

 

P_TX_EN/M_RX_DV,

 

P_TX_CLK/M_RX_CLK

 

 

P_TX_ER/M_RX_ER

 

 

 

 

 

 

 

 

 

P_TX_CLK/M_RX_CLK

Out

 

 

 

 

 

 

 

RX

P_RXD[3:0]/M_TXD[3:0],

Out

Clocked out by MII_RX.

 

 

P_RX_DV/M_TX_EN,

 

 

 

 

P_RX_ER/M_TX_ER

 

 

 

 

 

 

 

 

 

P_RX_CLK/M_TX_CLK

Out

Inverted version of MII_RX.

 

 

 

 

 

MAC

TX

P_RXD[3:0]/M_TXD[3:0],

Out

Clocked out by

 

 

P_RX_DV/M_TX_EN,

 

P_RX_CLK/M_TX_CLK.

 

 

P_RX_ER/M_TX_ER

 

Max 25 ns round-trip delay.

 

 

 

 

 

 

 

P_RX_CLK/M_TX_CLK

In

 

 

 

 

 

 

 

RX

P_TXD[3:0]/M_RXD[3:0],

In

Clocked in by

 

 

P_TX_EN/M_RX_DV,

 

P_TX_CLK/M_RX_CLK

 

 

P_TX_ER/M_RX_ER

 

 

 

 

P_TX_CLK/M_RX_CLK

 

 

 

 

 

 

 

 

 

P_TX_CLK/M_RX_CLK

In

 

 

 

 

 

 

8.12 MDIO Port Timing

The MDIO port timing of HDMP-3001 conforms to the IEEE 802.3 specification, clause 22.

Label

Parameter

Min

Max

Units

 

 

 

 

 

MDC

MDC frequency

-

2.5

MHz

 

 

 

 

 

tSTASU

Setup MDIO to MDC high, STA driving MDIO

10

 

ns

tSTAHD

Hold MDIO from MDC high, STA driving MDIO

10

 

ns

tPHYVL

MDC high to MDIO valid, HDMP-3001 driving MDIO

 

300

ns

tMINHL

MDC minimum high and low time (duty cycle)

160

-

ns

117

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Image 117
Agilent Technologies HDMP-3001 manual MII signal clocking Mode Direction Pin name In/Out, Mdio Port Timing

HDMP-3001 specifications

Agilent Technologies, a prominent name in electronics and measurement technology, offers a wide range of products that cater to various industries. Among its notable offerings is the HDMP-3001, a high-speed, serial data transceiver designed to facilitate robust communications in electronic systems. The HDMP-3001 stands out with its ability to handle high bandwidths, making it particularly suited for applications requiring rapid data transfer, such as telecommunications, computer networking, and high-performance computing.

One of the main features of the HDMP-3001 is its advanced signaling technology. By employing differential signaling, the transceiver minimizes electromagnetic interference and enhances signal integrity. This is crucial in environments with multiple electronic devices operating simultaneously, as it ensures data is transmitted clearly and without degradation.

The HDMP-3001 operates at a maximum data rate of 1 Gbps, allowing for efficient data transfer over short distances. This capability is coupled with a flexible architecture that enables users to configure the transceiver for various applications. The device supports both point-to-point and point-to-multipoint configurations, giving engineers the versatility they need in designing communication links.

Moreover, the HDMP-3001 features on-chip clock recovery functionality, which simplifies system design by reducing the number of external components needed. This built-in feature allows the transceiver to maintain synchronization even as data rates increase, further enhancing performance.

The low power consumption characteristic of the HDMP-3001 is another notable advantage. This makes it an attractive choice for battery-operated devices and systems where power efficiency is critical. The transceiver’s design ensures optimal performance while minimizing heat generation and power draw, enabling longer operational lifetimes.

In terms of physical characteristics, the HDMP-3001 comes in a compact, surface-mount package, allowing for easier integration into various circuit board designs. The small form factor, combined with its innovative technology, makes it a popular choice among engineers seeking to improve data transmission reliability without compromising on space or power constraints.

Overall, Agilent Technologies' HDMP-3001 is a formidable solution for high-speed serial data transmission, characterized by its robust performance, low power consumption, and versatile configuration options. With these features, it continues to be an essential component in the evolving landscape of electronic communications.