2.3 I/O Buffer Types

This section lists the types of some particular I/Os used in the HDMP-3001 chip.

Table 8. Buffer types

Buffer Type

I/O Name

Comment

 

 

 

O/D

APS_INTB

Need external P/U

Output

 

 

 

 

 

TS

P_RXD_M_TXD[0]

Controlled by the “Isolate MII” register bit

Output

P_RXD_M_TXD[1]

 

 

P_RXD_M_TXD[2]

 

 

P_RXD_M_TXD[3]

 

 

P_RX_DV_M_TX_EN

 

 

P_RX_ER_M_TX_ER

 

 

 

 

 

INT

See INT Pin Configuration Section

 

 

 

 

RDYB

Uses a T/S output buffer and logically drives high before output buffer is

 

 

released or tristated

 

 

 

Input

TMS, TRSTB, TDI

 

w/

 

 

Internal P/U

 

 

 

 

 

Bidirectional

P_TX_CLK_M_RX_CLK

 

w/

 

 

P_RX_CLK_M_TX_CLK

 

Internal P/U

 

for input

SDA

P/U can be disabled if there is an external P/U

mode

 

 

SCL

 

 

 

 

 

 

 

GPIO [15:0]

 

 

 

 

Note:

All of the internal P/Us are normally enabled, and they can be disabled through the JTAG port, with the exception of SCL and SDA. The pullups on these two pins can be disabled using controls from register 0x003 bits [5:4].

16

Page 16
Image 16
Agilent Technologies HDMP-3001 manual I/O Buffer Types, Buffer types Buffer Type Name Comment, Tms, Trstb, Tdi

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.