Overview
The DP83867ERGZ-R-EVM is an evaluation module (EVM) designed by Texas Instruments to support the DP83867 Ethernet PHY device. This module is compliant with the IEEE 802.3 standard and supports 1000BASE-T, 100BASE-TX, and 10BASE-T Ethernet speeds. It is particularly useful for developers looking to integrate gigabit Ethernet capabilities into their systems. The EVM includes various features such as on-board status LEDs, 5V connectors with onboard LDO regulators, and JTAG accessibility, making it a comprehensive tool for system evaluation and development.
Key Specifications
| Specification | Details |
|---|---|
| Ethernet Speeds | 1000BASE-T, 100BASE-TX, 10BASE-T |
| IEEE Compliance | IEEE 802.3 |
| MAC Interface | RGMII |
| Power Supply | Single 5V DC jack with onboard LDOs for 2.5V and 1.0V voltage rails |
| Clock Options | 25MHz crystal, 25MHz oscillator, or external 25MHz reference clock |
| Serial Management Interface | MDIO/MDC |
| JTAG Interface | Accessible through P1 |
| LED Indicators | Three onboard status LEDs for link, speed, and activity |
| Wake-on-LAN | Supported |
| IEEE 1588 Timestamp | Supported |
| Low Power Modes | Active sleep, passive sleep, IEEE power down, deep power down |
| I/O Voltage Range | 1.8V, 2.5V, 3.3V |
Key Features
- 1000BASE-T, 100BASE-TX, and 10BASE-T IEEE 802.3 compliance
- RGMII MAC interface support
- SFD IEEE 1588 timestamp capability
- Wake-on-LAN support
- Low power modes: active sleep, passive sleep, IEEE power down, and deep power down
- Three onboard status LEDs for link, speed, and activity indications
- JTAG interface for debugging and testing
- Serial management interface (MDIO/MDC) for accessing PHY registers
- Variable I/O voltage range: 1.8V, 2.5V, and 3.3V
- 1000BASE-T error-free data transfer over 125 meters on CAT5 cable
Applications
- Industrial: Factory Automation
- Wireless Communications Infrastructure: Base Stations, Small Cell, Microwave Backhaul
- Wireline Communications
- Test and Measurements
- Network Printers and Servers
- Consumer Electronics
Q & A
- What Ethernet speeds does the DP83867ERGZ-R-EVM support?
The DP83867ERGZ-R-EVM supports 1000BASE-T, 100BASE-TX, and 10BASE-T Ethernet speeds. - Is the DP83867ERGZ-R-EVM compliant with any IEEE standards?
Yes, it is compliant with the IEEE 802.3 standard. - What type of MAC interface does the DP83867ERGZ-R-EVM support?
The DP83867ERGZ-R-EVM supports the RGMII MAC interface. - How is the power supply for the DP83867ERGZ-R-EVM configured?
The power supply is configured through a single 5V DC jack with onboard LDOs providing 2.5V and 1.0V voltage rails. - Does the DP83867ERGZ-R-EVM support Wake-on-LAN?
Yes, it supports Wake-on-LAN. - What is the purpose of the serial management interface (MDIO/MDC) on the DP83867ERGZ-R-EVM?
The serial management interface allows access to the PHY registers for additional features. - Can the DP83867ERGZ-R-EVM be operated in different power modes?
Yes, it supports active sleep, passive sleep, IEEE power down, and deep power down. - What is the significance of the IEEE 1588 timestamp feature on the DP83867ERGZ-R-EVM?
The IEEE 1588 timestamp feature provides precise timing and synchronization capabilities. - How many onboard status LEDs does the DP83867ERGZ-R-EVM have?
The DP83867ERGZ-R-EVM has three onboard status LEDs. - What are some of the typical applications for the DP83867ERGZ-R-EVM?
Typical applications include industrial automation, wireless communications infrastructure, wireline communications, test and measurements, network printers and servers, and consumer electronics.
