Overview
The DP83849IDVS-EVK is an evaluation kit designed by Texas Instruments to facilitate the development and evaluation of systems incorporating the DP83849IDVS Ethernet PHY (Physical Layer) transceiver. This kit is part of the PHYTER™ family and is aimed at helping customers quickly design and market systems that utilize the DP83849IDVS device. The DP83849IDVS-EVK includes the DP83849 Demo II board, a printed user's guide, the board's schematic, and a licensing agreement.
The kit is particularly useful for demonstrating the key features and functionalities of the DP83849IDVS, which includes support for dual industrial temperature ranges and flexible port switching with 10/100 Mb/s Ethernet capabilities.
Key Specifications
| Specification | Description |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | DP83849IDVS-EVK |
| Product Status | Obsolete |
| Type | Interface |
| Function | Ethernet |
| Utilized IC / Part | DP83849IDVS |
| Interfaces | MII, RMII, SNI, RJ-45, JTAG, CLK2MAC, Integrity Interface |
| Power Supply | 5V/3V via MII connector or POE connector |
| On-board Clock | Crystal/Oscillator Dual Footprint – 25/50 MHz |
| PCB Layout | FR4 material, 4 layers, dual-sided component placement |
| Dimensions | 5.875” (height) x 5.25” (length) |
Key Features
- Multiple PHY Addresses: Default are 00h (Port A), 01h (Port B) with incrementing even and odd values up to 30h and 31h respectively.
- 9 LEDs: 1 power, 2 INTERRUPT, 6 others (2 LINK, 2 SPEED, 2 ACT/COL) dependent on LED mode selected.
- Strap Options for Ports (A and B): ED_EN, MDIX_EN, LED_CFG, Auto-Negotiation.
- FX_EN jumper for enabling fiber mode on Port B.
- SNI_MODE and MII_MODE resistors for setting 10 Mb SNI mode and RMII mode respectively.
- EXTENDER_EN jumper for setting Extender mode.
- CLK2MAC_DIS jumper to disable clock to MAC output.
- RESET_N jumper for external reset.
- PWR_DWN/INT jumper for setting the device into Interrupt mode.
- Connections for MII, RJ-45, JTAG, CLK2MAC, and Integrity Interface.
Applications
The DP83849IDVS-EVK is designed for use in various Ethernet-based applications, including but not limited to:
- Industrial Ethernet systems requiring dual industrial temperature support.
- Network devices that need flexible port switching and 10/100 Mb/s Ethernet capabilities.
- Development of systems that require IEEE 802.3 MII, RMII, or SNI interfaces.
- SmartBits/Netcom equipment and other network testing tools.
Q & A
- What is the purpose of the DP83849IDVS-EVK?
The DP83849IDVS-EVK is designed to help customers evaluate and develop systems using the DP83849IDVS Ethernet PHY transceiver.
- What are the key interfaces supported by the DP83849IDVS-EVK?
The kit supports MII, RMII, SNI, RJ-45, JTAG, CLK2MAC, and Integrity Interface.
- How is power supplied to the DP83849IDVS-EVK?
Power is supplied via the 5V/3V MII connector or through a POE connector.
- What are the dimensions of the DP83849IDVS-EVK board?
The board dimensions are 5.875” (height) x 5.25” (length).
- What is the significance of the EXTENDER_EN jumper?
The EXTENDER_EN jumper allows the device to be set into Extender mode, which is supported by the DP83849IVS and DP83849IFVS.
- Can the DP83849IDVS-EVK be used for fiber mode?
Yes, the DP83849IDVS-EVK supports fiber mode through the FX_EN jumper on Port B.
- How many LEDs are on the DP83849IDVS-EVK and what do they indicate?
The board has 9 LEDs: 1 power LED, 2 INTERRUPT LEDs, and 6 other LEDs indicating LINK, SPEED, and ACT/COL status.
- What is the default PHY address setting for the DP83849IDVS-EVK?
The default PHY addresses are 00h for Port A and 01h for Port B.
- Is the DP83849IDVS-EVK suitable for extreme temperature ranges?
No, the reference design was not intended for operation over extreme temperature ranges.
- What is the current status of the DP83849IDVS-EVK?
The DP83849IDVS-EVK is listed as obsolete.
