Micrel offers energy efficient, highly integrated, compact and cost effective solutions in Fast and Gigabit Ethernet Physical Layer Transceivers.
Feature
- Single-chip 10/100/1000Mbps IEEE 802.3 compliant Ethernet Transceiver
- KSZ9021G features GMII/MII standard compliant interface
- KSZ9021R features RGMII interface compliant to RGMII Version 1.3
- GMII/MII/RGMII I/Os with 3.3V/2.5V tolerant and programmable timings to adjust and correct delays on both Tx and Rx paths
- Auto-negotiation to automatically select the highest link up speed (10/100/100Mbps) and duplex (half/full)
- On-chip termination resistors for the differential pairs
- On-chip LDO controller to support single 3.3V supply operation – requires only external FET to generate 1.2V for the core
- Jumbo frame support up to 16KB
- 125MHz Reference Clock Output
- Programmable LED outputs for link, activity and speed
- Baseline Wander Correction
- LinkMD® TDR-based cable diagnostics for identification of faulty copper cabling
- Parametric NAND Tree support for fault detection between chip I/Os and board.
- Loopback modes for diagnostics
