LAN88730 Datasheet, PDF (1/82 Pages) Microchip Technology – Small Footprint MII/RMII 10/100 Ethernet Transceiver for Automotive Applications

LAN88730
Small Footprint MII/RMII 10/100 Ethernet Transceiver for
Automotive Applications
Highlights
• Designed and tested for automotive applications
• Single-Chip Ethernet Physical Layer Transceiver
(PHY)
• Comprehensive flexPWR^® technology
- Flexible power management architecture
- LVCMOS Variable I/O voltage range: +1.8 V to
+3.3 V
- Integrated 1.2 V regulator
• HP Auto-MDIX support
• Small footprint 32-pin VQFN, RoHS-compliant
package (5 x 5 x 0.9 mm height)
• Deterministic 100 Mb internal loopback latency
(MII Mode)
Target Applications
• Diagnostic interface
(for dealership service bay)
• Fast software download
(e.g., OBD connector)
• Gateway service interface
(dealership, aftermarket repair shop)
• In-Vehicle engineering development interface
• Vehicle manufacturing test interface
(production plant assembly line)
• Legislated inspections
(emissions check, safety inspections)
Key Benefits
• High-performance 10/100 Ethernet transceiver
- Compliant with IEEE802.3/802.3u (Fast Ethernet)
- Compliant with ISO 802-3/IEEE 802.3
(10BASE-T)
- Loop-back modes
- Auto-negotiation
- Automatic polarity detection and correction
- Link status change wake-up detection
- Vendor specific register functions
- Supports both MII and the reduced pin count RMII
interfaces
• Power and I/Os
- Various low power modes
- Integrated power-on reset circuit
- Two status LED outputs
- May be used with a single 3.3 V supply
• Additional Features
- Ability to use a low cost 25 MHz crystal for
reduced BOM
• Packaging
- 32-pin VQFN (5 x 5 mm), RoHS-compliant
package with MII and RMII
• Environmental
- Automotive grade A temp. support
(-40°C to +85°C)
- Automotive grade B temp. support
(-40°C to +105°C)
 2012-2015 Microchip Technology Inc.
DS60001256B-page 1