Ethernet IO Expander

Features:

• Ethernet
• MCP3017 I2C IO Expansion
• DIN-rail / Wall mountable
• Fully enclose
• Reverse-proof, ESD protection, anti-surge
• support open source library

• 16-bit remote bidirectional I/O port - I/O pins default to input
• High-speed I2C™ interface (MCP23017) - 100 kHz - 400 kHz - 1.7 MHz
• Three hardware address pins to allow up to eight devices on the bus
• Configurable interrupt output pins - Configurable as active-high, active-low or open-drain
• INTA and INTB can be configured to operate independently or together
• Configurable interrupt source - Interrupt-on-change from configured register defaults or pin changes
• Polarity Inversion register to configure the polarity of the input port data
• External Reset input
• Low standby current: 1 µA (max.)
• Operating voltage: - 1.8V to 5.5V @ -40°C to +85°C - 2.7V to 5.5V @ -40°C to +85°C - 4.5V to 5.5V @ -40°C to +125°C

W5500 Features:

• Supports Hardwired TCP/IP Protocols : TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE
• Supports 8 independent sockets simultaneously
• Supports Power down mode
• Supports Wake on LAN over UDP
• Supports High Speed Serial Peripheral Interface(SPI MODE 0, 3)
• Internal 32Kbytes Memory for TX/RX Buffers
• 10BaseT/100BaseTX Ethernet PHY embedded
• Supports Auto Negotiation (Full and half duplex, 10 and 100-based )
• Not supports IP Fragmentation
• 3.3V operation with 5V I/O signal tolerance
• LED outputs (Full/Half duplex, Link, Speed, Active)
• 48 Pin LQFP Lead-Free Package (7x7mm, 0.5mm pitch)

FRC Pinout: