CS8900A-IQ3Z

The CS8900A-IQ3Z is a low-cost, highly integrated Ethernet controller from Cirrus Logic. It is designed to provide Ethernet networking capabilities to embedded systems with minimal external components. The CS8900A-IQ3Z supports 10 Mbps data transfer rates and is ideal for applications requiring reliable and efficient network connectivity.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• VDD: Power Supply
• GND: Ground
• TXD: Transmit Data
• RXD: Receive Data
• CS: Chip Select
• INT: Interrupt
• RESET: Reset Pin
• A0-A15: Address Bus
• D0-D7: Data Bus
• RD: Read Strobe
• WR: Write Strobe
• ALE: Address Latch Enable

Circuit Diagram

A circuit diagram illustrating the connections and operation of the CS8900A-IQ3Z in a typical application can be found in the device's datasheet.

Key Features

• Integrated Ethernet MAC and PHY: The CS8900A-IQ3Z combines both the Media Access Controller (MAC) and Physical Layer (PHY) in a single chip, reducing the need for external components.
• 10 Mbps Data Transfer: Supports 10 Mbps Ethernet data transfer rates, suitable for various networking applications.
• Low Power Consumption: Designed for low power consumption, making it ideal for power-sensitive applications.
• IEEE 802.3 Compliance: Fully compliant with IEEE 802.3 standards for Ethernet networking, ensuring compatibility with other network devices.
• RoHS Compliant: The CS8900A-IQ3Z is compliant with the Restriction of Hazardous Substances (RoHS) directive, ensuring environmental friendliness.

Note: For detailed technical specifications, refer to the CS8900A-IQ3Z datasheet.

Application

• Embedded Systems: Adding Ethernet connectivity to microcontroller-based systems.
• Industrial Automation: Used in industrial control systems and networking equipment.
• Consumer Electronics: Suitable for use in consumer electronics requiring network connectivity.
• Home Automation: Ideal for home automation devices requiring Ethernet communication.

Functionality

The CS8900A-IQ3Z provides reliable Ethernet connectivity for embedded applications, combining ease of integration with robust performance.

Usage Guide

• Power Supply: Connect VDD to the appropriate power supply voltage and GND to ground.
• Data Interface: Connect the TXD and RXD pins for transmitting and receiving Ethernet data.
• Command and Control: Use the CS, INT, and RESET pins for command and control operations.
• Address and Data Bus: Connect the A0-A15 address bus and D0-D7 data bus for communication with the host system.
• Clock Input: Provide a clock signal to the CLK pin to synchronize internal operations.

Frequently Asked Questions

Q: What type of Ethernet does the CS8900A-IQ3Z support?

A: The CS8900A-IQ3Z supports 10Base-T Ethernet, which is compliant with the IEEE 802.3 standard.

Q: Can the CS8900A-IQ3Z be used in battery-powered applications?

A: Yes, the CS8900A-IQ3Z is optimized for low power consumption, making it suitable for battery-powered and energy-efficient applications.

Q: Does the CS8900A-IQ3Z support external memory for packet buffering?

A: The CS8900A-IQ3Z includes on-chip RAM for packet buffering, reducing the need for external memory.

Q: What host interfaces does the CS8900A-IQ3Z support?

A: The CS8900A-IQ3Z supports multiple host interfaces, including ISA, providing flexibility in connecting to different types of microcontrollers and processors.