ENC28J60-I-SO Detai LED explanation of pin function specifications and circuit principle instructions

The " ENC28J60-I/SO " is a model of an Ethernet controller from Microchip Technology. It is part of the ENC28J60 family, a standalone Ethernet controller designed to provide a network interface for embedded systems.

Here’s an overview based on your request for detai LED pin functions, packaging, and FAQs:

ENC28J60-I/SO Pin Function Specifications

Package Type: SO (Small Outline Package) Pin Count: 28 Pins (SO-28 package) Pinout Table for ENC28J60-I/SO: Pin Number Pin Name Description 1 VSS Ground pin. 2 VDD Power supply pin (typically 3.3V or 5V, depending on the configuration). 3 SCK Serial Clock (SPI communication, connected to the clock signal of SPI). 4 SI Serial Input (SPI, data input to the ENC28J60). 5 SO Serial Output (SPI, data output from the ENC28J60). 6 CS Chip Select (SPI communication, used to select the ENC28J60 for communication). 7 INT Interrupt pin (active low, used to signal the processor when an interrupt is triggered). 8 RESET Reset pin (used to reset the ENC28J60 controller). 9 RXD0 Data receive (Ethernet data input). 10 RXD1 Data receive (Ethernet data input). 11 TXD0 Data transmit (Ethernet data output). 12 TXD1 Data transmit (Ethernet data output). 13 COL Collision detect (used to detect Ethernet transmission collisions). 14 CRS Carrier Sense (used to detect the presence of a valid carrier signal). 15 VSS Ground pin. 16 VDD Power supply pin. 17 RX_ER Receive error (used to indicate errors in received Ethernet frames). 18 TX_ER Transmit error (indicates errors in transmitted Ethernet frames). 19 MDC Management Data Clock (for PHY management interface). 20 MDIO Management Data Input/Output (for PHY management interface). 21 RSTOUT Reset output (used to signal an external reset is active). 22 LED1 Status LED1 output (used for Ethernet connection status). 23 LED2 Status LED2 output (indicates transmission activity). 24 NC No connection (unused pin). 25 NC No connection (unused pin). 26 NC No connection (unused pin). 27 NC No connection (unused pin). 28 NC No connection (unused pin). Circuit Principle Overview: ENC28J60 communicates with external devices via the SPI interface (Serial Peripheral Interface). It manages Ethernet communication through the MII (Media Independent Interface) and PHY (Physical Layer) communication standards. It is designed to connect microcontrollers or processors to an Ethernet network and supports both half and full-duplex communication.

20 Common FAQs about ENC28J60-I/SO:

What is the main purpose of the ENC28J60-I/SO Ethernet controller? The ENC28J60-I/SO is used to provide Ethernet connectivity to embedded systems via SPI interface, enabling network communication. What is the typical operating voltage for the ENC28J60-I/SO? The ENC28J60-I/SO typically operates at 3.3V or 5V, depending on the configuration. How does the SPI communication work with the ENC28J60? SPI communication is done using the pins SI (Serial Input), SO (Serial Output), SCK (Clock), and CS (Chip Select). What is the purpose of the INT pin on the ENC28J60-I/SO? The INT pin is used to signal interrupts to the microcontroller, indicating that the ENC28J60 has an event that needs attention. How can the ENC28J60 be reset? The ENC28J60 can be reset via the RESET pin, which should be pulled low to reset the device. What are the LED pins for? The LED1 and LED2 pins are used to indicate the status of the Ethernet connection, such as link activity and transmission. How does the ENC28J60 handle errors in transmission? The ENC28J60 uses the TX_ER pin to signal errors in transmission, and the RX_ER pin to signal receive errors. What is the role of the COL and CRS pins? COL detects Ethernet transmission collisions, and CRS detects the presence of a carrier signal on the network. Can the ENC28J60 support both half and full-duplex communication? Yes, the ENC28J60 supports both half and full-duplex Ethernet communication.

How does the ENC28J60 interface with a microcontroller?

The ENC28J60 interfaces with a microcontroller through SPI communication for data transfer and configuration.

What is the function of the MDC and MDIO pins?

The MDC and MDIO pins are used for management communication between the ENC28J60 and an external PHY device.

Can I use the ENC28J60 for high-speed network applications?

The ENC28J60 supports 10/100Mbps Ethernet communication, but its speed is generally lower compared to newer Ethernet chips.

What type of Ethernet cables can be used with ENC28J60?

The ENC28J60 supports standard Ethernet cables, including Cat 5 or higher twisted pair cables.

What is the physical interface used for Ethernet?

The ENC28J60 uses the MII interface to connect to an external PHY for Ethernet communication.

Is it necessary to connect all unused pins of the ENC28J60?

Unused pins such as NC (No Connection) should not be connected, as they are reserved for future use or are not functional in this model.

How do I troubleshoot a connection issue with ENC28J60?

Check for proper power supply, correct SPI wiring, and verify the LED indicators for activity.

What software libraries support the ENC28J60?

Microchip provides several libraries for the ENC28J60, and open-source libraries such as Micro-Ethernet can be used in various development environments.

Can the ENC28J60 be used for both IPv4 and IPv6?

Yes, the ENC28J60 can support both IPv4 and IPv6 networks, but the software stack needs to support these protocols.

What is the significance of the RSTOUT pin?

The RSTOUT pin is used to signal an external reset action or alert that a reset event has occurred.

How do I manage power consumption with the ENC28J60?

Power consumption can be managed by configuring the device to enter sleep modes during inactivity or adjusting the operating voltage.

This explanation provides detailed insights into the ENC28J60-I/SO model, including the pin functions, circuit overview, and common FAQs. Let me know if you need further clarification on any section!