Q1: What are the main features of DAVICOM DM9000CIEP?
A: DM9000CIEP is an industrial temperature Fast Ethernet controller that integrates a general processor interface, 10/100M Ethernet PHY, MAC functions, and internal SRAM. It supports 8 bit and 16 bit processor interfaces, HP Auto MDIX, IEEE 802.3x full duplex flow control, 100M fiber interface, IP TCP UDP checksum processing, EEPROM configuration, and low power modes. The device supports 3.3 V operation with 5 V tolerant I/O and operates from -40 to +85 degrees C. It is available in a 48 pin LQFP package.
Q2: What is DM9000CIEP used for?
A: DM9000CIEP is used to add 10/100M Ethernet connectivity to embedded systems and processor based equipment. Typical applications include industrial controllers, networked embedded devices, communication equipment, automation systems, and other products that require a processor interface and integrated Ethernet MAC and PHY. Its wake up functions and low power modes are also useful for systems that need energy efficient network connectivity.
Q3: Does DM9000CIEP have any alternative manufacturer and part number?
A: Direct drop in alternatives are limited because the processor interface, pinout, integrated PHY, memory architecture, and software driver requirements must match the existing design. DAVICOM DM9000CEP is a closely related device, while DM9000A is another DAVICOM Ethernet controller that can be considered for some designs. Other manufacturers offer Ethernet controllers such as Microchip KSZ8851SNL and ENC28J60, but these parts have different interfaces and specifications and should not be considered direct replacements. Before substitution, check the host interface, Ethernet speed, PHY integration, package, pinout, supply voltage, memory architecture, driver support, and operating temperature.
Q4: Is technical support available for DM9000CIEP?
A: Yes. Technical support can cover Ethernet MAC and PHY configuration, 8 bit and 16 bit processor interface operation, Auto MDIX, EEPROM configuration, network initialization, wake up functions, low power modes, checksum processing, PCB layout, and replacement evaluation. DAVICOM also provides product documentation and development resources for its Ethernet controller products. Nantian Electronics can provide DM9000CIEP parameters, datasheet information, pin diagram instructions, quotation, and purchasing support.
