EVA 915.85.003 Embedded CPU Module for Industrial Computing

The EVA 915.85.003 is an embedded CPU module based on x86-compatible processor architecture, designed for industrial computing and automation applications requiring low-power, cost-effective processing. This module integrates a system-on-chip with processor core, memory controller, and peripheral interfaces into a compact form factor suitable for embedded systems. The 915.85.003 designation indicates the specific variant within the EVA embedded platform, manufactured to meet industrial-grade reliability and environmental specifications.

Technical Specifications

The EVA 915.85.003 features a 32-bit 486SX instruction set compatible processor core with operating frequency up to 150 MHz and 6-stage pipeline architecture. The processor includes 16 KB L1 cache for improved performance. The SDRAM controller supports PC100/PC133 memory with speeds up to 150 MHz, using 8/16-bit data bus and supporting up to 128 MB memory capacity. The system memory configuration supports 32 MB, 64 MB, or 128 MB SDRAM depending on application requirements. The module operates on core voltage of 1.8 V ±5% with analog I/O at 3.3 V ±5% and digital I/O at 3.3 V ±10%.

Integrated Interfaces

The EVA 915.85.003 includes extensive integrated interfaces for industrial connectivity. The module features PCI controller supporting 32-bit, 33 MHz operation with up to 3 PCI master devices and maximum transfer rate of 133 MB/s. The ISA bus interface supports AT clock programmable operation with 8/16-bit data and zero-wait-state capability. The module includes dual 10/100 Fast Ethernet MAC controllers with IEEE 802.3u MII interface and IEEE 802.3x flow control. The IDE controller supports two-channel Ultra-DMA 100 for PATA hard drives and solid-state storage. USB 1.1/2.0 host controller provides two USB ports supporting high-speed, full-speed, and low-speed modes.

I/O and Expansion

The EVA 915.85.003 includes up to 40 GPIO pins with 8 dedicated and 32 multi-functional pins, each individually configurable as inputs, outputs, or interrupt triggers. The module supports up to 5 UART COM ports compatible with 16C550/16C552 standards with programmable baud rates. I2C controller compliant with V2.1 supports standard, fast, and high-speed modes. SPI interface supports SPI flash boot capability. The chip select controller supports configurable I/O-map or memory-map with I/O addressing from 2-64 KB and memory addressing from 512 bytes to 4 GB.

Applications

The EVA 915.85.003 embedded CPU module is deployed in industrial computing and automation applications requiring x86 compatibility in a low-power package. Typical applications include industrial PC motherboards for control room workstations and machine operator interfaces, embedded controllers for automation equipment requiring PC-compatible processing, and human-machine interface (HMI) devices for industrial machinery. The module is also used in data acquisition systems, test and measurement equipment, and any industrial application where a compact, x86-compatible embedded processor with wide operating temperature range (-20°C to 85°C) and fanless operation is required.