Emerson / Motorola PPMC750-1141 Processor PCI Mezzanine Card

The Emerson/Motorola PPMC750-1141 is a single-wide Processor PCI Mezzanine Card engineered for embedded computing and real-time processing applications. Built to IEEE P1386.1 standard, it integrates a Motorola MPC750 PowerPC processor with a 64-bit PCI host bridge in a compact 74 mm × 149 mm form factor, delivering high-performance computing capability within PCI-based systems.

## Technical Specifications

• **Processor:** Motorola MPC750 PowerPC operating at 233 MHz
• **Cache:** 1 MB backside L2 cache
• **Memory:** 64 MB ECC SDRAM with 144-bit ECC Memory Controller ASIC
• **Flash Memory:** 8 MB onboard
• **PCI Interface:** 64-bit PCI Host Bridge; 33 MHz PCI bus
• **Power Consumption:** 1.0 A typical; 1.5 A maximum

## Key Features

• Four 32-bit timers and two watchdog timers for real-time control
• Single asynchronous serial port for device communication
• Pn4 I/O connector supporting flash expansion and in-circuit debug
• JTAG/COP debug interface via Pn4 connector
• UL 94V-0 flammability-rated PCB construction
• FCC Part 15 Subpart B Class A and ICES-003 Class A certified; CE Mark compliant (EN55022 Class A emissions, EN55024 immunity)

## Typical Applications

The PPMC750-1141 is suited for embedded control systems, telecommunications infrastructure, industrial process automation, and mission-critical real-time applications requiring PowerPC processing with integrated PCI connectivity in a mezzanine card format.

## Compatibility & Integration

The card conforms to IEEE P1386.1 standard electrical and mechanical specifications, enabling direct integration into any PCI-based host system supporting single-wide PMC modules. Flash expansion and debug functionality are accessed through the Pn4 I/O connector, supporting both production and development workflows.