Motorola MVME2300 Series manual Block Diagrams, Falcon Pair Used with Dram in a System

3

Falcon ECC Memory Controller Chip Set

Block Diagrams

Figure 3-1depicts a Falcon pair as it would be connected in a system. Figure 3-2shows the Falcon’s internal data paths. Figure 3-3shows the overall DRAM connections.

PowerPC 60x Bus

Lower PowerPC

Data (32Bits)

FALCON

PowerPC	Bus
	Serial
Address &
Control

FALCON

Upper PowerPC

Data (32 Bits)

Lower DRAM

Data (64 Bits)

Lower DRAM

Address & Control

Lower DRAM

Check-bits (8 Bits)

Upper DRAM

Data (64 Bits)

Upper DRAM

Address & Control

Upper DRAM

Check-bits (8 Bits)

Data

Check

Data

Check

Lower

DRAM

ARRAYS

Upper

DRAM

ARRAYS

1900 9609

Figure 3-1. Falcon Pair Used with DRAM in a System

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