Motorola MVME2300 Series - Manual (Page 164)

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Falcon ECC Memory Controller Chip Set
3
Block Diagrams
Figure 3-1 depicts a Falcon pair as it would be connected in a system.
Figure 3-2 shows the Falcon’s internal data paths. Figure 3-3 shows the
overall DRAM connections.
Figure 3-1. Falcon Pair Used with DRAM in a System
1900 9609
Lower PowerPC
Check
Data
F
A
LCON
F
A
LCON
Lower
DRAM
ARRAYS
Check
Data
Upper
DRAM
ARRAYS
Data (32Bits)
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)
Upper PowerPC
Data (32 Bits)
PowerPC
Address &
Control
Se
ri
a
l Bu
s
PowerPC 60x
Bus