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8 main memory, 1 memory interface, Figure 4-5 – Artesyn COMX-P40x0 ENP2 Installation and Use (August 2014) User Manual

Page 66: Memory interface

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Functional Description

COMX-P40x0 ENP2 Installation and Use (6806800R95B)

66

4.8

Main Memory

4.8.1

Memory Interface

QorIQ P40x0 supports two individual DDR channels that are configured for DDR3 operation at
600MHz or 1200 MT/s. Each channel consists of 64-bit data and 8-bit ECC.

The module supports either 1GB or 2GB of on-board memory per channel for a total of 2GB or
4GB. Each memory bank consists of 9 memory chips of 8-bits with each bank located on
opposite sides of the board.

The SDRAM package height is a maximum of 1.2mm.

The following figure illustrates the DDR memory architecture per controller:

Figure 4-5

Memory Interface