Digi ConnectCore User Manual

ConnectCore for i.MX51
©2011DigiInternational,Inc. 34
Memory
DDR2 SDRAM Memory
The ConnectCore for i.MX51 module provides up to 512 MBytes of DDR2-400 SDRAM memory.
The module can support up to four 16-bit, 128Mbit, DDR2-400 chips, configured as two banks
of 32-bits of 128Mbits DDR2-400 memory.
NAND Flash Memory
The ConnectCore for i.MX51 module provides 512Mbytes of NAND-Flash memory. On the
module a 512MByte, 2Kbyte page, NAND-Flash chip is used.
Options for other densities NAND Flash devices are available depending on the module
variant.
Chip selects
Chip Select Memory Map
The ConnectCore for i.MX51 has eight chip select signals, two for dynamic memory and six for
static memory. The table below shows the memory map of these chip select signals.
Name Pin Address range Sixe [Mb] Usage Comments
DRAM_CS0# Y4 0x9000_000-
0x9FFF_FFFF
256M DDR2 bank 0 First bank on module
DRAM_CS1# Y3 0xA000_0000-
0xAFFF_FFFF
256M DDR2 bank 1 Second bank on module
EIM_CS0 W6 0xB000_000-
0xB7FF_FFFF
128M External CS0#
EIM_CS1 Y6 0xB800_000-
0xBFFF_FFFF
128M External CS1#
EIM_CS2 Y7 0xC000_000-
0xC7FF_FFFF
128M External CS2#
EIM_CS3 AC3 0xC800_000-
0xCBFF_FFFF
64M External CS3#
EIM_CS4 AA6 0xCC00_000-
0xCDFF_FFFF
32M External CS4#
EIM_CS5 AA5 0xCE00_000-
0xCFFE_FFFF
32M (minus 64K) External CS5# Used for Ethernet Controller on module
Downloaded from Elcodis.com electronic components distributor

Digi ConnectCore Specifications

General

Brand	Digi
Model	ConnectCore
Category	Control Unit
Language	English