
ConnectCore ? f or ? i .M X 5 1 ?
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
DRAM_CS0#
Pin
Y4
Address range
0x9000_000-
Sixe [Mb]
256M
Usage
DDR2 bank 0
Comments
First bank on module
0x9FFF_FFFF
DRAM_CS1#
Y3
0xA000_0000-
256M
DDR2 bank 1
Second bank on module
0xAFFF_FFFF
EIM_CS0
W6
0xB000_000-
128M
External CS0#
0xB7FF_FFFF
EIM_CS1
Y6
0xB800_000-
128M
External CS1#
0xBFFF_FFFF
EIM_CS2
Y7
0xC000_000-
128M
External CS2#
0xC7FF_FFFF
EIM_CS3
AC3
0xC800_000-
64M
External CS3#
0xCBFF_FFFF
EIM_CS4
AA6
0xCC00_000-
32M
External CS4#
0xCDFF_FFFF
EIM_CS5
AA5
0xCE00_000-
32M (minus 64K)
External CS5#
Used for Ethernet Controller on module
0xCFFE_FFFF
? ? 2011 ? Digi ? International, ? Inc.
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