MCIMX25WPDK Freescale Semiconductor, MCIMX25WPDK Datasheet - Page 26

• Manufacturer Part Number: MCIMX25WPDK
• Description: KIT, DEV, I.MX25, FOR WINCE 6.0
• Manufacturer: Freescale Semiconductor

Specifications of MCIMX25WPDK

• Svhc: No SVHC (15-Dec-2010)
• Kit Features: Processor Module, I.MX25 With ARM926EJ-S Core, Personality Module, Programmable User I/O
• Mcu Supported Families: I.MX25
• Tool / Board: RoHS Compliant
• Silicon Manufacturer: Freescale
• Core Architecture: ARM
• Core Sub-architecture: ARM9
• Silicon Core Number: I.MX2
• Silicon Family Name: I.MX25
• Kit Contents: Board
• Features: CPU Module, Debug Module
• Rohs Compliant: Yes

Table 3.1 describes the memory map for the 3-Stack system. None of the memories take up the
entire address space of the associated chip selects, and the software can access the same physical
memory location at more than one range of address. For instance, DDR SDRAM occupies only
128 MB of the 256MB space available to CSD0, so it appears in two different ranges of
addresses.
3.3
A complex programmable logic device (CPLD) is an electronic component used to build
reconfigurable digital circuits. The CPLD provides a great deal of functionality, including glue
logic, which is needed to achieve compatible interfaces between two (or more) different
off-the-shelf integrated circuits. For the 3-Stack board, glue logic provides peripheral bus
address decoding, board control and status signals, board revision registers, and other functions,
and is implemented with a CPLD on the Debug board.
3.3.1
The CPLD provides the following key features:
3-2
3.2 3-Stack Memory Map
Peripheral
 Address decode and control for the Ethernet controller
 Address decode and control for the external UART controller
 Level shift for Ethernet signals and UART signals
 Control and status registers for various board functions
DDR2
CPLD on the Debug Board
CPLD Features
i.MX25 PDK Hardware User’s Guide, Rev 1.0
Chip Select
CSD0(CS2)
Table 3.1 Memory Map
0x8000_0000 to 8FFF_FFFF
Address Range (HEX)
Freescale Semiconductor
128MB
Size