TWR-MEM Freescale Semiconductor, TWR-MEM Datasheet - Page 11

• Manufacturer Part Number: TWR-MEM
• Description: MEMORY MODULE FOR TWR SYSTEM
• Manufacturer: Freescale Semiconductor

Specifications of TWR-MEM

• Accessory Type: Memory Extension Card
• Product: Microcontroller Modules
• Data Bus Width: 8 bit
• Interface Type: JTAG, SPI
• Flash: 1 MB
• Operating Supply Voltage: 3.3 V
• Silicon Manufacturer: Freescale
• Core Architecture: Coldfire
• Core Sub-architecture: Coldfire V1, Coldfire V2, Coldfire V3
• Silicon Core Number: MCF51, MCF52, MCF53
• Rohs Compliant: Yes
• For Use With/related Products: Freescale Tower System
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

4.1 Mechanical Form Factor
The TWR-MEM is designed for the Freescale Tower System and complies with the mechanical
specification as described in Freescale Tower Mechanical Specification.
Jumper
J15
J14
J16
CPLD Chip-Select Selection
Serial Flash Chip-Select
MRAM Write Protect
Option
Freescale Semiconductor, Inc. All other product or service names
© Freescale Semiconductor, Inc. 2009. All rights reserved.
Freescale™ and the Freescale logo are trademarks of
are the property of their respective owners.
TWR-MEM User’s Manual
Setting
*OFF*
*1-2*
*ON*
*2-3*
2-3
1-2
Connect Serial Flash Chip-Select to SPI0_CS0 (B46)
Connect Serial Flash Chip-Select to SPI0_CS1 (B47)
Normal MRAM operation (R/W)
Write protect MRAM
Use EBI_CS0 as CPLD chip-select (pin 50)
Use EBI_CS1 as CPLD chip-select (pin 50)
Description
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