Freescale Semiconductor TWR-MEM Manuel utilisateur

TOWER SYSTEMQuick Start Guide for TWR-MEM

TWR-MEM

Memory Module

TOWER SYSTEM

TWR-MEM

Freescale Tower System

The TWR-MEM module is part of the Freescale Tower System,

a modular development platform that enables rapid prototyping and tool

re-use through reconfigurable hardware. Take your design to the next

level and begin constructing your Tower System today.

Get to know the TWR-MEM

MRAM

CPLD

Primary

Connector

SD Card

Connector

(underside)

Compact

Flash Socket

Secondary

Connector

TOWER SYSTEM

How to build your Tower

STEP

Locate the Elevator modules,

identifiable by the four card

edge connectors on each.

Identify each Elevator

module as either “Functional”

or “Dummy” (written on

the outward facing

side of the board).

Locate the other modules you

will use in your Tower System.

Identify the “primary” and

“secondary” card edges for

each module (written along

the edge).

Plug the “primary” card edge

of each module into the

“functional” elevator.

Place the remaining “dummy”

or “functional” Elevator module

onto the “secondary” card

edges.

STEP

TOWER SYSTEM

Jumper Option Setting Description

J1 CPLD GCLK3 Selection *1-2* Connect GCLK3 to Tower CLKOUT1 (B25)

2-3 Connect GCLK3 to Tower CLKOUT0 (A64)

J2 SD Card SPI Mode

Select Pull Option

1-2 Pull-up on SD Card DAT3/SS signal (SPI Mode Select)

2-3 Pull-down on SD Card DAT3/SS signal (SPI Mode Select)

*OFF* No pull resistor applied

J3 SD Card SPI Mode

Chip-Select

*1-2* Connect SD Card DAT3/SS signal to SPI1_CS0 (B9)

2-3 Connect SD Card DAT3/SS signal to SPI1_CS1 (B8)

J4 Serial Flash

Configuration Options

*1-2* Connect Serial Flash Chip-Select to Tower SPI

Chip-Select

2-3 Enable Serial Flash Write Protect

5-6 Connect Serial Flash HOLD signal to Tower GPIO5 (B52)

J6 JTAG/GPIO Connections 1-2 Connect GPIO8 (A10) to CPLD JTAG TMS signal

3-4 Connect GPIO9 (A9) to CPLD JTAG TDO signal

5-6 Connect GPIO1 (B21) to CPLD JTAG TDI signal

7-8 Connect GPIO3 (B23) to CPLD JTAG TCK signal

J10 MRAM Chip-Select

Isolation

*ON* Connect Flexbus CS0 to MRAM Chip-Select

OFF Disconnect Flexbus CS0 from MRAM Chip-Select

J11 CPLD Flexbus CS0

Isolation

*ON* Connect Flexbus CS0 to CPLD pin 48

OFF Disconnect Flexbus CS0 from CPLD

TWR-MEM Jumper Options

The following is a list of all the jumper options. The *default* installed jumper settings are shown in bold

with asterisks.

TOWER SYSTEMQuick Start Guide for TWR-MCF5225X

Jumper Option Setting Description

J12 SD Card Configuration

Options

*1-2* Connect SD Card Detect to IRQH (B55)

3-4 Connect SD Card Detect to IRQA (B62)

5-6 Connect SD_D[1] to GPIO2 (B22)

7-8 Connect SD_D[2] to GPIO8 (A10)

9-10 Apply pull-up to SD_CMD/MOSI

11-12 Apply pull-up to SD_D[0]/MISO

J13 SD Card Write Protect

Detect Isolation

*ON* Connect SD Card Write Protect Detection to Tower

GPIO7 (A11)

OFF Disconnect SD Card Write Protect Detection from Tower

J14 Serial Flash Chip-Select *1-2* Connect Serial Flash Chip-Select to SPI0_CS0 (B46)

2-3 Connect Serial Flash Chip-Select to SPI0_CS1 (B47)

J15 MRAM Write Protect *ON* Normal MRAM operation (R/W)

OFF Write protect MRAM

J16 CPLD Chip-Select

Selection

*1-2* Use Flexbus CS0 as CPLD chip-select (pin 50)

2-3 Use Flexbus CS1 as CPLD chip-select (pin 50)

TOWER SYSTEMQuick Start Guide for TWR-MEM

TOWER SYSTEM

TWR-MEM Features

1 MB Serial Flash•

512 KB MRAM•

SD Card Slot for Memory Expansion or SDIO Modules•

Programmable CPLD•

Compact Flash Interface (via CPLD)•

TOWER SYSTEMQuick Start Guide for TWR-MEM

TOWER SYSTEMTOWER SYSTEM

Freescale and the Freescale logo are trademarks or registered

trademarks of Freescale Semiconductor, Inc. in the U.S. and other

countries. All other product or service names are the property of

their respective owners. © Freescale Semiconductor, Inc. 2010.

Doc Number: TWRMEMQSG / REV 0

Agile Number: 926-78425 / REV A

To learn more about the TWR-MEM and other modules within the Tower

System, go to www.freescale.com/tower. To become a member of the

online Tower Geeks community, go to www.towergeeks.org.

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