Emu rom -20, Interface of emu rom -20, Freescale semiconductor, i – Motorola M68EZ328ADS User Manual

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Hardware Description and Board Operation

MOTOROLA

M68EZ328ADS v2.0 USER’S MANUAL

3-20

When S2-1 is ON, *CSA0 is connected to FLASH0. When S2-2 is ON, *CSA1 is connected
to FLASH1. In Normal Mode, FLASH0 is the boot ROM. User can reprogram Flashes with
their own application program. For more details on flash memory programming, please refer
to Appendix C .

3.6.3 EMU ROM

The M68EZ328ADS v2.0 is equipped with one 64K-byte EMU ROM. Figure 3-3 shows the
interface of the EMU ROM. This EMU ROM has already been programmed with the SDS
monitor and the Metrowerks monitor when the board is shipped out from the factory.

EMUCS

WE

A[0..15]

D[8..15]

CS

WE

A[0..15]

D[8..15]

8x8-Bit EMU ROM

MC68EZ328

OE

OE

OR

Gate

A16

Figure 3-3. Interface of EMU ROM

Freescale Semiconductor, I

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

nc.

..

ARCHIVED BY FREESCALE SEMICONDUCTOR, INC. 2005

ARCHIVED BY FREESCALE SEMICONDUCT

OR,

INC.

2005

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