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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
ARCHIVED BY FREESCALE SEMICONDUCTOR, INC. 2005
to Appendix C .
3.6.3 EMU ROM
MC68EZ328
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.
MOTOROLA
Freescale Semiconductor, Inc.
EMUCS
OR
Gate
A16
OE
WE
A[0..15]
D[8..15]
Figure 3-3. Interface of EMU ROM
M68EZ328ADS v2.0 USER'S MANUAL
For More Information On This Product,
Go to: www.freescale.com
Hardware Description and Board Operation
8x8-Bit EMU ROM
CS
OE
WE
A[0..15]
D[8..15]
3-20
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