User’s Manual
M68HC12A4EVK Evaluation Board — Rev. 1
144
SDI Configuration
MOTOROLA
SDI Configuration
This configuration provides these enhancements when using the SDI:
•
The MCU’s on-chip RAM, from $0800 to $0BFF, is entirely available
for user data.
•
Data can be loaded into the vector area, which was reserved under the
D-Bug12 operating configuration.
For information on using the SDI, refer to the Serial Debug Interface User’s
Manual, Motorola document order number SDIUM/D.
Table F-1. SDI Memory Map
Address Range
Description
Location
$0000–$01FF
CPU registers
On-chip (MCU)
$0800–$0BFF
User data area
1-Kbyte on-chip RAM (MCU)
$1000–$1FFF
User code area
4-Kbyte on-chip EEPROM (MCU)
$C000–$FFFF
User code/data area
16-Kbyte external RAM (U4, U6A)
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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