MC9S12T64 Datasheet, PDF (245/608 Pages) Motorola, Inc – Specification

Freescale Semiconductor, Inc.
CALRAM 2K
Functional Description
NOTE:
2. Initialize the CRAM[15:11] bits and set the CRAMON bit in the
register INITCRM to overlap the 2K byte CALRAM array with the
Flash EEPROM. Figure 34 shows an example of how to map the
CALRAM over the Flash EEPROM.
Writes to the INITCRM register take one cycle to go into effect.
$0000
$8000
2K bytes
CALRAM
Flash EEPROM
Block 1
Flash EEPROM
Block 0
$FFFF
CALRAM is mapped over a
2K area of Flash EEPROM
MCU Control program is running from
this block
Figure 34 Map CALRAM over Flash EEPROM
3. Calibrate data in the CALRAM
The user can start to change data in the CALRAM array for calibration
purposes.
CALRAM 2K
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MC9S12T64Revision 1.1.1