mc68hc908sr12 Freescale Semiconductor, Inc, mc68hc908sr12 Datasheet - Page 394

• Manufacturer Part Number: mc68hc908sr12
• Description: M68hc08 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

MC68HC08SR12
A.2 Introduction
A.3 MCU Block Diagram
A.4 Memory Map
Data Sheet
394
Memory ($C000–$EFFF)
User vectors ($FFDA–$FFFF)
Oscillator selection
(Register at $FF80)
Registers at $FE08 and $FF09
Monitor ROM ($FE10–$FF7F)
Table A-1. Summary of MC68HC08SR12 and MC68HC908SR12 Differences
This section introduces the MC68HC08SR12, the ROM part equivalent
to the MC68HC908SR12. The entire data book apply to this ROM
device, with exceptions outlined in this appendix.
Figure A-1
The MC68HC08SR12 has 12,288 bytes of user ROM from $C000 to
$EFFF, and 38 bytes of user ROM vectors from $FFDA to $FFFF. On
the MC68HC908SR12, these memory locations are FLASH memory.
Figure A-2
shows the block diagram of the MC68HC08SR12.
shows the memory map of the MC68HC08SR12
12,288 bytes ROM
38 bytes ROM
Mask option register; defined
by mask; read only.
$FF80 — MOR
Not used;
locations are reserved.
Used for testing purposes
only.
MC68HC08SR12
MC68HC08SR12
MC68HC908SR12•MC68HC08SR12 — Rev. 5.0
12,288 bytes FLASH
38 bytes FLASH
Mask option register; defined
by programming FLASH
location $FF80.
$FF80 — MOR
FLASH related registers.
$FE08 — FLCR
$FF09 — FLBPR
Used for testing and FLASH
programming/erasing.
MC68HC908SR12
Freescale Semiconductor