Datasheet

MC68HC908JL3E Family Data Sheet, Rev. 4
Freescale Semiconductor 165
Appendix B
MC68H(R)C08JL3E/JK3E
B.1 Introduction
This appendix introduces four devices, that are ROM versions of MC68H(R)C908JL3E/JK3E:
• MC68HC08JL3E
• MC68HC08JK3E
• MC68HRC08JL3E
• MC68HRC08JK3E
The entire data book apply to these ROM devices, with exceptions outlined in this appendix.
B.2 MCU Block Diagram
Figure B-1 shows the block diagram of the MC68H(R)C08JL3E/JK3E.
Table B-1. Summary of Device Differences
MC68H(R)C08JL3E/JK3E MC68H(R)C908JL3E/JK3E
Memory ($EC00–$FBFF) 4,096 bytes ROM 4,096 bytes Flash
User vectors ($FFD0–$FFFF) 48 bytes ROM 48 bytes Flash
Registers at $FE08 and $FE09
Not used;
locations are reserved.
Flash related registers.
$FE08 — FLCR
$FF09 — FLBPR
Monitor ROM
($FC00–$FDFF and $FE10–$FFCF)
$FC00–$FDFF: Not used.
$FE10–$FFCF: Used for testing
purposes only.
Used for testing and Flash
programming/erasing.