August 27, 1998
GENERAL RELEASE SPECIFICATION
APPENDIX A
MC68HC705SB7
This appendix describes the MC68HC705SB7, the emulation part for
MC68HC05SB7. The entire MC68HC05SB7 data sheet applies to the
MC68HC705SB7, with exceptions outlined in this appendix.
A.1 INTRODUCTION
The MC68HC705SB7 is an EPROM version of the MC68HC05SB7, and is avail-
able for user system evaluation and debugging. The MC68HC705SB7 is function-
ally identical to the MC68HC05SB7 with the exception of the 6106 bytes user
ROM is replaced by 6106 bytes user EPROM. The mask option for the external
pin oscillator on the MC68HC05SB7 is controlled by the Mask Option Register at
$002F on the MC68HC705SB7. This device is available in 28-pin SOIC package.
A.2 MEMORY
The MC68HC705SB7 memory map is shown on Figure A-1.
$0000
$002F
$0030
$003F
$0040
I/O REGISTERS
48 BYTES
UNIMPLEMENTED
16 BYTES
USER RAM
224 BYTES
$00C0
$00FF
STACK RAM
64 BYTES
$011F
$0120
$05FF
$0600
UNIMPLEMENTED
1248 BYTES
USER EPROM
6144 BYTES
$1DFF
$1E00
$1FEF
$1FF0
$1FFF
BOOTLOADER ROM
496 BYTES
USER VECTORS
16 BYTES
Figure A-1. MC68HC705SB7 Memory Map
MC68HC05SB7
REV 2.1
MOTOROLA
A-1
FREESCALE [ Freescale ]
