參數(shù)資料
型號(hào): MC68HC705SB7
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDSO28
封裝: SOIC-28
文件頁數(shù): 72/170頁
文件大小: 2161K
代理商: MC68HC705SB7
August 27, 1998
GENERAL RELEASE SPECIFICATION
MC68HC05SB7
MOTOROLA
REV 2.1
A-1
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
I/O REGISTERS
48 BYTES
$002F
$0030
UNIMPLEMENTED
16 BYTES
$003F
$0040
USER RAM
224 BYTES
STACK RAM
64 BYTES
$00C0
$011F
$00FF
$0120
UNIMPLEMENTED
1248 BYTES
$05FF
$0600
USER EPROM
6144 BYTES
$1DFF
$1E00
BOOTLOADER ROM
496 BYTES
$1FEF
$1FF0
USER VECTORS
16 BYTES
$1FFF
Figure A-1. MC68HC705SB7 Memory Map
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