参数资料
型号: MC68HC705P9MDW
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDSO28
封装: SOIC-28
文件页数: 87/160页
文件大小: 2208K
代理商: MC68HC705P9MDW
Memory
Technical Data
MC68HC705P9 — Rev. 4.0
32
Memory
MOTOROLA
3.3 Memory Map
$0000
$001F
I/O REGISTERS (32 BYTES)
PORT A DATA REGISTER (PORTA)
$0000
PORT B DATA REGISTER (PORTB)
$0001
PORT C DATA REGISTER (PORTC)
$0002
$0020
$004F
PAGE ZERO USER EPROM (48 BYTES)
PORT D DATA REGISTER (PORTD)
$0003
DATA DIRECTION REGISTER A (DDRA)
$0004
DATA DIRECTION REGISTER B (DDRB)
$0005
$0050
$007F
UNIMPLEMENTED (48 BYTES)
DATA DIRECTION REGISTER C (DDRC)
$0006
DATA DIRECTION REGISTER D (DDRD)
$0007
UNIMPLEMENTED
$0008
$0080
$00FF
RAM (128 BYTES)
$0009
SIOP CONTROL REGISTER (SCR)
$000A
SIOP STATUS REGISTER (SSR)
$000B
$0100
$08FF
USER EPROM (2048 BYTES)
SIOP DATA REGISTER (SDR)
$000C
UNIMPLEMENTED
$000D
$000E
$0900
MASK OPTION REGISTER
$000F
$0901
$1EFF
UNIMPLEMENTED (5631 BYTES)
$0010
$0011
TIMER CONTROL REGISTER (TCR)
$0012
$1F00
$1FEF
BOOTLOADER ROM (240 BYTES)
TIMER STATUS REGISTER (TSR)
$0013
INPUT CAPTURE REGISTER HIGH (ICRH)
$0014
INPUT CAPTURE REGISTER LOW (ICRL)
$0015
$1FF0
COP CONTROL REGISTER
OUTPUT COMPARE REGISTER HIGH (OCRH)
$0016
$1FF1
$1FF7
RESERVED
OUTPUT COMPARE REGISTER LOW (OCRL)
$0017
TIMER REGISTER HIGH (TRH)
$0018
TIMER REGISTER LOW (TRL)
$0019
$1FF8
$1FFF
USER VECTOR EPROM (8 BYTES)
ALTERNATE TIMER REGISTER HIGH (ATRH)
$001A
ALTERNATE TIMER REGISTER LOW (ATRL)
$001B
EPROM PROGRAMMING REGISTER (EPROG)
$001C
ADC DATA REGISTER (ADDR)
$001D
ADC STATUS/CONTROL REGISTER (ADSCR)
$001E
RESERVED
$001F
TIMER INTERRUPT VECTOR HIGH
$1FF8
TIMER INTERRUPT VECTOR LOW
$1FF9
EXTERNAL INTERRUPT VECTOR HIGH
$1FFA
EXTERNAL INTERRUPT VECTOR LOW
$1FFB
SOFTWARE INTERRUPT VECTOR HIGH
$1FFC
SOFTWARE INTERRUPT VECTOR LOW
$1FFD
RESET VECTOR HIGH
$1FFE
RESET VECTOR LOW
$1FFF
Figure 3-1. Memory Map
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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