參數(shù)資料
型號: MC68HC705P9CDWR2
廠商: MOTOROLA 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): 70/156頁
文件大?。?/td> 957K
代理商: MC68HC705P9CDWR2
Memory
Memory Map
20
Memory
MOTOROLA
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 1. Memory Map
2-mc68hc705p9
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