MC68HC705P9 Datasheet, PDF (32/160 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Memory
Freescale Semiconductor, Inc.
3.3 Memory Map
$0000
↓
$001F
$0020
↓
$004F
$0050
↓
$007F
$0080
↓
$00FF
$0100
↓
$08FF
$0900
$0901
↓
$1EFF
$1F00
↓
$1FEF
$1FF0
$1FF1
↓
$1FF7
$1FF8
↓
$1FFF
I/O REGISTERS (32 BYTES)
PAGE ZERO USER EPROM (48 BYTES)
UNIMPLEMENTED (48 BYTES)
RAM (128 BYTES)
USER EPROM (2048 BYTES)
MASK OPTION REGISTER
UNIMPLEMENTED (5631 BYTES)
BOOTLOADER ROM (240 BYTES)
COP CONTROL REGISTER
RESERVED
USER VECTOR EPROM (8 BYTES)
PORT A DATA REGISTER (PORTA)
PORT B DATA REGISTER (PORTB)
PORT C DATA REGISTER (PORTC)
PORT D DATA REGISTER (PORTD)
DATA DIRECTION REGISTER A (DDRA)
DATA DIRECTION REGISTER B (DDRB)
DATA DIRECTION REGISTER C (DDRC)
DATA DIRECTION REGISTER D (DDRD)
UNIMPLEMENTED
SIOP CONTROL REGISTER (SCR)
SIOP STATUS REGISTER (SSR)
SIOP DATA REGISTER (SDR)
UNIMPLEMENTED
TIMER CONTROL REGISTER (TCR)
TIMER STATUS REGISTER (TSR)
INPUT CAPTURE REGISTER HIGH (ICRH)
INPUT CAPTURE REGISTER LOW (ICRL)
OUTPUT COMPARE REGISTER HIGH (OCRH)
OUTPUT COMPARE REGISTER LOW (OCRL)
TIMER REGISTER HIGH (TRH)
TIMER REGISTER LOW (TRL)
ALTERNATE TIMER REGISTER HIGH (ATRH)
ALTERNATE TIMER REGISTER LOW (ATRL)
EPROM PROGRAMMING REGISTER (EPROG)
ADC DATA REGISTER (ADDR)
ADC STATUS/CONTROL REGISTER (ADSCR)
RESERVED
TIMER INTERRUPT VECTOR HIGH
TIMER INTERRUPT VECTOR LOW
EXTERNAL INTERRUPT VECTOR HIGH
EXTERNAL INTERRUPT VECTOR LOW
SOFTWARE INTERRUPT VECTOR HIGH
SOFTWARE INTERRUPT VECTOR LOW
RESET VECTOR HIGH
RESET VECTOR LOW
Figure 3-1. Memory Map
$0000
$0001
$0002
$0003
$0004
$0005
$0006
$0007
$0008
$0009
$000A
$000B
$000C
$000D
$000E
$000F
$0010
$0011
$0012
$0013
$0014
$0015
$0016
$0017
$0018
$0019
$001A
$001B
$001C
$001D
$001E
$001F
$1FF8
$1FF9
$1FFA
$1FFB
$1FFC
$1FFD
$1FFE
$1FFF
Technical Data
32
Memory
For More Information On This Product,
Go to: www.freescale.com
MC68HC705P9 — Rev. 4.0
MOTOROLA