mc68hsc705j1a Freescale Semiconductor, Inc, mc68hsc705j1a Datasheet - Page 34

• Manufacturer Part Number: mc68hsc705j1a
• Description: M68hc05 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Memory
2.3 Memory Map
Technical Data
$07CF
$07ED
$07EE
$001F
$00BF
$00C0
$00FF
$02FF
$07D0
$07EF
$07F0
$07FF
$0000
$0020
$0100
$0300
(1)
Writing to bit 0 of $07F0 clears the computer
operating properly (COP) watchdog.
Registers and EPROM
Unimplemented
Unimplemented
Unimplemented
I/O Registers
1232 Bytes
Test ROM
160 Bytes
512 Bytes
32 Bytes
64 Bytes
30 Bytes
16 Bytes
EPROM
2 Bytes
RAM
Freescale Semiconductor, Inc.
For More Information On This Product,
Figure 2-1. Memory Map
Go to: www.freescale.com
Memory
Timer Status and Control Register (TSCR)
EPROM Programming Register (EPROG)
IRQ Status and Control Register (ISCR)
Data Direction Register A (DDRA)
Data Direction Register B (DDRB)
Pulldown Register Port A (PDRA)
Pulldown Register Port B (PDRB)
Port A Data Register (PORTA)
Port B Data Register (PORTB)
Software Interrupt Vector High
External Interrupt Vector High
Software Interrupt Vector Low
Timer Control Register (TCR)
Mask Option Register (MOR)
External Interrupt Vector Low
Timer Interrupt Vector High
Timer Interrupt Vector Low
COP Register (COPR)
Reset Vector High
Reset Vector Low
Unimplemented
Unimplemented
Unimplemented
Unimplemented
Unimplemented
Reserved
Reserved
MC68HC705J1A — Rev. 4.0
(1)
$07FC
$07FD
$000A
$000B
$001E
$07FA
$07FB
$07FE
$07FF
$0000
$0001
$0002
$0003
$0004
$0005
$0006
$0007
$0008
$0009
$000F
$0010
$0011
$0012
$0017
$0018
$0019
$001F
$07F0
$07F1
$07F2
$07F7
$07F8
$07F9