MC68HC705JD FREESCALE [Freescale Semiconductor, Inc], MC68HC705JD Datasheet - Page 38

• Manufacturer Part Number: MC68HC705JD
• Description: member of the low-cost
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
6-2
$00BF
$00C0
$0EFF
$0F00
$0F01
$0FEF
$0FF0
$0FFF
$0000
$001F
$0020
$008F
$0090
$00FF
$0100
$06FF
$0700
112 BYTES
MASK OPTION REGISTER
SRAM
BOOTLOADER ROM
USER VECTORS
I/O REGISTERS
USER EPROM
1536 BYTES
112 BYTES
239 BYTES
2048 BYTES
32 BYTES
16 BYTES
UNUSED
UNUSED
(EPROM)
64 BYTES
Freescale Semiconductor, Inc.
STACK
For More Information On This Product,
Figure 6-1. Memory Map
Go to: www.freescale.com
MEMORY
*
TIMER CONTROL AND STATUS REGISTER
COP TIMER. READING $0FF0 RETURNS
USER EPROM DATA.
WRITING 0 TO BIT 0 OF $0FF0 CLEARS
SOFTWARE INTERRUPT VECTOR (HIGH)
SOFTWARE INTERRUPT VECTOR (LOW)
EXTERNAL INTERRUPT VECTOR (HIGH)
EXTERNAL INTERRUPT VECTOR (LOW)
PORT A DATA DIRECTION REGISTER
PORT B DATA DIRECTION REGISTER
EPROM PROGRAMMING REGISTER
TIMER INTERRUPT VECTOR (HIGH)
TIMER INTERRUPT VECTOR (LOW)
TIMER COUNTER REGISTER
PORT A DATA REGISTER
PORT B DATA REGISTER
RESET VECTOR (HIGH)
RESET VECTOR (LOW)
COP REGISTER
RESERVED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
•
•
•
8 BYTES
EPROM
USER
*
$0000
$0001
$0002
$0003
$0004
$0005
$0006
$0007
$0008
$0009
$000A
$001B
$001C
$001D
$001E
$001F
$0FF0
$0FF7
$0FF8
$0FF9
$0FFA
$0FFB
$0FFC
$0FFD
$0FFE
$0FFF
•
•
•
•
•
•
Rev. 2