mc68hc05j5ap Freescale Semiconductor, Inc, mc68hc05j5ap Datasheet - Page 19

• Manufacturer Part Number: mc68hc05j5ap
• Description: General Description The Mc68hc05j5a Is A Member Of The Low-cost High-performance M68hc05 Family Of 8-bit Microcontroller Units Mcus . The M68hc05 Family Is Based On The Customer-speci Ed Integrated Circuit Design Strategy. All Mcus In The Family
• Manufacturer: Freescale Semiconductor, Inc

REV 2.1
$0CFF
$0DFF
$00C0
$0D00
$0FEF
$0FFF
$00FF
$02FF
$0E00
$0FF0
$0FF5
$0FF6
$001F
$007F
$0000
$0020
$0080
$0100
$0300
The MC68HC05J5A has 4K-bytes of addressable memory consisting 32 bytes of
I/O, 128 bytes of user RAM, and 2560 bytes of user ROM, as shown in
Figure 2-1.
Internal Test & Vectors
User RAM 128 Bytes
User Vectors ROM
496 Bytes ROM
unimplemented
ROM Reserved
unimplemented
unimplemented
2560 Bytes
512 Bytes
User ROM
256 Bytes
32 Bytes
96 Bytes
10 Bytes
6 Bytes
I/O
Stack
Figure 2-1. MC68HC05J5A Memory Map
Freescale Semiconductor, Inc.
For More Information On This Product,
0000
0031
0032
0127
0128
0192
0255
0256
0767
0768
3327
3328
3583
3584
4079
4080
4085
4086
4095
Go to: www.freescale.com
SECTION 2
MEMORY
July 16, 1999
MEMORY
GENERAL RELEASE SPECIFICATION
* Writing a 0 to bit 0 of $0FF0 clears the COP Timer.
Reading $0FF0 returns ROM data.
Timer1 Vector (High Byte)
Timer1 Vector (Low Byte)
Reset Vector (High Byte)
Reset Vector (Low Byte)
MFT Vector (High Byte)
MFT Vector (Low Byte)
IRQ Vector (High Byte)
SWI Vector (High Byte)
COP Watchdog Timer*
SWI Vector (Low Byte)
IRQ Vector (Low Byte)
(see Figure 2-2)
Registers
Reserved
Reserved
Reserved
Reserved
Reserved
32 bytes
I/O
$0000
$001F
$0FFA
$0FFB
$0FFC
$0FFD
$0FFE
$0FF0
$0FF1
$0FF2
$0FF3
$0FF4
$0FF5
$0FF6
$0FF7
$0FF8
$0FF9
$0FFF
2-1