Freescale Semiconductor, Inc.
GENERAL RELEASE SPECIFICATION
$0000
0000
$0000
I/O
32 BYTES
8
2
$001F
$0020
0031
0032
USER EEPROM
48 BYTES
I/O REGISTERS
SEE FIGURE 2-2
$004F
$0050
0079
0080
INTERNAL RAM
192 BYTES
$00BF
$00C0
$00FF
$010F
0191
0192
0255
0271
0272
3
$001F
STACK
64 BYTES
4
UNUSED
48 BYTES
$013F
$0140
0319
0320
COP CONTROL REGISTER
UNIMPLEMENTED
$3FF0
$3FF1
$3FF2
$3FF3
$3FF4
$3FF5
$3FF6
$3FF7
$3FF8
$3FF9
$3FFA
$3FFB
$3FFC
$3FFD
$3FFE
$3FFF
EEPROM
128 BYTES
5
$01BF
$01C0
0447
0448
UNIMPLEMENTED
UNIMPLEMENTED
6
UNUSED
7728 BYTES
UNIMPLEMENTED
UNIMPLEMENTED
$1FBF
$1FC0
8127
8128
7
UNIMPLEMENTED
USER EEPROM
8000 BYTES
UNIMPLEMENTED
8
TIMER VECTOR (HIGH BYTE)
TIMER VECTOR (LOW BYTE)
IRQ VECTOR (HIGH BYTE)
IRQ VECTOR (LOW BYTE)
SWI VECTOR (HIGH BYTE)
SWI VECTOR (LOW BYTE)
RESET VECTOR (HIGH BYTE)
RESET VECTOR (LOW BYTE)
$3EFF
$3F00
$3F01
$3F02
16127
16128
9
MASK OPTION REGISTER
16130
UNUSED
238 BYTES
10
11
12
13
14
A
$3FEF
$3FF0
16367
16368
USER VECTORS EEPROM
16 BYTES
$3FFF
16383
Figure 2-1. MC68HC805P18 User Mode Memory Map
16
17
18
19
20
MEMORY
Rev. 1.0
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