参数资料
型号: M68HC05M68H
厂商: Motorola, Inc.
英文描述: HCMOS Microcontroller Unit
中文描述: HCMOS微控制器
文件页数: 28/130页
文件大小: 1541K
代理商: M68HC05M68H
Memory
Advance Information
MC68HC705P6A
Rev. 2.0
28
Memory
MOTOROLA
Figure 2-1. MC68HC705P6A User Mode Memory Map
2.4 Bootloader Mode Memory Map
Memory space is identical to the user mode. See
Figure 2-1
.
$1F01
7937
MASK OPTION REGISTERS
BOOTLOADER ROM
AND VECTORS 239 BYTES
RESET VECTOR (LOW BYTE)
RESET VECTOR (HIGH BYTE)
SWI VECTOR (LOW BYTE)
SWI VECTOR (HIGH BYTE)
IRQ VECTOR (LOW BYTE)
IRQ VECTOR (HIGH BYTE)
TIMER VECTOR (LOW BYTE)
TIMER VECTOR (HIGH BYTE)
UNUSED
UNUSED
$1FF6
$1FF7
$1FF8
$1FF9
$1FFA
$1FFB
$1FFC
$1FFD
$1FFE
$1FFF
UNUSED
$1FF5
UNUSED
$1FF4
UNUSED
$1FF3
UNUSED
$1FF2
UNUSED
$1FF1
COP CLEAR REGISTER
(1)
$1FF0
$001F
$0000
$0100
$00FF
0255
0256
STACK
64 BYTES
INTERNAL RAM
176 BYTES
I/O
32 BYTES
USER VECTORS EPROM
16 BYTES
8191
8176
8175
7936
7935
4864
4863
0192
0191
0080
0079
0032
0031
0000
$1FFF
$1FF0
$1FEF
$1F00
$1EFF
$1300
$12FF
$00C0
$00BF
$0050
$004F
$0020
$001F
$0000
UNIMPLEMENTED
3071 BYTES
USER EPROM
4608 BYTES
USER EPROM
48 BYTES
I/O REGISTERS
SEE
FIGURE 2-2
$1EFE
7934
Note
1.
Writing zero to bit 0 of $1FF0 clears the COP watchdog timer. Reading $1FF0 returns user EPROM data.
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