参数资料
型号: M38748MBD-XXXGP
厂商: Mitsubishi Electric Corporation
英文描述: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
中文描述: 单芯片8位CMOS微机
文件页数: 12/92页
文件大小: 1292K
代理商: M38748MBD-XXXGP
12
3874 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
MEMORY
Special Function Register (SFR) Area
The Special Function Register area in the zero page contains con-
trol registers such as I/O ports and timers.
RAM
RAM is used for data storage and for stack area of subroutine
calls and interrupts.
ROM
The first 128 bytes and the last 2 bytes of ROM are reserved for
device testing and the rest is user area for storing programs.
Interrupt Vector Area
The interrupt vector area contains reset and interrupt vectors.
Zero Page
Access to this area with only 2 bytes is possible in the zero page
addressing mode.
Special Page
Access to this area with only 2 bytes is possible in the special
page addressing mode.
Fig. 9 Memory map diagram
0100
16
0200
16
0000
16
0040
16
FF00
16
FFDC
16
FFFE
16
FFFF
16
1024
1536
2048
XXXX
16
043F
16
063F
16
083F
16
16384
20480
24576
28672
32768
36864
40960
45056
49152
53248
57344
61440
C000
16
B000
16
A000
16
9000
16
8000
16
7000
16
6000
16
5000
16
4000
16
3000
16
2000
16
1000
16
C080
16
B080
16
A080
16
9080
16
8080
16
7080
16
6080
16
5080
16
4080
16
3080
16
2080
16
1080
16
YYYY
16
ZZZZ
16
RAM
ROM
0300
16
SFR area
Not used
Interrupt vector area
ROM area
Reserved ROM area
(128 bytes)
Zero page
Special page
RAM area
RAM size
(bytes)
Address
XXXX
16
ROM size
(bytes)
Address
YYYY
16
Reserved ROM area
Address
ZZZZ
16
Serial I/O3
automatic transfer
RAM area
相关PDF资料
PDF描述
M38748MBF-XXXFS SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M38748MBF-XXXGP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
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M38748MDD-XXXGP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M38748MDF-XXXFS SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
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