參數(shù)資料
型號(hào)： M37733M4B
廠商： Mitsubishi Electric Corporation
英文描述： Single Chip 16 Bits CMOS Microcomputer(16位單片機(jī))
中文描述： 單片微機(jī)16位的CMOS（16位單片機(jī)）
文件頁(yè)數(shù)： 7/30頁(yè)
文件大?。?/td> 398K
代理商： M37733M4B
MITSUBISHI MICROCOMPUTERS
M37733M4BXXXFP
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
7
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
ROM AREA MODIFICATION FUNCTION
The internal ROM size and its address area of the M37733M4BXXXFP
can be modified by the memory allocation control register’s bit 0 shown
in Figure 3.
Figure 5 shows the memory allocation in which the internal ROM
size and its address area are modified.
Make sure to write data in the memory allocation control register as
the flow shown in Figure 4.
This ROM area modification function is valid in memory expansion
mode and single-chip mode.
When ordering a mask ROM, Mitsubishi Electric corp. produces the
mask ROM using the data within 32 Kbytes (addresses 008000
16
–
00FFFF
16
). It is regardless of the selected ROM size (refer to MASK
ROM ORDER CONFIRMATION FORM.) Therefore, program “FF
16
”
to the addresses out of the selected ROM area in the EPROM which
you tender when ordering a mask ROM.
Address 00FFFF
16
of this microcomputer corresponds to the lowest
address of the EPROM which you tender.
7
6
5
4
3
2
1
0
ML
0
Memory allocation control register
Memory allocation selection bit
ROM size (ROM area)
0 : 32 Kbytes (addresses 008000
16
– 00FFFF
16
)
1 : 16 Kbytes (addresses 00C000
16
– 00FFFF
16
)
Address
63
16
Note.
Write to the memory allocation control register as the flow shown in Figure 4.
Fig. 3 Bit configuration of memory allocation control register
Fig. 4 How to write data in memory allocation control register
Writing data “55
16
” (LDM instruction)
Writing data “00
16
” or “01
16
” (LDM instruction)
ML
0
selection bit
Next instruction
How to write in memory allocation control register
相關(guān)PDF資料
PDF描述
M378T3253FZ3-CD5 40 Characters x 4 Lines, 5x7 Dot Matrix Character and Cursor
M378T3253FZ3-CCC 40 characters x 2 Lines, 5x7 Dot Matric Character and Cursor
M378T6453FZ3-CCC 40 characters x 2 Lines, 5x7 Dot Matric Character and Cursor
M391T3253FZ3-CCC 40 characters x 2 Lines, 5x7 Dot Matric Character and Cursor
M391T6453FZ3-CCC 40 characters x 2 Lines, 5x7 Dot Matric Character and Cursor
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M37733M4BXXXFP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
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M37733MHB 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
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