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| 型號(hào)： | M38B52E3XXXFP |
| 廠商： | Renesas Technology Corp. |
| 英文描述： | SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| 中文描述： | 單芯片8位CMOS微機(jī) |
| 文件頁數(shù)： | 69/70頁 |
| 文件大?。?/td> | 864K |
| 代理商： | M38B52E3XXXFP |
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MITSUBISHI MICROCOMPUTERS
38B5 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
7
PRELIMINAR
Y
Notice:
This
is not
a final
specification.
Some
parametric
limits
are
subject
to change.
FUNCTIONAL DESCRIPTION
Central Processing Unit (CPU)
The 38B5 group uses the standard 740 family instruction set. Refer
to the table of 740 family addressing modes and machine instruc-
tions or the 740 Family Software Manual for details on the instruction
set.
Machine-resident 740 Family instructions are as follows:
The FST and SLW instructions cannot be used.
The MUL, DIV, WIT and STP instructions can be used.
Fig. 5 Structure of CPU Mode Register
[CPU Mode Register] CPUM
The CPU mode register contains the stack page selection bit and
internal system clock control bits. The CPU mode register is allo-
cated at address 003B16.
CPU mode register
(CPUM (CM) : address 003B16)
b7
b0
Stack page selection bit
0 : 0 page
1 : 1 page
Main clock (XIN-XOUT) stop bit
0 : oscillating
1 : stopped
Main clock division ratio selection bit
0 : f(XIN)
(high-speed mode)
1 : f(XIN)/4 (middle-speed mode)
Internal system clock selection bit
0 : XIN–XOUT selection (middle-/high-speed mode)
1 : XCIN–XCOUT selection (low-speed mode)
Processor mode bits
b1 b0
0
0 : Single-chip mode
0
1
0
Not available
1
Port XC switch bit
0 : I/O port function (stop oscillating)
1 : XCIN-XCOUT oscillating function
XCOUT drivability selection bit
0 : Low drive
1 : High drive
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PDF描述 |
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| M38B52E3XXXFS | SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38B52E4XXXFP | SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38B52E4XXXFS | SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38B52E5XXXFP | SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38B52E5XXXFS | SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M38B52E3XXXFS | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38B52E4XXXFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38B52E4XXXFS | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38B52E5XXXFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38B52E5XXXFS | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
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