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參數(shù)資料
| 型號： | M37542M2T-XXXGP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP32 |
| 封裝： | 7 X 7 MM, 0.80 MM PITCH, PLASTIC, LQFP-32 |
| 文件頁數(shù)： | 110/139頁 |
| 文件大?。?/td> | 1448K |
| 代理商： | M37542M2T-XXXGP |
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7542 Group
Rev.3.02
Oct 31, 2006
Page 72 of 134
REJ03B0006-0302
Table 9 Summary of 7542 group’s flash memory version
FLASH MEMORY MODE
The 7542 group’s flash memory version has the flash memory that
can be rewritten with a single power source.
For this flash memory, three flash memory modes are available in
which to read, program, and erase: the parallel I/O and standard
serial I/O modes in which the flash memory can be manipulated
using a programmer and the CPU rewrite mode in which the flash
memory can be manipulated by the Central Processing Unit
(CPU).
● Summary
Table 9 lists the summary of the 7542 Group (flash memory ver-
sion).
This flash memory version has some blocks on the flash memory
as shown in Figure 94 and each block can be erased.
In addition to the ordinary User ROM area to store the MCU op-
eration control program, the flash memory has a Boot ROM area
that is used to store a program to control rewriting in CPU rewrite
and standard serial I/O modes. This Boot ROM area has had a
standard serial I/O mode control program stored in it when
shipped from the factory. However, the user can write a rewrite
control program in this area that suits the user’s application sys-
tem. This Boot ROM area can be rewritten in only parallel I/O
mode.
Item
Power source voltage (Vcc)
Temperatre at program/erase
Program/Erase VPP voltage (VPP)
Flash memory mode
Erase block division
User ROM area/Data ROM area
Boot ROM area (Note)
Program method
Erase method
Program/Erase control method
Number of commands
Number of program/Erase times
ROM code protection
Specifications
VCC = 2.7 to 5.5 V
Ta = 0 to 60 °C
VCC = 2.7 to 5.5 V
3 modes; Parallel I/O mode, Standard serial I/O mode, CPU rewrite mode
Refer to Fig. 94.
Not divided (4K bytes)
In units of bytes
Block erase
Program/Erase control by software command
5 commands
100
Available in parallel I/O mode and standard serial I/O mode
Note: The Boot ROM area has had a standard serial I/O mode control program stored in it when shipped from the factory.
This Boot ROM area can be erased and written in only parallel I/O mode.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M37542F8VGP | 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP32 |
| M37542M2V-XXXGP | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP32 |
| M37542M2V-XXXGP | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP32 |
| M37542M2-XXXSP | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP32 |
| M37542F8SP | 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDIP32 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M37542M2-XXXFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37542M2-XXXGP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37542M2-XXXHP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37542M2-XXXSP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37542M4-XXXFP | 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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