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參數(shù)資料
| 型號(hào)： | M38034M4H-XXXHP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 8.4 MHz, MICROCONTROLLER, PQFP64 |
| 封裝： | 10 X 10 MM, 0.50 MM PITCH, PLASTIC, LQFP-64 |
| 文件頁數(shù)： | 83/117頁 |
| 文件大小： | 1873K |
| 代理商： | M38034M4H-XXXHP |
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Rev.3.11
Apr 5, 2006
Page 68 of 113
REJ03B0017-0311
3803 Group (Spec.H)
FLASH MEMORY MODE
The 3803 group (Spec.H)’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).
This flash memory version has some blocks on the flash memory
as shown in Figure 64 and each block can be erased.
In addition to the ordinary User ROM area to store the MCU
operation 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
system. This Boot ROM area can be rewritten in only parallel I/O
mode.
Summary
Table 11 lists the summary of the 3803 Group (Spec.H) flash
memory version.
NOTE:
1. 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.
Table 11
Summary of 3803 group (Spec.H)’s flash memory version
Item
Specifications
Power source voltage (Vcc)
VCC = 2.7 to 5.5 V
Program/Erase VPP voltage (VPP)VCC = 2.7 to 5.5 V
Flash memory mode
3 modes; Parallel I/O mode, Standard serial I/O mode, CPU
rewrite mode
Erase block division
User ROM area/Data ROM area
Refer to Figure.64.
Boot ROM area (1)
Not divided (4K bytes)
Program method
In units of bytes
Erase method
Block erase
Program/Erase control method
Program/Erase control by software command
Number of commands
5 commands
Number of program/Erase times
100
ROM code protection
Available in parallel I/O mode and standard serial I/O mode
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| M38034M4H-XXXSP | 8-BIT, MROM, 8.4 MHz, MICROCONTROLLER, PDIP64 |
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