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參數(shù)資料
| 型號： | M38049FFHFP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, FLASH, 8.4 MHz, MICROCONTROLLER, PQFP64 |
| 封裝： | 14 X 14 MM, 0.80 MM PITCH, PLASTIC, QFP-64 |
| 文件頁數(shù)： | 94/116頁 |
| 文件大?。?/td> | 1261K |
| 代理商： | M38049FFHFP |
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Rev.1.01
Jan 25, 2005
page 79 of 114
REJ03B0131-0101Z
3804 Group (Spec. H)
Table 13 Summary of 3804 group (spec. H)
FLASH MEMORY MODE
The 3804 group (spec. H) has the flash memory that can be re-
written 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 has some blocks on it as shown in Figure 77
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.
q Summary
Table 13 lists the summary of the 3804 Group (spec. H).
Item
Power source voltage (Vcc)
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
3 modes; Parallel I/O mode, Standard serial I/O mode, CPU rewrite mode
Refer to Fig. 77.
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.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| M38049FFLHP#U0 | 制造商:Renesas Electronics Corporation 功能描述: |
| M38049RLSS | 功能描述:DEV EMULATOR CHIP RAM 2KB 64SDIP RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 內電路編程器、仿真器以及調試器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 19/Jul/2010 標準包裝:1 系列:* 類型:* 適用于相關產(chǎn)品:* 所含物品:* |
| M3806 | 功能描述:電纜固定件和配件 LTSCG 625 BLACK RoHS:否 制造商:Heyco 類型:Cable Grips, Liquid Tight 材料:Nylon 顏色:Black 安裝方法:Cable 最大光束直徑:11.4 mm 抗拉強度: |
| M3806 BK001 | 制造商:Alpha Wire Company 功能描述:CBL 8COND 18AWG BLK 1000' |
| M3806 BK002 | 制造商:Alpha Wire Company 功能描述:CBL 8COND 18AWG BLK 500' |
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