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參數(shù)資料
| 型號(hào)： | M38C29FFAFP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, FLASH, 5 MHz, MICROCONTROLLER, PQFP64 |
| 封裝： | 14 X 14 MM, 0.80 MM PITCH, PLASTIC, LQFP-64 |
| 文件頁數(shù)： | 65/104頁 |
| 文件大?。?/td> | 1327K |
| 代理商： | M38C29FFAFP |
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Rev.2.00
May 28, 2004
page 61 of 100
38C2 Group (A Version)
Software Commands
Table 12 lists the software commands.
After setting the CPU rewrite mode select bit to “1”, execute a soft-
ware command to specify an erase or program operation.
Each software command is explained below.
qRead Array Command (FF16)
The read array mode is entered by writing the command code “FF16”
in the first bus cycle. When an address to be read is input in one of
the bus cycles that follow, the contents of the specified address are
read out at the data bus (D0 to D7).
The read array mode is retained until another command is written.
qRead Status Register Command (7016)
When the command code “7016” is written in the first bus cycle, the
contents of the status register are read out at the data bus (D0 to D7)
by a read in the second bus cycle.
The status register is explained in the next section.
qClear Status Register Command (5016)
This command is used to clear the bits SR4 and SR5 of the status
register after they have been set. These bits indicate that operation
has ended in an error. To use this command, write the command
code “ 50
16
”
in the first bus cycle.
qProgram Command (4016)
Program operation starts when the command code “4016” is written
in the first bus cycle. Then, if the address and data to program are
written in the 2nd bus cycle, program operation (data programming
and verification) will start.
Whether the write operation is completed can be confirmed by read
_____
status register or the RY/BY status flag. When the program starts,
the read status register mode is entered automatically and the con-
tents of the status register is read at the data bus (D0 to D7). The
status register bit 7 (SR7) is set to “0” at the same time the write
operation starts and is returned to “1” upon completion of the write
operation. In this case, the read status register mode remains active
until the read array command (FF16) is written.
Table 12 List of software commands (CPU rewrite mode)
The RY/BY status flag of the flash memory control register is “0”
during write operation and “1” when the write operation is completed
as is the status register bit 7.
At program end, program results can be checked by reading the sta-
tus register.
Fig. 64 Program flowchart
Command
Program
Clear status register
Read array
Read status register
X
First bus cycle
Second bus cycle
FF16
7016
5016
4016
Write
XSRD
Read
Write
(Note 1)
WA (Note 2)
WD (Note 2)
Block erase2016
Write
D016
Write
BA (Note 3)
Mode
Address
Mode
Address
Data
(D0 to D7)
(Note 4)
Notes 1: SRD = Status Register Data
2: WA = Write Address, WD = Write Data
3: BA = Block Address to be erased (Input the maximum address of each block.)
4: X denotes a given address in the User ROM area.
Cycle number
1
2
1
2
X
Data
Start
Write 4016
Read status register
Program
completed
NO
YES
Write address
Write data
SR4 = 0 ?
Program
error
NO
YES
SR7 = 1 ?
or
RY/BY = 1 ?
Write
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M38C29FFAFP#U0 | 功能描述:IC 740/38C2 MCU FLASH 64LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:740/38000 產(chǎn)品培訓(xùn)模塊:CAN Basics Part-1 CAN Basics Part-2 Electromagnetic Noise Reduction Techniques Part 1 M16C Product Overview Part 1 M16C Product Overview Part 2 標(biāo)準(zhǔn)包裝:1 系列:M16C™ M32C/80/87 核心處理器:M32C/80 芯體尺寸:16/32-位 速度:32MHz 連通性:EBI/EMI，I²C，IEBus，IrDA，SIO，UART/USART 外圍設(shè)備:DMA，POR，PWM，WDT 輸入/輸出數(shù):121 程序存儲(chǔ)器容量:384KB（384K x 8） 程序存儲(chǔ)器類型:閃存 EEPROM 大小:- RAM 容量:24K x 8 電壓 - 電源 (Vcc/Vdd):3 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 34x10b，D/A 2x8b 振蕩器型:內(nèi)部 工作溫度:-20°C ~ 85°C 封裝/外殼:144-LQFP 包裝:托盤 產(chǎn)品目錄頁面:749 (CN2011-ZH PDF) 配用:R0K330879S001BE-ND - KIT DEV RSK M32C/87 |
| M38C29FFAHP | 制造商:Renesas Electronics Corporation 功能描述:MCU 3/5V 60K 64-LQFP - Trays |
| M38C29FFAHP#U0 | 制造商:Renesas Electronics Corporation 功能描述:MCU 8BIT 740 CISC 60KB FLASH 5V 64LQFP - Trays |
| M38C29FFFP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38C29FFHP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
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