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參數(shù)資料
| 型號： | M38039MCH-XXXKP |
| 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： | 14 X 14 MM, 0.80 MM PITCH, PLASTIC, LQFP-64 |
| 文件頁數(shù)： | 91/117頁 |
| 文件大?。?/td> | 1873K |
| 代理商： | M38039MCH-XXXKP |
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Rev.3.11
Apr 5, 2006
Page 75 of 113
REJ03B0017-0311
3803 Group (Spec.H)
Status Register
The status register shows the operating status of the flash
memory and whether erase operations and programs ended
successfully or in error. It can be read in the following ways:
(1) By reading an arbitrary address from the User ROM area
after writing the read status register command (7016)
(2) By reading an arbitrary address from the User ROM area in
the period from when the program starts or erase operation
starts to when the read array command (FF16) is input.
Also, the status register can be cleared by writing the clear status
register command (5016).
After reset, the status register is set to “8016”.
Table 14 shows the status register. Each bit in this register is
explained below.
Sequencer status (SR7)
The sequencer status indicates the operating status of the flash
memory. This bit is set to “0” (busy) during write or erase
operation and is set to “1” when these operations ends.
After power-on, the sequencer status is set to “1” (ready).
Erase status (SR5)
The erase status indicates the operating status of erase operation.
If an erase error occurs, it is set to “1”. When the erase status is
cleared, it is reset to “0”.
Program status (SR4)
The program status indicates the operating status of write
operation.
When a write error occurs, it is set to “1”.
The program status is reset to “0” when it is cleared.
If “1” is written for any of the SR5 and SR4 bits, the read array,
program, and block erase commands are not accepted. Before
executing these commands, execute the clear status register
command (5016) and clear the status register.
Also, if any commands are not correct, both SR5 and SR4 are set
to “1”.
Table 14
Definition of each bit in status register
Each bit of
SRD bits
Status name
Definition
“1”
“0”
SR7 (bit7)
Sequencer status
Ready
Busy
SR6 (bit6)
Reserved
SR5 (bit5)
Erase status
Terminated in error
Terminated normally
SR4 (bit4)
Program status
Terminated in error
Terminated normally
SR3 (bit3)
Reserved
SR2 (bit2)
Reserved
SR1 (bit1)
Reserved
SR0 (bit0)
Reserved
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M38034M4H-XXXHP | 8-BIT, MROM, 8.4 MHz, MICROCONTROLLER, PQFP64 |
| M38034M4H-XXXSP | 8-BIT, MROM, 8.4 MHz, MICROCONTROLLER, PDIP64 |
| M38039MCH-XXXFP | 8-BIT, MROM, 8.4 MHz, MICROCONTROLLER, PQFP64 |
| M38037M8H-XXXHP | 8-BIT, MROM, 8.4 MHz, MICROCONTROLLER, PQFP64 |
| M38037M6H-XXXFP | 8-BIT, MROM, 8.4 MHz, MICROCONTROLLER, PQFP64 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M38049FFFP#U0 | 制造商:Renesas Electronics Corporation 功能描述: |
| 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(nèi)電路編程器、仿真器以及調(diào)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(guān)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' |
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