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參數(shù)資料
| 型號(hào)： | MQ80C154-30/883D |
| 廠商： | ATMEL CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, 30 MHz, MICROCONTROLLER, CQFP44 |
| 封裝： | CERAMIC, QFP-44 |
| 文件頁(yè)數(shù)： | 187/839頁(yè) |
| 文件大?。?/td> | 61013K |
| 代理商： | MQ80C154-30/883D |
267
ATmega165A/PA/325A/PA/3250A/PA/645A/P/6450A/P [DATASHEET]
8285E–AVR–02/2013
27.7.7
Reading the EEPROM
The algorithm for reading the EEPROM memory is as follows (refer to ”Programming the Flash” on page 263 for
details on Command and Address loading):
1.
A: Load Command “0000 0011”.
2.
G: Load Address High Byte (0x00 - 0xFF).
3.
B: Load Address Low Byte (0x00 - 0xFF).
4.
Set OE to “0”, and BS1 to “0”. The EEPROM Data byte can now be read at DATA.
5.
Set OE to “1”.
27.7.8
Programming the Fuse Low Bits
The algorithm for programming the Fuse Low bits is as follows (refer to ”Programming the Flash” on page 263 for
details on Command and Data loading):
1.
A: Load Command “0100 0000”.
2.
C: Load Data Byte. Bit n = “0” programs and bit n = “1” erases the Fuse bit.
3.
Give WR a negative pulse and wait for RDY/BSY to go high.
27.7.9
Programming the Fuse High Bits
The algorithm for programming the Fuse High bits is as follows (refer to ”Programming the Flash” on page 263 for
details on Command and Data loading):
1.
A: Load Command “0100 0000”.
2.
C: Load Data Byte. Bit n = “0” programs and bit n = “1” erases the Fuse bit.
3.
Set BS1 to “1” and BS2 to “0”. This selects high fuse byte.
4.
Give WR a negative pulse and wait for RDY/BSY to go high.
5.
Set BS1 to “0”. This selects low data byte.
27.7.10
Programming the Extended Fuse Bits
The algorithm for programming the Extended Fuse bits is as follows (refer to ”Programming the Flash” on page 263
for details on Command and Data loading):
1.
1. A: Load Command “0100 0000”.
2.
2. C: Load Data Byte. Bit n = “0” programs and bit n = “1” erases the Fuse bit.
3.
3. Set BS1 to “0” and BS2 to “1”. This selects extended fuse byte.
4.
4. Give WR a negative pulse and wait for RDY/BSY to go high.
5.
5. Set BS2 to “0”. This selects low data byte.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MQ80C154-36 | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:CMOS 0 to 36 MHz Single Chip 8-bit Microcontroller |
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| MQ80C186-10/BYA | 制造商:Rochester Electronics LLC 功能描述: |
| MQ80C186-12/BYA | 制造商:Rochester Electronics LLC 功能描述: |
| MQ80C186-12/BYC | 制造商:Rochester Electronics LLC 功能描述: |
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