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參數(shù)資料
| 型號： | UPD75048 |
| 廠商： | NEC Corp. |
| 英文描述： | 4-BIT SINGLE-CHIP MICROCOMPUTER |
| 中文描述： | 4位單片機(jī) |
| 文件頁數(shù)： | 21/68頁 |
| 文件大?。?/td> | 538K |
| 代理商： | UPD75048 |
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21
μ
PD75048
5. EEPROM
The
μ
PD75048 contains the 1024-word x 4-bit EEPROM (Electrically Erasable PROM).
The EEPROM of the
μ
PD75048 has the following characteristics.
The EEPROM can retain its contents even if the power is turned off.
In the same manner as the static RAM, data can be manipulated (auto-erase/write/read) in 4-bit
or 8-bit units by using a memory manipulation instruction
The contens of EEPROM are automatically erased or written by hardware, so that the overhead
of the software is alleviated.
Write time .... 10 ms.
Number of write operation100,000 times (guaranteed).
Write operation can be controlled by interrupt.
When write operation is completed an interrupt occurs.
When overwrite is executed. (Write operation is executed during write operation)
Whether or not the EEPROM is possible to be written can be checked by individually checking the
write status flag.
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