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參數(shù)資料
| 型號： | UPD754244GS-XXX-GJG |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PDSO20 |
| 封裝： | 0.300 INCH, 0.65 MM PITCH, PLASTIC, SSOP-20 |
| 文件頁數(shù)： | 13/90頁 |
| 文件大?。?/td> | 602K |
| 代理商： | UPD754244GS-XXX-GJG |
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PD754144, 754244
18
Data Sheet U10040EJ2V1DS
6. EEPROM
The
PD754244 incorporates 16 words × 8 bit EEPROM (Electrically Erasable PROM) as well as static RAM
(128 words
× 4 bit) as a data memory.
The EEPROM incorporated into the
PD754244 has the following features.
(1) Written data is retained if power is turned off.
(2) 8-bit data manipulation (auto-erase/auto-write) is available by memory manipulation instruction as well as
for static RAM. However available instructions are restricted.
(3) It can reduce loads of software because the auto-erase and/or auto-write operation is performed by
hardware.
(4) Write operation control using the interrupt request
The interrupt request is generated under following conditions.
Terminates write operation
Write status flag
It is possible to check whether enables or disables write operation by bit manipulation instructions.
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