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參數(shù)資料
| 型號(hào)： | μPD70P3002 |
| 廠商： | NEC Corp. |
| 英文描述： | 16/32 Single -Chip Microcontroller(16/32 位單片微控制器) |
| 中文描述： | 16/32單片機(jī)（16/32位單片微控制器） |
| 文件頁(yè)數(shù)： | 21/56頁(yè) |
| 文件大?。?/td> | 367K |
| 代理商： | ΜPD70P3002 |
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μ
PD70P3002
21
4. SCREENING OF ONE-TIME PROM VERSION
Because of its structure, the one-time PROM version cannot be completely tested by NEC before shipment.
It is recommended to perform screening to verify the PROM, after writing the necessary data to the PROM and
storing the device under the following conditions:
Storage Temperature
Storage Time
125
°
C
24 hours
NEC offers a service, at a charge, called QTOP microcontroller, for writing, marking, screening, and verifying
one-time PROMs. For details, consult an NEC representative.
5. NOTES ON RELEASING STOP MODE WHEN EXTERNAL CLOCK IS USED
When an external clock is used, the clock is supplied by an external system.
To release the STOP mode (by RESET or NMI input), therefore, resume clock supply at least 150
μ
s before
inputting the RESET or NMI signal to make sure that a sufficiently long time elapses to allow the PROM to
stabilize.
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