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參數(shù)資料
| 型號： | UPD17P207GF-001-3B9 |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PQFP80 |
| 封裝： | 14 X 20 MM, PLASTIC, QFP-80 |
| 文件頁數(shù)： | 6/34頁 |
| 文件大小： | 311K |
| 代理商： | UPD17P207GF-001-3B9 |
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PD17P207
12
1.5
NOTES ON USING RESET AND INT PINS (ONLY IN ORDINARY OPERATION MODE)
In addition to the functions shown in 1. PIN FUNCTIONS, the RESET and INT pins also have a function to set a test
mode (for IC testing) in which the internal operations of the
PD17P207are tested.
When a voltage higher than VDD is applied to either of these pins, the test mode is set. This means that, even during
ordinary operation, the
PD17P207 may be set in the test mode if a noise exceeding VDD is applied.
For example, if the wiring length of the RESET or INT pin is too long, noise superimposed on the wiring line of the pin
may cause the above problem.
Therefore, keep the wiring length of these pins as short as possible to suppress the noise; otherwise, take noise
preventive measures as shown below by using external components.
Connect diode with low VF between VDD
and RESET/INT pin
Connect capacitor between VDD
and RESET/INT pin
V DD
RESET, INT
Diode with
low V F
RESET, INT
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|---|---|
| UPD17P207GF-002 | 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER WITH LCD CONTROLLER/DRIVER AND A/D CONVERTER FOR INFRARED REMOTE CONTROL TRANSMITTER |
| UPD17P207GF-002-3B9 | 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER WITH LCD CONTROLLER/DRIVER AND A/D CONVERTER FOR INFRARED REMOTE CONTROL TRANSMITTER |
| UPD17P207GF-003 | 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER WITH LCD CONTROLLER/DRIVER AND A/D CONVERTER FOR INFRARED REMOTE CONTROL TRANSMITTER |
| UPD17P207GF-003-3B9 | 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER WITH LCD CONTROLLER/DRIVER AND A/D CONVERTER FOR INFRARED REMOTE CONTROL TRANSMITTER |
| UPD17P207GF-3B9 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Microcontroller |
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