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參數(shù)資料
| 型號： | UPD784907 |
| 廠商： | NEC Corp. |
| 英文描述： | 16-BIT SINGLE-CHIP MICROCONTROLLER |
| 中文描述： | 16位單片機 |
| 文件頁數(shù)： | 64/98頁 |
| 文件大?。?/td> | 657K |
| 代理商： | UPD784907 |
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μ
PD784907, 784908
64
Data Sheet U11680EJ2V0DS00
13. REGULATOR
The
μ
PD784908 incorporates a regulator (a circuit which enables low-voltage operation) to reduce the current
consumption of the device. To enable or disable the operation of this regulator, specify the input level of the REGOFF
pin. To disable the operation of the regulator, input a high level signal to the REGOFF pin. To enable operation, input
a low level signal to the REGOFF pin.
When the regulator is turned on, the CPU enters low-power mode. It is recommended to operate this product using
this regulator.
To stabilize the regulator output voltage, connect a capacitor (of about 1
μ
F) to the REGC pin (stabilizing capacitor
connection pin).
When the regulator is stopped, apply the same level as V
DD
to the REGC pin. Figure 13-1 is a block diagram of
the regulator's peripheral circuits.
Figure 13-1. Regulator Peripheral Circuits
Processing for the REGC pin
When the regulator is operating
Connect a capacitor to stabilize the regulator.
When the regulator is stopped
Supply the power supply voltage.
REGOFF
V
DD
STBC.7
REGC
1 F
Low level: Regulator is turned on.
High level: Regulator is turned off.
Regulator
Internal power supply voltage
(Supplies to the CPU and
peripheral circuits.)
Stops oscillation.
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| UPD784907GF | 16-BIT SINGLE-CHIP MICROCONTROLLER |
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| UPD784908GF-XXX-3BA | 16-Bit Microcontroller |
| UPD784907GF-XXX-3BA | 16-Bit Microcontroller |
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