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參數(shù)資料
| 型號： | μPD780033 |
| 廠商： | NEC Corp. |
| 英文描述： | 8 Bit Single Chip Microcontrollers(8位單片微控制器) |
| 中文描述： | 8位單片機微控制器（8位單片微控制器） |
| 文件頁數(shù)： | 30/44頁 |
| 文件大?。?/td> | 238K |
| 代理商： | ΜPD780033 |
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30
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PD780031, 780032, 780033, 780034
7. EXTERNAL DEVICE EXPANSION FUNCTIONS
The external device expansion functions connect external devices to areas other than the internal ROM, RAM and
SFR. Ports 4 to 6 are used for external device connection.
8. STANDBY FUNCTION
There are the following two standby functions to reduce the consumption current.
HALT mode : The CPU operating clock is stopped. The average consumption current can be reduced by
intermittent operation in combination with the normal operating mode.
STOP mode : The system clock oscillation is stopped. The whole operation by the system clock is stopped,
so that the system operates with ultra-low power consumption.
Figure 8-1. Standby Function
9. RESET FUNCTION
There are the following two reset methods.
External reset by RESET pin
Internal reset by watchdog timer runaway time detection
STOP mode
(System clock
oscillation stopped)
System clock operation
HALT mode
(Clock supply to CPU
is stopped, oscillation
maintained)
Interrupt
request
HALT
instruction
Interrupt
request
STOP
instruction
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| PD780131 | 制造商:NEC 制造商全稱:NEC 功能描述:8-Bit Single-Chip Microcontrollers |
| PD780131(A) | 制造商:NEC 制造商全稱:NEC 功能描述:8-Bit Single-Chip Microcontrollers |
| PD780131(A1) | 制造商:NEC 制造商全稱:NEC 功能描述:8-Bit Single-Chip Microcontrollers |
| PD780131(A2) | 制造商:NEC 制造商全稱:NEC 功能描述:8-Bit Single-Chip Microcontrollers |
| PD780131A | 制造商:NEC 制造商全稱:NEC 功能描述:8-Bit Single-Chip Microcontrollers |
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