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參數(shù)資料
| 型號(hào)： | UPD753017A |
| 廠商： | NEC Corp. |
| 元件分類： | 4位微控制器 |
| 英文描述： | 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
| 中文描述： | 4位單片機(jī)的小型通用紅外遙控器 |
| 文件頁(yè)數(shù)： | 41/88頁(yè) |
| 文件大小： | 438K |
| 代理商： | UPD753017A |
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41
μ
PD753012A, 753016A, 753017A
Data Sheet U11662EJ2V0DS00
9. RESET FUNCTION
There are two reset inputs: external reset signal (RESET) and reset signal sent from the basic interval timer/
watchdog timer. When either one of the reset signals are input, an internal reset signal is generated. Figure 9-
1 shows the circuit diagram of the above two inputs.
Figure 9-1. Configuration of Reset Function
The
μ
PD753017A is set by the RESET signal generated and each hardware is initialized as listed in Table
9-1. Figure 9-2 shows the timing chart of the reset operation.
Figure 9-2. Reset Operation by RESET Signal Generation
Note
The following two times can be selected by the mask option.
2
17
/f
X
(21.8 ms : at 6.0 MHz operation, 31.3 ms : at 4.19 MHz operation)
2
15
/f
X
(5.46 ms : at 6.0 MHz operation, 7.81 ms : at 4.19 MHz operation)
RESET
Internal reset signal
Reset signal sent from the basic
interval timer/watchdog timer
WDTM
Internal bus
Operation mode or
standby mode
Wait
Note
RESET
signal
generated
Operation mode
HALT mode
Internal reset operation
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