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參數(shù)資料
| 型號(hào)： | UPD753017GC |
| 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)： | 39/80頁(yè) |
| 文件大小： | 569K |
| 代理商： | UPD753017GC |
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39
μ
PD753012, 753016, 753017
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
RESET
Internal reset signal
Reset signal sent from the basic
interval timer/watchdog timer
WDTM
Internal bus
The
μ
PD753017 is set by the RESET signal generated and each device 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
Operation mode or
standby mode
Wait
Note
RESET
signal
generated
Operation mode
HALT mode
Internal reset operation
Note
The following two times can be selected by the mask option.
2
17
/f
X
(21.8 ms : at 6.00 MHz operation, 31.3 ms : at 4.19 MHz operation)
2
15
/f
X
(5.46 ms : at 6.00 MHz operation, 7.81 ms : at 4.19 MHz operation)
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