參數(shù)資料
型號(hào): UPD750004GBA-XXX-3BS-MTX
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PQFP44
封裝: 10 X 10 MM, 0.80 MM PITCH, PLASTIC, QFP-44
文件頁(yè)數(shù): 32/86頁(yè)
文件大?。?/td> 626K
代理商: UPD750004GBA-XXX-3BS-MTX
PD750004, 750006, 750008, 750004(A), 750006(A), 750008(A)
36
Data Sheet U10738EJ3V2DS
9. RESET FUNCTION
The
PD750008 is reset with the external reset signal (RESET) or the reset signal received from the basic interval
timer/watchdog timer. When either reset signal is input, the internal reset signal is generated. Fig. 9-1 shows the
configuration of the reset circuit.
Fig. 9-1
Configuration of Reset Functions
When the RESET signal is generated, all hardware is initialized as indicated in Table 9-1. Fig. 9-2 shows the reset
operation timing.
Fig. 9-2
Reset Operation by Generation of RESET Signal
Note Either of the following two values can be selected by a mask option:
217/fX (21.8 ms at 6.0 MHz, 31.3 ms at 4.19 MHz)
215/fX (5.46 ms at 6.0 MHz, 7.81 ms at 4.19 MHz)
WDTM
RESET
Internal reset signal
Reset signal from basic
interval timer/watchdog timer
Internal bus
RESET signal is generated
Operating mode or
standby mode
HALT mode
Operating mode
Internal reset operation
Wait
Note
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