參數(shù)資料
型號(hào): M38239GC-XXXFP
廠商: Renesas Technology Corp.
英文描述: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
中文描述: 單芯片8位CMOS微機(jī)
文件頁(yè)數(shù): 50/76頁(yè)
文件大小: 896K
代理商: M38239GC-XXXFP
Rev.2.02 Jun 19, 2007 page 50 of 73
REJ03B0146-0202
3823 Group
RESET CIRCUIT
To reset the microcomputer, RESET pin should be held at an “L”
level for 2 μs or more. Then the RESET pin is returned to an “H”
level (the power source voltage should be between V
CC
(min.) and
5.5 V, and the quartz-crystal oscillator should be stable), reset is
released. After the reset is completed, the program starts from the
address contained in address FFFD
16
(high-order byte) and ad-
dress FFFC
16
(low-order byte). Make sure that the reset input
voltage meets V
IL
spec. when a power source voltage passes
V
CC
(min.).
Fig. 51 Reset Circuit Example
Fig. 52 Reset Sequence
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