參數(shù)資料
型號: M37640E8
廠商: Mitsubishi Electric Corporation
英文描述: SINGLE-CHIP 8-BIT CMOS MICROCONTROLLER
中文描述: 單芯片8位CMOS單片機(jī)
文件頁數(shù): 119/172頁
文件大小: 1193K
代理商: M37640E8
7600 Series
Mitsubishi Microcomputer
M37640E8-XXXF Preliminary Specification
Reset
7/9/98
2-107
2.17 Reset
This device is reset if the RESET pin is held low for a minimum of 2
μ
s while the supply voltage is
between 4.75 and 5.25Volts. When the RESET pin returns high, the reset sequence commences (see
Figure 2-122). To allow the oscillation source the time to stabilize, a delay is generated by the
countdown of Timer 1 and Timer 2 cascaded with FF
16
loaded in Timer 1 and 01
16
loaded in Timer
2. After the reset sequence completes, program execution begins at the address whose high-order byte
is the contents of address FFFA
16
and whose low-order byte is the contents of address FFFB
16
.
Figure 2-122. Internal Processing Sequence after RESET
Φ
out
P1
P2
SYNC
out
Address
Data
Reset
First
Opcode
Timer countdown from 01FF
16
FFFA
FFFB
ADH
ADL
ADL, ADH
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