參數(shù)資料
型號: M37640M4T
廠商: Mitsubishi Electric Corporation
英文描述: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
中文描述: 單芯片8位CMOS微機
文件頁數(shù): 38/48頁
文件大?。?/td> 563K
代理商: M37640M4T
MITSUBISHI
ELECTRIC
38
MITSUBISHI MICROCOMPUTERS
7630 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
RESET CIRCUIT
The 7630 group is reset according to the sequence shown in Fig.
44. It starts program execution from the address formed by the con-
tents of the addresses FFFB
16
and FFFA
16
, when the RESET pin is
held at “L” level for more than 2
μ
s while the power supply voltage is
in the recommended operating condition and then returned to “H”
level.
Refer to Fig. 43 for an example of the reset circuit.
Fig. 43
Example of reset circuit
Fig. 44
Reset sequence
power on
0V
0V
power source voltage
reset input voltage
4.0V
0.8V
7630 group
M51953AL
RESET
V
SS
V
CC
0.1
μ
F
1
5
4
3
X
IN
RESET
internal reset
Address
Data
28 to 34
cycles of X
IN
AD
L
AD
H
FFFA
16
FFFB
16
AD
L
, AD
H
1st op code
20 cycles of X
IN
24 cycles of X
IN
8192 cycles of
X
IN
(T1, T2)
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