參數(shù)資料
型號: M34570M4-081FP
廠商: Mitsubishi Electric Corporation
英文描述: SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
中文描述: 單芯片4位微機的CMOS
文件頁數(shù): 27/68頁
文件大小: 319K
代理商: M34570M4-081FP
27
MITSUBISHI MICROCOMPUTERS
4570 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
Fig. 22 Carrier wave output auto-control by timer 1
(C2
0
)
0
Register C2
0
M
(C2
0
)
1
M
(C2
0
)
0
(C2
0
)
1
M
Interval “a” is set
by timer 1
M
Interval “b” is set by
reload register R1
M
Interval “c” is set by
reload register R1
M
Interval “d” is set by
reload register R1
(C2
0
)
1
Carrier wave output start
Carrier wave output start
“a”
“b”
“c”
“d”
Port CARR output
“H”
“L”
Timer 1 underflow
Timer 1 start
M
“1”
“0”
Timer 1 underflow
“1”
“0”
Port CARR output
“H”
“L”
“1”
“0”
Timer 3 underflow
CARRY
Timer 3 start
M
“H”
“L”
“1”
“0”
f(X
IN
) (divided by 3)
“H”
“L”
2
1 0 3 2 1 0 2 1 0 3 2 1 0 2 1 0
R3H
Timer 3
Timer 3 reload register R3H
“L” interval
TW3A
instruction
Machine cycle
R3L
R3H
R3L
03
16
02
16
set by
R3L
CARRY
“H”
“L”
CARRY
“H”
“L”
“H” interval
set by R3H
“L” interval
set by
R3L
“H” interval
set by R3H
Timer 3 reload register R3L
M
M
¨
¨
¨
¨
¨
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