參數(shù)資料
型號: M34551E8FP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PQFP48
封裝: 7 X 10 MM, 0.65 MM PITCH, PLASTIC, QFP-48
文件頁數(shù): 89/155頁
文件大?。?/td> 1329K
代理商: M34551E8FP
FUNCTIONAL BLOCK OPERATIONS
4551 Group User’s Manual
HARDWARE
1-27
Fig. 23 Carrier wave output auto-control by timer 1
Timer 1 underflow
Port CARR output
(C20)
←0
Register C20
(C20)
←1 (C20)←0 (C20)←1
a
b
c
Set the interval
“a” to timer 1.
Set the interval “b” to
reload register R1.
Set the interval “c” to
reload register R1.
Set the interval “d” to
reload register R1.
d
Timer 1
underflow
Port CARR
output
(C20)
←1
Carrier wave output start
Timer 1 start
Carrier wave output start
“H”
“L”
“1”
“0”
“1”
“0”
“H”
“L”
“1”
“0”
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