參數(shù)資料
型號: M38004M3-XXXSP
廠商: Mitsubishi Electric Corporation
元件分類: DC/DC變換器
英文描述: 1 watt dc-dc converters
中文描述: 1瓦的DC - DC轉換器
文件頁數(shù): 66/173頁
文件大?。?/td> 4203K
代理商: M38004M3-XXXSP
2-18
3800 GROUP USER’S MANUAL
APPLICATION
2.2 Timer
Fig. 2.2.18 Setting of related registers [Measurement of frequency]
0
PREY
Prescaler Y (Address : 26
16
)
b7
Set “division ratio – 1”
255
TY
Timer Y (Address : 27
16
)
b7
Set “255” to this register immediately before
counting pulse.
(After a certain time, this value is decreased by
the number of input pulses)
1
Timer Y interrupt enable bit : Interrupt disabled
Timer 1 interrupt enable bit : Interrupt enabled
ICON1
Interrupt control register 1 (Address : 3E
16
)
b7
0
0
Judgment of Timer Y interrupt request bit
(When this bit is set to “1” at reading out
the count value of the Timer Y (address : 27
16
),
256 pulses or more are input (at setting 255 to
the Timer Y).)
IREQ1
Interrupt request register 1 (Address : 3C
16
)
b7
1
CNTR
1
active edge switch bits : Count at falling edge
Timer Y count stop bit : Count stop
Set to “0” at starting to count.
Timer Y operating mode bit : Event counter mode
TM
Timer XY mode register (Address : 23
16
)
b7
b0
0
1
Prescaler 12 (Address : 20
16
)
b7
63
b0
PRE12
7
T1
Timer 1 (Address : 21
16
)
b7
b0
b0
b0
b0
b0
1
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