參數(shù)資料
型號: 37C672
廠商: SMSC Corporation
英文描述: ENHANCED SUPER I/O CONTROLLER WITH FAST IR
中文描述: 增強的超級I / O控制器,快速紅外線
文件頁數(shù): 150/173頁
文件大?。?/td> 965K
代理商: 37C672
APPLICATION
2.2 Timer
2-21
3802 GROUP USER’S MANUAL
Fig. 2.2.21 Setting of related registers [Measurement of pulse width]
01
CNTR0 active edge switch bit : Count “H” level width
Timer X operating mode bits : Pulse width
measurement mode
Timer X count stop bit : Count stop
Set to “0” at starting to count.
TM
Timer XY mode register (Address : 2316)
b7
b0
1
255
PREX
Prescaler X (Address : 2416)
Set “division ratio – 1”
255
TX
Timer X (Address : 2516)
1
Timer X interrupt enable bit : Interrupt enabled
ICON1
Interrupt control register 1 (Address : 3E16)
b7
b0
b7
b0
b7
b0
1
CNTR0 interrupt enable bit : Interrupt enabled
ICON2
Interrupt control register 2 (Address : 3F16)
0
CNTR0 interrupt request bit
(This bit is set to “1” at completion of inputting
“H” level signal.)
IREQ2
Interrupt request register 2 (Address : 3D16)
b7
b0
b7
b0
Timer X interrupt request bit
(This bit is set to “1” at underflow of Timer X.)
IREQ1
Interrupt request register (Address : 3C16)
0
b7
b0
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