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參數資料
型號: FM8P51
廠商: Electronic Theatre Controls, Inc.
英文描述: EPROM/ROM-Based 8-Bit Microcontroller
中文描述: 存儲器/基于ROM的8位微控制器
文件頁數: 25/60頁
文件大小: 369K
代理商: FM8P51
FM8P51
Rev1.2 Mar 15, 2005
P.25/FM8P51
FEELING
TECHNOLOGY
care”. When T2CS is clear, the timer increments from the internal clock (Fosc/4). When T2CS is set, the timer
increments on every falling edge of the IOB0/T23CKI pin.
For the 16-bit timer to increment, both T2ON and T3ON bits must be set.
TABLE 2.2: Turning on 16-Bit Timer
T16
T3ON
T2ON
Result
1
1
1
16-bit timer (TMR3:TMR2) ON
1
0
1
16-bit timer ON, only TMR2 increments
1
x
0
16-bit timer OFF
0
1
1
Timers in 8-bit mode
When T2CS is set, the 16-bit TMR3:TMR2 increments on the falling edge of clock input T23CKI. The T23CKI input
is synchronized with internal phase clocks. This cause a delay from the time a falling edge appears on T23CKI to the
time TMR3:TMR2 is actually incremented.
FIGURE 2.6: Timer2 and Timer3 in Two 8-bit Timer/Counter Mode
FIGURE 2.7: Timer2 and Timer3 in 16-bit Timer/Counter Mode
Fosc/4
T2ON
Comparator x 8
TMR2
PR2
Equal
Reset
Set T2IF flag
Clock output
Comparator x 8
TMR3
PR3
Equal
Reset
Set T3IF flag
Clock output
T23CKI
T2CS
MUX
0
1
Fosc/4
T3ON
T3CS
MUX
1
0
Fosc/4
T2ON
TMR2
PR2
Equal
Reset
Set T2IF flag
Clock output
Comparator x 16
TMR3
PR3
T23CKI
T2CS
MUX
0
1
MSB
LSB
相關PDF資料
PDF描述
FM8P51EF EPROM/ROM-Based 8-Bit Microcontroller
FM8P51EP EPROM/ROM-Based 8-Bit Microcontroller
FM8P51F EPROM/ROM-Based 8-Bit Microcontroller
FM8P51P EPROM/ROM-Based 8-Bit Microcontroller
FM8P51E EPROM/ROM-Based 8-Bit Microcontroller
相關代理商/技術參數
參數描述
FM8P51E 制造商:未知廠家 制造商全稱:未知廠家 功能描述:EPROM/ROM-Based 8-Bit Microcontroller
FM8P51EF 制造商:未知廠家 制造商全稱:未知廠家 功能描述:EPROM/ROM-Based 8-Bit Microcontroller
FM8P51EP 制造商:未知廠家 制造商全稱:未知廠家 功能描述:EPROM/ROM-Based 8-Bit Microcontroller
FM8P51F 制造商:未知廠家 制造商全稱:未知廠家 功能描述:EPROM/ROM-Based 8-Bit Microcontroller
FM8P51P 制造商:未知廠家 制造商全稱:未知廠家 功能描述:EPROM/ROM-Based 8-Bit Microcontroller
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