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參數(shù)資料
| 型號： | M37471E8SS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, UVPROM, 8 MHz, MICROCONTROLLER, CDIP42 |
| 封裝： | 0.600 INCH, 1.78 MM PITCH, PLASTIC, SDIP-42 |
| 文件頁數(shù)： | 11/49頁 |
| 文件大?。?/td> | 601K |
| 代理商： | M37471E8SS |
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16
7470/7471 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
Fig. 7 Structure of timer mode registers
Timer 1 count stop bit
0 : Count start
1 : Count stop
Timer 1 count source selection bit
0 : Internal clock (Note 1)
1 : P32/CNTR0 external clock
Timer 1 internal clock source
selection bit (Note 2)
0 : f(XIN) divided by 16 or
f(XCIN) divided by 16
1 : f(XCIN)
P12/T0 port output selection bit
0 : P12 port output
1 : Timer 1 overflow divided by 2
Timer 2 count stop bit
0 : Count start
1 : Count stop
Timer 2 count source selection bit
0 : Internal clock
1 : Timer 1 overflow
Timer 2 internal clock source
selection bits (Note 3)
00 : f(XIN) divided by 16 or
f(XCIN) divided by 16
01 : f(XIN) divided by 64 or
f(XCIN) divided by 64
10 : f(XIN) divided by 128 or
f(XCIN) divided by 128
11 : f(XIN) divided by 256 or
f(XCIN) divided by 256
b7
b0
Timer 1 overflow FF set enable bit
0 : Set disable
1 : Set enable
Timer 4 overflow FF set enable bit
0 : Set disable
1 : Set enable
Nothing is allocated
(The value is undefined at reading)
Timer 3, timer 4 count overflow signal
selection bit
0 : Timer 1 overflow
1 : Timer 2 overflow
Timer 3, timer 4 function selection bit
0 : Normal mode
1 : PWM mode
b7
b0
Timer 3 count stop bit
0 : Count start
1 : Count stop
Timer 3 count source selection bits (Note 3)
00 : f(XIN) divided by 16 or
f(XCIN) divided by 16
01 : f(XCIN)
10 : Timer 1 overflow or timer 2 overflow
11 : P33/CNTR1 external clock
Timer 4 count stop bit
0 : Count start
1 : Count stop
Timer 4 count source selection bits (Note 3)
00 : Timer 3 overflow
01 : f(XIN) divided by 16 or
f(XCIN) divided by 16
10 : Timer 1 overflow or timer 2 overflow
11 : P33/CNTR1 external clock
Timer 4 pulse width measuring mode
selection bit
0 : Timer mode
1 : Pulse width measuring mode
P13/T1 port output selection bit
0 : P13 port output
1 : Timer 4 overflow divided by 2
or PWM output
b7
b0
1 : f(XIN) divided by 16 in the 7470 group.
2 : The 7470 group does not use this bit (bit 2). Set this bit to “0”.
3 : Do not select f(XCIN) as the count source in the 7470 group.
Timer mode register 2 (TM2)
(Address 00FA16)
Timer 12 mode register (T12M)
(Address 00F816)
Timer 34 mode register (T34M)
(Address 00F916)
Notes
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相關代理商/技術參數(shù) |
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| M37471E8-XXXFP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
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