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| 型號(hào)： | M30240M4-XXXFP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, MROM, MICROCONTROLLER, PQFP80 |
| 封裝： | 0.80 MM PITCH, PLASTIC, QFP-80 |
| 文件頁(yè)數(shù)： | 90/125頁(yè) |
| 文件大?。?/td> | 753K |
| 代理商： | M30240M4-XXXFP |
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Mitsubishi microcomputers
M16C / 24 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
69
CONFIDENTIAL
Preliminary Specifications REV.B
Specifications in this manual are tentative and subject to change
Timer A
(2) Event counter mode
In this mode, the timer counts an external signal or an internal timer’s overflow. Timers A0 and A1 can
count a single-phase external signal. Timers A2, A3, and A4 can count a single-phase and a two-phase
external signal. Table 17 lists the timer specifications when counting a single-phase external signal.
Figure 64 shows Timer Ai mode register in event counter mode, single-phase signal.
Table 17:
Timer specication in event counter mode (when not processing two-phase pulse signal)
Item
Specication
Count source
External signals input to TAiIN pin (effective edge can be selected by software
TB2 overow, TAj overow
Count operation
Up count or down count can be selected by external signal or software
When the timer overows or underows, it reloads the reload register contents before
continuing counting. (However, this does not apply when the free-run function is selected.)
Divide ration
1/ (n + 1) for down count
n: set value
Count start condition
Count start ag is set (=1)
Count stop condition
Count start ag is reset (=0)
Interrupt request
generation timing
Timer overows or underows
TAiIN pin function
Programmable I/O port or count source input
TAiOUT pin function
Programmable I/O port, pulse output, or up/down count select input
Read from timer
Count value can be read out by reading timer Ai register
Writer to timer
When counting stopped
When a value is written to timer Ai register, it si written to both reload register and counter
When counting in progress
When a value is writtento timer Ai register, it si written to only reload register
Select function
Free-run count function
Even when the timer overows or underows, the reload register content is not reloaded to
it
Pulse output function
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M30240M5 | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30240M5-XXXFP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30240M6 | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30240M6-XXXFP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30240M7 | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
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