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参数资料
| 型号： | M37640E8FP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, OTPROM, 24 MHz, MICROCONTROLLER, PQFP80 |
| 封装： | 14 X 20 MM, 0.80 MM PITCH, PLASTIC, QFP-80 |
| 文件页数： | 26/96页 |
| 文件大小： | 1477K |
| 代理商： | M37640E8FP |
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32
Ver 1.4
MITSUBISHI MICROCOMPUTERS
7640 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Pulse Output Mode
Count Source:
F/n (where n is 8, 16, 32, or 64) or
SCSGCLK
Each time the timer X underflows, the output of the
CNTR0 pin is inverted, and the corresponding Timer
X interrupt request bit is set to a “1”. The repeated
inversion of the CNTR0 pin output produces a rect-
angular waveform with a duty ratio of 50 percent. The
initial level of the output is determined by the CNTR0
polarity select bit (bit 6). When this bit is low, the out-
put starts from a high level. When this bit is high, the
output starts from a low level.
Event Counter Mode
Count Source: CNTR0
Timer countdown is triggered by inputs to the CNTR0
pin. Each time a timer underflows, the corresponding
timer interrupt request bit is set to a “1”, the contents
of the timer reload latch are loaded into the timer,
and the countdown sequence begins again.
The edge used to clock Timer X is determined by the
CNTR0 polarity select bit (bit 6).
Pulse Width Measurement Mode
Count Source:
F/n (where n is 8, 16, 32, or 64) or
SCSGCLK
This mode measures either the high or low-pulse
width of the signal on the CNTR0 pin. The pulse width
measured is determined by the CNTR0 polarity se-
lect bit (bit 6). When this bit is “0”, the high pulse is
measured. When this bit is “1”, the low pulse is mea-
sured.
The timer counts down while the level on the CNTR0
pin is the polarity selected by the CNTR0 polarity se-
lect bit. When the timer underflows, the Timer X in-
terrupt request bit is set to a “1”, the contents of the
timer reload latch are reloaded into the timer, and the
timer continues counting down. Each time the signal
polarity switches to the inactive state, a CNTR0 in-
terrupt occurs indicating that the pulse width has been
measured. The width of the measured pulse can be
found by reading Timer X during the CNTR0 inter-
rupt service routine.
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相关代理商/技术参数 |
参数描述 |
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| M37640E8FS | 功能描述:EPROM MCU/8BIT CMOS EMULATION CH RoHS:否 类别:编程器，开发系统 >> 配件 系列:- 标准包装:1 系列:- 附件类型:适配器板 适用于相关产品:RCB230，RCB231，RCB212 配用:26790D-ND - RCB BREAKOUT BOARD RS232 CABLE |
| M37640M4T | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37640M8-111FP | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37640M8-126FP | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37640M8-XXXFP | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE CHIP 8 BIT CMOS MICROCOMPUTER |
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