CF5705AE 查看數據表（PDF） - Nippon Precision Circuits
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CF5705AE Datasheet PDF : 7 Pages
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FUNCTIONAL DESCRIPTION
Motor Output Waveform
CF5705 series
OUT1
OUT2
TPW
TPW
TCY/2
TCY/2
VDD
VSS
VDD
VSS
The motor output waveform cycle time and output pulsewidth are set by mask option.
Reset Function
RESET
(open)
OUT1
T < TON
TPW
T > TON
VDD
VSS
VDD
VSS
OUT2
TCY/2
TCY/2
TD
VDD
VSS
Reset operation
A reset operation occurs when RESET is held HIGH
(VDD) for a period of 93.75 ms or greater, otherwise
the reset is ignored. When the reset pulse is valid, the
4 Hz and subsequent frequency dividers are reset.
Reset Release
When the reset is released, the first output pulse
occurs on the output pin opposite the output pin
where the preceding motor drive output pulse
occurred; first pulse occurs on OUT1 if previous
motor drive pulse occurred on OUT2, and vice versa.
A delay of TCY/2 − 0.125 to TCY/2 takes place from
when reset is released until the first output pulse
occurs.
NIPPON PRECISION CIRCUITS—5
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