參數(shù)資料
型號: PCA1487
廠商: NXP Semiconductors N.V.
英文描述: 32 kHz watch circuits with adaptive motor pulse
中文描述: 32千赫的自適應電機脈沖手表電路
文件頁數(shù): 7/20頁
文件大小: 118K
代理商: PCA1487
1998 Apr 21
7
Philips Semiconductors
Product specification
32 kHz watch circuits with adaptive motor
pulse
PCA148x series
Fig.5 Typical current waveform of a successfully executed motor pulse.
MSA944
MOTOR PULSE
DETECTION PHASE
IM1 - M2
part 1
part 2
detection criterion
is satisfied
t
tDS
tDI
tP
tD
MSA945
MOTOR
PULSE
DETECTION PHASE
M1 - M2
V
tDS
tDI
tM3
tM4tM1
t M2
μ
s
tM1
μ
s
tMC
μ
s
tM2
μ
s
tD
tP
M1
V
tDS
tDI
tM2
μ
s
t M1
μ
s
tMC
μ
s
tM2
μ
s
t M1
μ
s
detection
criterion is
satisfied
current polarity
not measured
Fig.6 Detection phase of the current waveform in Fig.5.
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