參數(shù)資料
型號(hào): PCA2001AA
廠商: NXP Semiconductors N.V.
英文描述: 32 kHz watch circuit with programmable adaptive motor pulse
中文描述: 32千赫的可編程自適應(yīng)脈沖馬達(dá)手表電路
文件頁(yè)數(shù): 11/19頁(yè)
文件大?。?/td> 120K
代理商: PCA2001AA
2003 Dec 17
11
Philips Semiconductors
Product specification
32 kHz watch circuit with programmable
adaptive motor pulse
PCA2000; PCA2001
V
DD
V
DD(mod)
V
P(mod)
(1)
V
SS
t
0
mgw357
I
DD
t
1
t
1
t
3
t
2
t
1
t
2
t
2
t
2
t
2
V
P(start)
t
p(start)
V
P(stop)
t
p(stop)
Fig.8 Supply voltage modulation and corresponding supply current variation for reading word B.
(1)
I
DD
V
30 k
=
Frequency tuning of assembled watch
Figure 9 shows the test set-up for frequency tuning the assembled watch.
handbook, full pagewidth
MGW568
FREQUENCY
COUNTER
PROGRAMMABLE
DC POWER SUPPLY
PC INTERFACE
PC
M
motor
32 kHz
PCA200x
battery
Fig.9 Frequency tuning at assembled watch.
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