參數(shù)資料
型號(hào): PCA200010AA
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): 8/19頁(yè)
文件大小: 120K
代理商: PCA200010AA
2003 Dec 17
8
Philips Semiconductors
Product specification
32 kHz watch circuit with programmable
adaptive motor pulse
PCA2000; PCA2001
Table 3
Description of word A bits
Table 4
Description of word B bits
Notes
1.
Including the highest driving stage, which one has no
motor step detection.
If the maximum duty cycle of 75% is selected, not all
programming combinations are possible since the
second highest level must be smaller than the highest
driving level.
2.
Table 5
Description of word C bits
Note
1.
Between positive and negative detection pulses.
BIT
VALUE
DESCRIPTION
Inhibit time
1 to 7
Adjust the number of the 8192 Hz
pulses to be removed. Bit 1 is the
MSB and bit 7 is the LSB.
Calibration period
8
0
1
1 minute
2 minutes
BIT
VALUE
DESCRIPTION
Duty cycle lowest driving stage
1 to 2
00
01
10
11
37.5%
43.75%
50%
56.25%
Number of driving stages
3 to 4
00
01
10
11
3
4
5
6; note 1
Duty cycle highest driving stage
5
0
1
75%; note 2
100%
Stretching pulse
6
0
1
pulse is not stretched
pulse of 2t
pr
and duty cycle of 25%
is added
Factory test bits
7 to 8
BIT
VALUE
DESCRIPTION
Pulse width t
pr
(ms)
1 to 3
000
001
010
011
100
101
110
111
0.98
1.95
2.90
3.90
4.90
5.90
6.80
7.80
Time delay t
max
(ms);
note 1
4 to 6
000
001
010
011
100
101
110
111
3.91
4.88
5.86
6.84
7.81
8.79
9.77
10.74
EOL voltage of the battery
7
0
1
1.38 V (silver-oxide)
2.5 V (lithium)
Factory test bit
8
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