參數(shù)資料
型號(hào): PCA1463U
廠商: NXP SEMICONDUCTORS
元件分類: 時(shí)鐘及定時(shí)
英文描述: 32 kHz watch circuits with adaptive motor pulse
中文描述: STEPPING MOTOR WATCH, UUC8
封裝: DIE-8
文件頁(yè)數(shù): 10/24頁(yè)
文件大?。?/td> 132K
代理商: PCA1463U
1998 Apr 21
10
Philips Semiconductors
Product specification
32 kHz watch circuits with adaptive motor
pulse
PCA146x series
Correction sequence
(see Fig.8)
If a missing step is detected, a correction sequence is produced. This consists of a small pulse (t
C1
) which gives the motor
a defined position and after 29.30 ms a pulse of stage 8 (t
C2
) to turn the motor.
Fig.8 Correction sequence after a missing motor step with motor connected.
MSA943
MOTOR
PULSE
DETECTION
CORRECTION SEQUENCE
tP
tC1
tD
M1 - M2
V
= 977
μ
s
tC= 30.27 ms tP
tC2= tP
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