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| 型號(hào)： | PCA153XSERIES |
| 英文描述： | Clock Circuit |
| 中文描述： | 時(shí)鐘電路 |
| 文件頁數(shù)： | 3/12頁 |
| 文件大小： | 44K |
| 代理商： | PCA153XSERIES |
January 1994
3
Philips Semiconductors
Product specification
32 kHz clock circuit
PCA153X series
PINNING
SYMBOL
PIN
DESCRIPTION
OSC OUT
V
SS
TEST IN
M1
M2
n.c.
V
DD
OSC IN
1
2
3
4
5
6
7
8
oscillator output
ground (0 V)
test input
motor 1 output
motor 2 output
not connected
supply voltage
oscillator input
Fig.1 Pin configuration.
1
2
3
4
8
7
6
5
PCA153X
SERIES
VSS
TEST IN
OSC OUT
M1
OSC IN
M2
n.c.
VDD
MGA932
FUNCTIONAL DESCRIPTION AND TESTING
Operating mode
In the operating mode pin 3 must be left open-circuit or
connected to V
DD
.
Test mode
When testing the motor, a test frequency can be applied to
TEST IN (pin 3) which allows the motor outputs to be
accelerated up to 20 Hz.
Fig.2 Motor output waveforms.
MLB322
tp
tp
T
2T
DD
V
SS
V
DD
V
SS
V
M1
M2
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