VT98001 데이터 시트보기 (PDF) - Vaishali Semiconductor
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VT98001 Datasheet PDF : 4 Pages
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VT98001
Figure 2. Pin Configuration
Advance Information
VT98001
Select 24/28MHz 1
X2 2
X1 3
VDD1 4
VDD2 5
GND1 6
GND2 7
24.576MHz 8
MODE 9
24.576MHz/28.224MHz 10
20 GND5
19 27MHz
18 27MHz
17 VDD4
16 VDD3
15 GND4
14 GND3
13 18.432MHz/6.000MHz
12 /PD
11 2kHz
Table 1. Pin Description
Name
Select 24/28 MHz
X2
X1
VDD1
VDD2
GND1
GND2
24.576 MHz
MODE
24.576 MHz/ 28.224MHz
2 kHz
/PD(1)
Pin #
1
2
3
4
5
6
7
8
9
10
11
12
Type
I(PU)
O
I
P
P
P
P
O
I(PU)
O
O
I(PU)
18.432MHz/6.000MHz
13
O
GND3
14
P
GND4
15
P
VDD3
16
P
VDD4
17
P
27 MHz
18,19
O
GND5
20
P
Legend: I = Input
O = Output
P = Power supply connection
I(PU) = Input with a 250k ohm pull up
Description
Select 24.576 MHz or 28.224 MHz output
Crystal connection. Connect to a 27 MHz crystal
Crystal connection. Connect to a 27 MHz crystal
Connect to 3.3V
Connect to VDD
Connect to ground
Connect to ground
Clock output, 24.576 MHz
Mode control. See Table 2
Clock output, 24.576 MHz or 28.224 MHz
Clock output, 2 kHz
Powerdown control. When LOW, all clocks are disabled except
2kHz standby clock
Clock output, 18.432 MHz or 6.000 MHz
Connect to ground
Connect to ground
Connect to VDD
Connect to VDD
27 MHz buffered clock outputs
Connect to ground
Note (1). All disabled clock outputs are tristated (high impedance).
2001-07-25
Page 2
MDST-0013-00
www.vaishali.com
Vaishali Semiconductor 747 Camden Avenue, Suite C Campbell CA 95008 Ph. 408.377.6060 Fax 408.377.6063
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