MK3722 查看數據表（PDF） - Integrated Circuit Systems
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MK3722 Datasheet PDF : 6 Pages
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Pin Assignment
X2
1
X1
2
VDD
3
VDD
4
VIN
5
GND
6
GND
7
PDTS
8
16
S1
15
NC
14
VDD
13
S0
12
27M
11
GND
10
ACLK
9
S2
16 Pin 4.40mm body, 0.65mm pitch TSSOP
MK3722
VCXO PLUS AUDIO CLOCK FOR STB
Audio Clock Select Table
S2 S1 S0
000
001
010
011
100
101
110
111
ACLK (MHz)
8.192
11.2896
12.288
16.9344
18.432
16.384
22.5792
24.576
Pin Descriptions
Pin
Number
Pin
Name
1
X2
2
X1
3
VDD
4
VDD
5
VIN
6
GND
7
GND
8
PDTS
9
S2
10
ACLK
11
GND
12
27M
13
S0
14
VDD
15
NC
16
S1
Pin
Type
Pin Description
Output Crystal connection. Connect to a 27MHz fundamental mode
pullable crystal.
Input Crystal connection. Connect to a 27MHz fundamental mode
pullable crystal.
Power Connect to +3.3 V.
Power Connect to +3.3 V.
Input Voltage input to VCXO. Zero to 3.3V signal which controls the
VCXO frequency.
Power Connect to ground.
Power Connect to ground.
Power Power Down Tri-state. This pin powers down entire chip and
tri-states the outputs when low. Internal pull-up.
Input Select input S2. Selects ACLK per table above. Internal pull-up.
Output Audio clock output per table above.
Power Connect to ground.
Output 27MHz reference clock output.
Input Select input S0. Selects ACLK per table above. Internal pull-up.
Power Connect to +3.3V.
-- No connect. Do not connect anything to this pin.
Input Select input S1. Selects ACLK per table above. Internal pull-up.
MDS 3722 B
2
Revision 092502
Integrated Circuit Systems q 525 Race Street, San Jose, CA 95126 q tel (408) 295-9800 q www.icst.com
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