mk2705 Integrated Device Technology, mk2705 Datasheet - Page 2

• Manufacturer Part Number: mk2705
• Description: Audio Clock Source
• Manufacturer: Integrated Device Technology

Pin Assignment
Pin Descriptions
IDT™ / ICS™ AUDIO CLOCK SOURCE
Number
MK2705
AUDIO CLOCK SOURCE
Pin
1
2
3
4
5
6
7
8
X 1 / R E F I N
X1/REFIN
Name
G N D
VDDO
V D D
GND
VDD
CLK
Pin
S0
S1
X2
S 0
1
2
3
4
Output
Power
Power
Power
Type
Input
Input
Input
Input
Pin
8-pin SOIC
Connect this pin to a 27 MHz crystal or clock input
Power supply for crystal oscillator and PLL.
Output frequency selection. Determines output frequency per table above. On-chip pull-up.
Connect to ground.
Clock output.
Output frequency selection. Determines output frequency per table above. On-chip pull-up.
Power supply for output stage.
Connect this pin to a 27 MHz crystal. Leave open if using a clock input.
8
7
6
5
X 2
V D D O
S 1
C L K
2
Output Clock Selection Table
Pin Description
S1
0
0
1
1
S0
0
1
0
1
Frequency
(MHz)
Input
27
27
27
27
Frequency
11.2896
Output
12.288
24.576
(MHz)
8.192
CLOCK SYNTHESIZER
MK2705
REV C 102103