CMK4202-2 Cirrus Logic Inc, CMK4202-2 Datasheet - Page 14

• Manufacturer Part Number: CMK4202-2
• Description: Audio Modules & Development Tools Ref Bd AC'97 w/Headphone Amp
• Manufacturer: Cirrus Logic Inc

Specifications of CMK4202-2

• Product: Audio Modules
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

14
Test Clock Only
1
+3.3VD
DGND
Y2
14.318 MHz
3
R51
2.2K
C68
.022 uF
DGND
C69
220 pF
PLL (Phase Locked Loop)
Figure 8. Phase Locked Loop
R52
NO POP
DGND
R53
0
1)
2)
3)
4)
For PLL operation:
Populate R54 = 1K (Disable MB audio)
DO NOT populate: Y1, C14, C15, and R55
Apply external oscillator to XTAL_IN (pin 2)
(CRD4202-2 will use 14.318 MHz test oscillator ECS-8FA3)
Populate R51, R52, R53, C68, and C69 according to
the desired input clock rate:
Clock rate (MHz)
14.31818
24.576
27
48
R51
2.2K
NO POP NO POP NO POP NO POP NO POP
2.2K
2.2K
R52
NO POP 0 ohm
0 ohm
0 ohm
R53
0 ohm
NO POP 0.022uF 220pF
C68
0.022uF 220pF
0.022uF 220pF
C69
CRD4202-2
DS549RD1B1