CMK4202-2 Cirrus Logic Inc, CMK4202-2 Datasheet - Page 15

• 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

DS549RD1B1
R54 = 1K forces
motherboard codec(s)
to be held in RESET
PRIM_DN#
ASDIN
DO NOT use this circuit for motherboard designs. This circuit is strictly for CNR cards.
For motherboard designs:
connect ASDIN to ASDIN0 if primary codec,
connect ASDIN to ASDIN1 if secondary codec.
Replace R54 with 100K for automatic demotion
when used with primary motherboard codec(s).
R54
1K
Figure 9. Auto Demotion and Serial Buffers
U7
TC7SZ125FU
U8
TC7SZ126FU
2
2
4
4
+3.3VD
+3.3VD
DGND
DGND
C70
0.1uF
X7R
C71
0.1uF
X7R
ASDIN1
ASDIN0
CRD4202-2
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