National Products LMX9820A - Manual (Page 12)

www.national.com 12 (Confidential) Revision 0.2
LMX9820ADEV
: LMX9820A Simpl
y
Blue Module Kit User’
s
Guide
2.3 SEDONA CODEC DAUGHTERBOARD SUMMARY
The Sedona codec Rev. R1B Daughterboard is populated with a 2 OKI codecs and 2 Motorola codes. Oki codec is the only
supported device. Also, no configuration is needed for board so full details are not provided. Reference the schematic,
BOM, and board for more details. Table 2-24 lists the primary devices on the board
2.3.1 P3 Connector to Texas Board
P3 is a 8-pin connector to connect to the Texas board
codec interface.
2.3.2 Speaker Jack
Connect to headset or speaker.
Figure 2-5. Speaker Jack
2.3.3 Microphone Jack
Connect to microphone.
Figure 2-6. Microphone Jack
Table 2-24. Sedona Codec Daughterboard Device Summary
Device # Name
U1, U2 Oki codec MSM7717
U3, U4 Motorola codec MC145483
Table 2-25. Connector and Header Summary
Connector/Header # Name Details
P3 Connector to Texas Board Table 2-26 on page 12
Speaker Jack Connector for speaker or headset Figure 2-5 on page 12
Microphone Jack Connector for microphone Figure 2-6 on page 12
Table 2-26. P3 Pin Assignments
Pin # Signal Name Description
1 SCK AAI Clock
2 GND Ground
3 SFS AAI Frame Synchronization
4 VCC VCC
5 STD AAI Transmit Data output
6 SFS1 Not used since only single chan-
nel used
7 SRD AAI Receive Data input
8 GND Ground