User`s guide

Intel
®
StrongARM
®
SA-1110 Microprocessor Development Board User’s Guide 4-33
Hardware Considerations
A second UDA1341 and a standard AC97 codec are also implemented on the SA-1111
Development Module.
4.13 Radio Interface
The SA1110 Development Board includes interface support for the two world wide digital radio
network standards, CDMA and GSM. In addition, interfaces to Bluetooth systems are possible with
this general purpose radio interface.
Figure 4-5. Audio Mixing Diagram
A7265-01
POTS IN
ADC
DAC
POTS OUT
UCB1300
POTS codec
UCB SPKR
OUT
0/6
dB
VOUT R
UGB MIC
ADC
DAC
0/6
dB
spk
Radio
Spkr
Back
mic
UCB
Spkr
Mini
Spkr
VinL1
ADC
0/6
dB
DACAUD AMP
VOUT L
Mini
Spkr
MCP
SPI
Intel
®
StrongARM
®*
SA-1110
* StrongARM is the registered trademark of ARM Limited.
Digital Loopback
M
+
VinL2
ADC
0/6
dB
M
VinR1
ADC
0/6
dB
DACAUD AMP
VOUT R
To Radio Mic
UCB Mic
M
+
VinR2
ADC
0/6
dB
M
Back mic
headset jack