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LZT 123 7589 R1A
13. INTRODUCTION TO THE DEVELOPER'S KIT
Figure 13.2, Figure 13.3 and Figure 13.4 show how various signals are
routed on the developer's board. Thicker lines indicate multiple signals.
3V6
VIO
On/Off &
PSU Control
GPIO
X1
LED
DAC / ADC 1 - 5
2
I
C
TX_ON
SIM
VRTC
Figure 13.2 Miscellaneous signals, connection and routing
ATMS
AFMS
MICN, MICP, BEARN, BEARP
X1
BUZZER
PCM
Figure 13.3 Audio signals, connection and routing
X3
X2
SIM
On/Off
Status LED
2
I
C
GPIO
SIM
Header
MIC
3.5mm socket
EAR
3.5mm socket
Handset
RJ9 connector
Buzzer
PCM
6 pin header
69
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