EGS5 Hardware Interface Description
2.2 EGS5 System Overview
23
EGS5_HD_v02.004
Page 22 of 123
2012-02-09
Confidential / Released
2.2
EGS5 System Overview
Figure 1:
EGS5
system overview
User Application
Module
Application Interface
Headphones
or Headset
Audio
Codec
Charger
Charging
circuit
UART
SIM ca
rd
Antenna
Interface
I
2
C
SPI
USB
DAC
ADC
Slave
USB
Host
ASC0
(Modem)
ASC1
SIM
Digital
Audio
Charge
Power
Supply
I
2
C
Slave
SPI
9 x
GPIO
Analog
Audio
1x
GPIO
Pulse
Counter