Block diagram EL71
BASE FPC
Mainboard
Speaker
Sidekeys
Flash
Memory
FLASH + SDRAM
IF
2 x 256Mbit / 1 x 128Mbit
GPIO
RF
RF-IF
Interface Camera-
Interface
MultiMedia
Card
Keypad
Display-
Display
Interface
ON_OFF
SIM
BACKLIGHT
LIGHT_PWM1 BACKLIGHT
I²S2 I²S
Ear-
ON_OFF
piece
XO
RTC
32kHz
VDD_VIBRA LED
SSC
SSC2
Open /
Slider FPC
Closed
Open /
LED 1
RTC_OUT ON_OFF2
Closed
USB
Vibra
Slider MMI
I²C TWI
Audio
I/O-
Ext
USART0
Connector
(2)
AFE
CHARGE_CNTRL
+ -
LIGHT_PWM2
MOZART
DAI I²S1
KEYPAD-IF
UART
USART1
Keypad
S-GOLD2
Bluetooth
BACKLIGHT
Keypad FPC
Camera
SIM
Flash
Trans-
(1)
I/O-
Connector