Sim Interface; Uart Interface - LG U8120 Service Manual

3. TECHNICAL BRIEF

3.1.5 SIM Interface

SIMDAT0, SIMCLK0, SIMRST0 ports are used to communicate DBB(MARITA) with ABB(VINCENNE)
and filter.
SIMDAT0
SIMCLK0
SIMRST0
MARITA MARITA
SIMDAT0
SIMCLK0
SIMRST0

3.1.6 UART Interface

UART signals are connected to MARITA GPIO through IO connector
Resource Name
GPIO10 UARTRX0
GPIO11 UARTTX0
GPIO14 UARTRX1
GPIO15 UARTTX1
GPIO16 UARTRTS1
GPIO17 UARTCTS1
SIM (Interface between DBB and ABB)
SIM card bidirectional data line
SIM card reference clock
SIM card async/sync reset
Table. SIM Interface
VDIG
VINCENNE VINCENNE
10K
SDAT
SCLK
SR ST
Figure. SIM Interface
UART0
UART1
Table. UART Interface
- 28 -
SIMVCC
15K
SIMDAT
SIMCLK
SIM RST
Note
Transmit Data
Receive Data
Transmit Data (UART1)
Receive Data (UART1)
Request To Send
Clear To Send
VDD
DAT
CLK
CARD
RST