Uart Interface - LG T5100 Service Manual

SIM_CLK : SIM Card reference clock
SIM_RST : SIM Card async/sync reset
SIM_IO : SIM Card bi-directional data line
F. UART Interface
T5100 two UART Drivers as follow :
- UART1 : Hardware Flow Control / Fax&Data Modem
- UART2 : S/W Debugger & IrDA Modem
UART MODEM(UART1)
Resource Name
TX_MODEM TXD
RX_MODEM RXD
CTS_MODEM CTS
RTS_MODEM RTS
GPIO 3 DSR
UART IRDA(UART2)
TXIR_IRDA TXIR_IRDA
TX_IRDA TX
RXIR_IRDA RXIR_IRDA
RX_IRDA RX
SD_IRDA SD_IRDA
Figure 12. SIM Interface
Table 4. UART Interface Spec.
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2. TECHNICAL BRIEF
Remark
Transmit Data
Receive Data
Clear To Send
Request To Send
Data Set Ready
Infra-Red Transmit Pulse
Transmit Data(UART2)
Infra-Red Receive Pulse
Receive Data (UART2)
IrDA transceiver Shut Down Mode