LG MG810c Service Manual page 24

E. Serial Interface
Calypso-Plus has UART-IRDA and two UART Modem Drivers.
Resource
TX_IRDA
RX_IRDA
Resource
TX_MODEM1
RX_MODEM1
DSR_MODEM1
Resource
TX_MODEM2
RX_MODEM2
RTS_MODEM2
CTS_MODEM2
UART-IrDA (For Debugging Trace)
Name
TX
RX
UART MODEM1 (For PC-Sync & Download)
Name
TXD
RXD
DSR
UART MODEM2 (for Bluetooth)
Name
TXD
RXD
RTS
CTS
Table 6. UART Interface Spec.
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3. H/W Circuit Description
Description
Transmit Data
Receive Data
Description
Transmit Data
Receive Data
Data Set Ready
Description
Transmit Data
Receive Data
Ready to Send
Clear to Send