LG LAC-M1600, Service Manual

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PIN NAME Function
P62/EXSCL0 I/O port (N-ch open drain)
External clock input for serial interface (IIC0)
P63 I/O port (N-ch open drain)
P64-P67 I/O ports
P70-P77 I/O ports
/KR0-KR7 Key interrupt input
P120 I/O port
/INTP0 External interrupt request input with specifiable vaild edges
/EXLVI Reference voltsge input for low voltage indicator
P121 I/O port (An external oscillation circuit is not used)
/X1 Connecting resonator for main system clock oscillation
P122 I/O port (An external oscillation circuit is not used)
/X2 Connecting resonator for main system clock oscillation
/EXCLK External clock input for main system clock
P123 I/O port (An external oscillation circuit is not used)
XT1 connecting resonator for subsystem clock oscillation
P123 I/O port (An external oscillation circuit is not used)
XT1 Connecting resonator for subsystem clock oscillation
P124 I/O port (An external oscillation circuit is not used)
/XT2 Connecting resonator for subsystem clock oscillation
/EXCLKS External clock input for subsystem clock
P130 Output port
P140 I/O port
/PCL Clock output
/INTP6 External interrupt request input with specifiable vaild edge
P141 I/O port
/PCL Clock output
/INTP7 External interrupt requwst input with specifiable vaild edge
/BUSY0 Busy signal input for serial interface (AUTOCSI)
P142 I/O port
/SCKA0 Clock input/output for serial interface (AUTOCSI)
P143 I/O port
/SIA0 Serial data input to serial interface
P144 I/O port
/SOA0 Serial data output from serial interface (AUTOCSI)
P145 I/O port
/STB0 Strobe signal input to serial interface (AUTOCSI)