LG GCC-4520B Service Manual page 40

15 PWMOUT
197 DVDD33
16 DVDD25
21 DVSS
Panel (2)
22 EJECT#
23 PLAY#
UP (37)
68 FLASH_CS#
57 FLASH_WE#
47 UALE
66 UPSEN#
46-43 UA[7:4]
42, 41, UA[3:0]
39, 38
30 UP3_7/URD#
29 UP3_6/UWR#
28 UP3_3/UNIT1#
26 UP3_2/UNIT0#
Analog Output General PWM output.
Power (3.3V) Digital power in analog block.
Power (2.5V) Digital power in analog block.
Ground Digital power in analog block.
3.3V LVTTL I/O, Eject/stop key input, active low.
SMT Alternate function : Internal monitored signal output.
4mA driving,
75K pull-up
3.3V LVTTL I/O, Play/pause key input, active low.
SMT Alternate function : Internal monitored signal output.
4mA driving,
75K pull-up
3.3V LVTTL I/O, Flash memory chip select signal output, low active.
4mA driving Alternate function : For MT1618 test mode only. (Input)
3.3V LVTTL I/O, Flash memory write enable signal output, low active.
4mA driving Alternate function : For MT1618 test mode only. (Input)
3.3V LVTTL I/O, Address latch enable output during internal µP mode, active high.
Slew rate, SMT, And as address latch enable input during ICE mode.
4mA driving,
75K pull-up
3.3V LVTTL I/O, Programmable store enable output during internal µP mode,
Slew rate, SMT, active low UPSEN# enables the external ROM output port.
4mA driving, And as input during ICE mode.
75K pull-up
3.3V LVTTL I/O Lower address bus for external device.
Slew rate,
Alternate function : Internal monitored signal output.
2mA, 4mA,
6mA, 8mA PDR,
Defult : 8mA
75K pull-up
3.3V LVTTL I/O, Lower address bus output for external device.
Slew rate,
Alternate function : Internal monitored signal output.
2mA, 4mA,
6mA, 8mA PDR,
Default : 8mA
75K pull-up
3.3V LVTTL I/O, Programmable bi-directional I/O.
Slew rate, SMT,
Alternate function : RD#. Data read signal.
4mA driving,
75K pull-up
3.3V LVTTL I/O, Programmable bi-directional I/O.
Slew rate, SMT,
Alternate function : WR#. Data write signal.
4mA driving,
75K pull-up
3.3V LVTTL I/O, Programmable bi-directional I/O.
Slew rate, SMT,
Alternate function : INT1#. External interrupt 1.
4mA driving,
75K pull-up
3.3V LVTTL I/O, Programmable bi-directional I/O.
Slew rate, SMT,
Alternate function : INT0#. External interrupt 0.
4mA driving,
75K pull-up
Input mode is for MT1618 test only.
Input mode is for MT1618 test only.
Internal monitored signal output.
Internal monitored signal output.
High speed serial output port. (data)
Internal monitored signal output.
High speed serial output port. (clock)
Internal monitored signal output.
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