Specifications

51
LC-20D30U
Pin No. Maker's pin name I/O Pin name Function
1 P96/ANEX1/Sout4 I AD_INT Signal change interrupt detection
2 P95/ANEX0/CLK4 O OFL_DUTY Backlight dimmer duty ratio output
3 P94/DA1/TB4in I PC-H PC signal HS frequency detection
4 P93/DA0/TB3in O
5 P92/TB2in/Sout3 I PC-V PC signal VS frequency detection
6 P91/TB1in/Sin3 I CSYNC Composite sync signal
7 P90/TB0in/CLK3 I IREM Remote control signal
8 BYTE I BYTE Connected to GND
9 CNVss I CNVss Connected to GND (connected to Vcc1 because of CNVSS at flash write)
10 P87/Xcin I Xcin 32-kHz crystal oscillator (for clock count)
11 P86/Xcout O Xcout 32-kHz crystal oscillator (for clock count)
12 RESET I RESET Microprocessor reset when at "L"
13 Xout O Xout System clock output
14 Vss I Vss GND
15 Xin I Xin System clock input
16 Vcc1 I Vcc1 VDD (+3.3V)
17 P85/NMI I NMI (Connected to Vcc1 because of NMI at flash write)
18 P84/INT2 O
19 P83/INT1 I PSWin Main power monitoring
20 P82/INT0 I VSYNC VSYNC signal input
21 P81/TA4in O
22 P80/TA4out O AC_Ctrl AC adaptor power consumption control
23 P77/TA3in O AD_RESET MST3000 series reset output (Reset at H, Normal at L)
24 P76/TA3out I SSW S terminal connected, S terminal selected at "L"
25 P75/TA2in I/O SCL1 Serial clock line 1 (other) in 2-line I2C bus status
26 P74/TA2out I/O SDA1 Serial data line 1 in 2-line I2C bus status
27 P73/CTS2_/RTS2_/TA1in I/O SDA2 Serial data line 2 in 2-line I2C bus status
28 P72/CLK2/TA1out I/O SCL2 Serial clock line 2 (EEPROM) in 2-line I2C bus status
29 P71/RxD2/SCL2/TA0in/TB5in O
30 P70/TxD2/SDA2/TA0out O
31 P67/TxD1/SDA1 I/O TxD Adjustment process UART device connected (TxD at flash write)
32 P66/RxD1/SCL1 I/O RxD Adjustment process UART device connected (RxD at flash write)
33 P65/CLK1 O SCLK (Clock input at flash write)
34 P64/CTS1/RTS1/CTS0/CLKS1 O BUSY (BUSY signal output at flash write)
35 P63/TxD0/SDA0 O MPWEL Data signal input (MPWEL) for 4-wire DVP serial line
36 P62/RxD0/SCL0 I MPOE Data signal output (MPOE) for 4-wire DVP serial line
37 P61/CLK0 O MPWEH Clock (MPWEH) for 4-wire DVP serial line
38 P60/CTS0/RTS0 O
39 P57/RDY/CLKout O MAINSW LED power control
40 P56/ALE O
41 P55/HOLD I POWin(EPM) DC/DC startup detection (connected to Vss because of EPM at flash write)
42 P54/HLDA O
43 P53/BCLK O S IN/OUT Audio input/output switching
44 P52/RD I DVP15_IN DVP1.5V power detection
45 P51/WRH/BHE O RLED Red power LED control
46 P50/WRL/WR I MRDY(CE) I2C bus open/closed switching detection (connected to Vcc2 because of CE at flash write)
47 P47/CS3 O GLED Green power LED control
48 P46/CS2 O
49 P45/CS1 O DVP33_CTRL DVP3.3V power control
50 P44/CS0 O WPCONT HDMI EDID write protect control
1-2. Pin Functions