-45-Control Port Functions1 R Serial Data output port (Not connected) O2 SCL IIC BUS SCL I3 SDA IIC BUS SDA I/O4 A05 Not used O5 A06 V_COMR O6 A07 V_COMG O7 A08 V_COMB O8 VrefL DAC Lower Reference Voltage input -9 VrefU 1 DAC Upper Reference Voltage input (CH5~CH8) -10 Vss GND -11 VrefU2 DAC Upper Reference Voltage input (CH1~CH 4) -12 A01 SIG1 O13 A02 SIG2 O14 A03 SIG3 O15 A04 SIG4 O16 Vcc Power Supply for Output Buffer (2.4*VrefU ~ 12V) -17 Vdd Power Supply +5V±10 % -18 CS2 Slave address setting port 2 (GND) I19 CS1 Slave address setting port 1 (GND) I20 CS0 Slave address setting port 0 (GND)Pin No. Name Function I/O● IIC Bus DA Converter (IC3551, M62399FP) Port Functions1 R Serial Data output port (Not connected) O2 SCL IIC BUS SCL I3 SDA IIC BUS SDA I/O4 A05 Not used O5 A06 REF_B O6 A07 REF_G O7 A08 REF_R O8 VrefL DAC Lower Reference Voltage input -9 VrefU 1 DAC Upper Reference Voltage input (CH5~CH8) -10 Vss GND -11 VrefU2 DAC Upper Reference Voltage input (CH1~CH 4) -12 A01 B_CENT O13 A02 G_CENT O14 A03 R_CENT O15 A04 Not used O16 Vcc Power Supply for Output Buffer (2.4*VrefU ~ 12V) -17 Vdd Power Supply +5V±10 % -18 CS2 Slave address setting port 2 (GND) I19 CS1 Slave address setting port 1 (GND) I20 CS0 Slave address setting port 0 (GND) IPin No. Name Function I/O● IIC Bus DA Converter (IC3501, M62399FP) Port Functions