(No.RA015)1-232.6 TERMINAL FUNCTION2.6.1 TX-RX unit (XC1-0341-8X, XC1-0370-1X)Pin No. Name I/O FunctionCN41 +B O Power output after passing through thefuse2 SB1 I Switched B input3 NC - No connection4 NC - No connection5 VOL I Volume level input6 50A O 5.0V output7 ENC0 I Rotary switch input8 GND - GND9 ENC1 I Rotary switch input10 GND - GND11 ENC2 I Rotary switch input12 ENC3 I Rotary switch input13 CNTSW I Lever switch input14 GND - GND15 GND - GND16 ME - MIC GND17 GND - GND18 INTM_S I Internal MIC (SUB)19 INTM_M I Internal MIC (MAIN)20 ME - MIC GNDCN81 /Side0 I Side 0 input2 GND - GND3 /Side2 I Side 2 input4 /Side1 I Side 1 input5 /PTT I PTT input6 NC - No connectionCN91 LEDK3 I LCD backlight (Cathode)2 LEDK2 I LCD backlight (Cathode)3 LEDK1 I LCD backlight (Cathode)4 LEDA O LCD backlight (Anode)5 VSSA - GND6 VSSA - GND7 VCC O 3.0V output8 VCC O 3.0V output9 DC O Data/Command control signal10 /CS O LCD CS signal11 /RESET O LCD reset signal12 /RD O LCD read signal13 /WR O LCD write siganl14 IM0 O System interface select15 BD15 I/O LCD Data Bus 1516 BD14 I/O LCD Data Bus 1417 BD13 I/O LCD Data Bus 1318 BD12 I/O LCD Data Bus 1219 BD11 I/O LCD Data Bus 1120 BD10 I/O LCD Data Bus 1021 BD9 I/O LCD Data Bus 922 BD8 I/O LCD Data Bus 823 BD7 I/O LCD Data Bus 724 BD6 I/O LCD Data Bus 625 BD5 I/O LCD Data Bus 526 BD4 I/O LCD Data Bus 427 BD3 I/O LCD Data Bus 328 BD2 I/O LCD Data Bus 229 BD1 I/O LCD Data Bus 130 BD0 I/O LCD Data Bus 031 CABC I Backlight control signal32 IOVCC O 1.8V output33 IOVCC O 1.8V output34 VSSD - GND35 VSSD - GNDCN101 GND - GND2 /KEYI0 I Key matrix input3 GND - GND4 /KEYI1 I Key matrix input5 GND - GND6 /KEYI2 I Key matrix input7 KEY_BLC O Key backlight output8 /KEYI3 I Key matrix input9 KEY_BLC O Key backlight output10 /KEYI4 I Key matrix input11 KEYO3 O Key matrix output12 GND - GND13 KEYO2 O Key matrix output14 GND - GND15 KEYO1 O Key matrix output16 GND - GND17 KEYO0 O Key matrix output18 GND - GND19 GND - GND20 GND - GNDCN11 (for production)1~20 - - -CN121 SMIC I External MIC input2 RXD I/O Serial data input/USB DMPin No. Name I/O Function
