15TK-8102SEMICONDUCTOR DATAn Terminal functionPin No. Name I/O Function1 NC I2 DTMOSC O DTMF IC Clock Control3 PLLE O PLL IC Chip Select4 EVLLD O E-Volume LD5 DTMCK O DTMF Dec IC Clock6 DTMDT I/O DTMF Dec IC Data7 UL O Unlock Detect8 BSHIFT O Clock Shift9 VDD -10 X2 - X’TAL(7.3728MHz)11 X1 - X’TAL(7.3728MHz)12 VSS - GND13 NC - OPEN14 NC - GND15 RESET - CPU RESET16 INT I uCOM Stop17 DMTSDT I DTMF Dec IC STD18 POWER I Power Key Input19 IGN I Ignition20 TX/RX O TX/RX21 LEDMON O LED for MON Key22 LEDPF O LED for PF Key23 AVDD - +5V24 AVREF - +5V25 QTIN I QT/DQT Input26 SQIN I Squelch Input27 RSSI I RSSI Input28 PWRPRCT I Power Protect29 BATT I Battery Voltage30 TEMP1 I Temperature131 TEMP2 I Temperature232 TEMP3 I Temperature333 AVSS - GND34 DTM/BEEP O DTMF/Beep Output35 QT/DQT O QT/DQT Output36 AVREF - +5V37 FNC1 I/O Function Port138 FNC2 I/O Function Port239 HOOK I Hook40 RXD I From FPU41 TXD O To FPU42 PTT I PTT Key43 FNC3 I/O Function Port344 FNC4 I/O Function Port445 FNC5 I/O Function Port546 FNC6 I/O Function Port647 FNC7 I/O Function Port7Pin No. Name I/O Function48 FNC8 I/O Function Port849 NC I50 MUTE1 O AF Mute51 MUTE2 O Speaker Mute52 MUTE3 O AF AMP SW53 DT O Common Data54 CK O Common Clock55 NC I56 EEPCK O EEPROM Clock57 EEPDT I/O EEPROM Data58 EEPWT O EEP Write Protect59 DST1 I Destination 160 DST2 I Destination 261 DST3 I Destination 3 (Open)62 NC I63 24VDET I 24V Detect64 NC I65 LEDC1 O LED for CH1 Key66 LEDC2 O LED for CH2 Key67 LEDR O TX LED68 LEDG O Busy LED69 MICBL O Mic Back Light70 LEDC3 O LED for CH3 Key71 LEDC4 O LED for CH4 Key72 VSS - GND73 MICMT O Mic1 Mute74 MICEM O Mic2 Mute75 NC I76 8RC O 8R Control77 8TC O 8T Control78 CM I/O Mic Key Check79 NC I80 NC I81 VDD5M - +5V82~85 NC I86 KMI1 I Key Matrix Input187 KMI2 I Key Matrix Input288 KMI3 I Key Matrix Input389 KMI4 I Key Matrix Input490 NC I91 NARROW O Wide / Narrow292 WIDE O Wide / Narrow93 SBC O Battery Switch94 FLASH - Flash Write Port95~98 NC I99 KMO1 O Key Matrix Output1100 KMO2 O Key Matrix Output2Microprocessor : 784214AGCXXX (TX-RX Unit IC6)