NXR-71056Pin No. Name I/O Function7 TXASSIST O Assist voltage outputCN608 (To X58-508 CN351)1 VO I VCO input2 GND - GroundCN609 (To X58-508 CN303)1 FIN O VCO output2 SPSCLK0 O PLL clock output3 /TXPCS O PLL chip select output4 SPSD0 O PLL data output5 33C O 3.3V power supply6 50C O 5V power supply7 LDT I PLL lock detect input8 REF O 16.8MHz reference clock outputCN610 (To X45-392 A/3 CN1)1 TX OUT O TX driver output signal (Coaxial)CN700 (To X53-449 CN301)1 GND - Ground2 +B O Power supply output3 SB O Power supply outputCN701 (To X45-392 A/3 CN203)1 GND - Ground2 +B I Power supply input3 +B I Power supply inputCN800 (To X53-449 CN38)1 NC - No connection2 /EVCS I DA converter chip select signal3 /IOCS O IO expander chip select signal4 SPSD1 I Serial data5 I2CDA I/O Serial data6 SPSCLK1 I Serial clock7 I2CCK I Serial clock8 HWV1 O Hardware version signal9 /EWP I EEPROM write control signal10 33A I 3.3V voltage11 AGC I Auto gain control voltage12 RSSI O RSSI voltage13 GND - Ground14 MOD I Audio signal for TX modulation15 GND - Ground16 SBC I Switched +B control signal17 SPSD0 I Serial data18 SPSCLK0 I Serial clock19 /TXPCS I TX PLL chip select signal20 LDR O RX PLL lock detect signal21 /16_8PCS I Reference clock PLL chip select signal22 LDT O TX PLL lock detect signalPin No. Name I/O Function23 /RXPCS_TR I RX PLL chip select signal24 TXVCOA I TX VCO A control signal25 RXVCOA/B I RX VCO control signal to A or B26 TXVCOB I TX VCO B control signal27 GND - Ground28 GND - Ground29 RX_CV O RX VCO lock voltage30 TX_CV O TX VCO lock voltage31 RXASSIST I RX PLL assist voltage32 TXASSIST I TX PLL assist voltage33 FWD O RF power monitor voltage34 RAMP I RF power control voltage35 TMP2 O Temperature of X45 Final unit36 TMP1 O Temperature of X45 Final unitCN801 (To X45-392 A/3 CN204)1 HWV2 I Hardware version detect2 H/L O Power control3 PLIM O Power limit control4 TMP1 I Temperature of X45 Final unit5 TMP2 I Temperature of X45 Final unit6 FDT I Coupler input voltage7 FAN O FAN control8 ASWC O ANT switch control9 RAMP O RF power control voltage10 8TC O 8V power supply control11 GND - GroundCN802 (To X53-449 CN39)1 IF_SIG O 450kHz IF signal (Coaxial)RX VCO/PLL Unit (X58-5070-10)Pin No. Name I/O FunctionCN303 (To X57-794 CN204)1 FIN I VCO input2 SPSCLK0 I PLL clock input3 /RXPCS_TR I PLL chip select input4 SPSD0 I PLL data input5 33C I 3.3V power supply6 50C I 5V power supply7 LDR O PLL Lock detect output8 REF I 19.2MHz reference clock inputCN350 (To X57-794 CN202)1 GND - Ground2 NC - No connection3 80C_2 I 8V power supply4 RXVCOA/B I VCO select5 RX_CV O Control voltage outputTERMINAL FUNCTION