(No.RA017)1-292 R_SET0 O Radio setting signal 03 R_SET1 O Radio setting signal 14 R_SET2 O Radio setting signal 25 ME - MIC ground6 MIC O MIC signal output7 AFO- I AF signal input minus8 AFO+ I AF signal input plus9 /PSW O Detection signal input of powerswitch10 /PTT O PTT output11 TXD I Serial data input12 RXD O Serial data output13 GND - Ground14 DM/KVL I/O MIC data detection15 33M I 3.3V input16 GND - Ground17 USB_D+ I/O USB0 PHY data plus18 USB_D- I/O USB0 PHY data minus19 GND - Ground20 I2CDT I/O I2C serial data21 I2CCK I I2C serial clock22 /KEYINT O Key state change signal23 PRST I LCD driver reset signal24 /RD_LCD I LCD driver Read signal25 /WR_LCD I LCD driver Write signal26 DC I LCD driver data/command switchsignal27 /CS_LCD I LCD driver chip-serect signal28 D[0] I/O LCD driver data input29 D[1] I/O LCD driver data input30 D[2] I/O LCD driver data input31 D[3] I/O LCD driver data input32 D[4] I/O LCD driver data input33 D[5] I/O LCD driver data input34 D[6] I/O LCD driver data input35 D[7] I/O LCD driver data input36 D[8] I/O LCD driver data input37 D[9] I/O LCD driver data input38 D[10] I/O LCD driver data input39 D[11] I/O LCD driver data input40 D[12] I/O LCD driver data input41 D[13] I/O LCD driver data input42 D[14] I/O LCD driver data input43 D[15] I/O LCD driver data input44 18M I 1.8V input45 GND - Ground46 GND - GroundPin No. Name I/O Function47 54M I 5.4V input48 GND - Ground49 NC - No connection50 NC (IGN) - No connection (Ignition sense in-put)J1 (MIC jack)1 DM/KVL_3 I/O MIC data detection2 HOOK/RXD/D-2 I/O Hook detection / Serial data input/ USB PHY data minus3 MIC_3 I MIC signal input4 ME_3 - MIC ground5 PTT/TXD_3 I/O PTT input / Serial data output6 GND - Ground7 SB_2 O Switched power supply8 BLC_4/D+2 I/O Back light control signal / USBPHY data plusPin No. Name I/O Function
