Technical data

LZT 123 1834 5
5.9.1 AUXILIARY AUDIO TO MOBILE STATION (AUXI)...................................................51
5.9.2 AUXILIARY AUDIO FROM MOBILE STATION (AUXO).............................................52
5.9.3 MICROPHONE SIGNALS (MICIP, MICIN) ...............................................................52
5.9.4 SPEAKER SIGNALS (EARP, EARN).........................................................................53
5.10 PCM DIGITAL AUDIO (SSP)..................................................................................... 53
5.10.1 PCM DATA FORMAT ..........................................................................................53
5.11 SERIAL DATA INTERFACES.....................................................................................55
5.11.1 UART1 ..............................................................................................................56
5.11.2 SERIAL DATA SIGNALS (DTM1, DFM1)................................................................ 56
5.11.2.1 SERIAL DATA FROM WIRELESS MODEM (DFM1) ............................................... 57
5.11.2.2 SERIAL DATA TO WIRELESS MODEM (DTM1)....................................................57
5.11.3 CONTROL SIGNALS (RTS1, CTS1, DTR1, DSR1, DCD1, RI)...................................57
5.11.3.1 HARDWARE FLOW CONTROL RTS1 AND CTS1.................................................57
5.11.3.2 REQUEST TO SEND (RTS1).............................................................................. 57
5.11.3.3 CLEAR TO SEND (CTS1)..................................................................................58
5.11.3.4 DATA TERMINAL READY (DTR1) ..................................................................... 58
5.11.3.5 DATA SET READY (DSR1) ...............................................................................58
5.11.3.6 DATA CARRIER DETECT (DCD1) ..................................................................... 58
5.11.3.7 RING INDICATOR (RI) .....................................................................................58
5.11.4 UART3 (DTM3, DFM3) ....................................................................................... 59
5.11.4.1 TRANSMITTED DATA (DTM3) .........................................................................59
5.11.4.2 RECEIVED DATA (DFM3)................................................................................. 59
5.11.5 USB................................................................................................................... 60
5.11.6 SIM CARD INTERFACE........................................................................................ 61
5.11.7 SIM DETECTION (SIMDET).................................................................................. 62
5.12 SERVICE/PROGRAMMING ...................................................................................... 62
5.13 BUZZER ................................................................................................................63
5.14 LED ...................................................................................................................... 63
5.15 GENERAL PURPOSE IO ...........................................................................................65
5.15.1 EMBEDDED APPLICATIONS................................................................................. 66
5.15.2 LED/IO6 CAPABILITIES.......................................................................................66
5.15.3 ADC4................................................................................................................66
5.16 DIGITAL TO ANALOGUE CONVERTER – DAC ..........................................................67
5.17 ANALOGUE TO DIGITAL CONVERTERS (ADIN1, ADIN2, ADIN3, ADIN4) ...................67
5.18 I
2
C SERIAL CONTROL BUS .....................................................................................69