Nokia NSB-6 Series, Technical Documentation Manual

Page 1: ...PAMS Technical Documentation NSB 6 Series Transceivers Issue 1 06 2000 E Nokia Mobile Phones Ltd System Module ...

Page 2: ...10 Battery connector 10 SIM card connector 11 RTC backup battery 11 Power Distribution 12 Battery charging 12 Startup Charging 13 Battery Overvoltage Protection 13 Battery Removal During Charging 15 PWM 16 Battery Identification 16 Battery Temperature 17 Supply Voltage Regulators 18 Switched Mode Supply VSIM 20 Power Up and Power Down 20 Power up with a charger 20 Power Up With The Power Switch PW...

Page 3: ...7 Security 37 Baseband Testing 38 Alignments 38 Baseband Startup for Testing 38 RF Module 39 Environmental specifications 39 Main Technical specifications 39 Maximum Ratings 39 RF Characteristics 39 RF Frequency Plan 40 DC characteristics 40 Regulators 40 Control signals typical current consumption in different modes 40 Power Distribution Diagram 41 RF Functional Description 42 Frequency synthesiz...

Page 4: ...r layout 12 A 4 Circuit Diagram of CPU Block Version 12 03 Edit 14 for layout 12 A 5 Circuit Diagram of RF Block Version 12 03 Edit 43 for layout 12 A 6 Circuit Diagram of Audio and RFI Version 12 03 Edit 14 for layout 12 A 7 Circuit Diagram of IR Module Version 12 03 Edit 8 for layout 12 A 8 Circuit Diagram of UI Version 12 03 Edition 12 for layout version 12 A 9 Layout Diagram of UP9 Top Version...

Page 5: ...NSB 6 System Module PAMS Technical Documentation Page 5 Issue 1 06 2000 E Nokia Mobile Phones Ltd This page intentionally left blank ...

Page 6: ...dio quality The transceiver supports a full rate an enhanced full rate and a half rate speech decoding An integrated IR link provides a connection between two NSB 6 trans ceivers or a transceiver and a PC internal data or a transceiver and a printer The small SIM Subscriber Identity Module card is located underneath the back cover of the phone Operation Modes There are five different operation mod...

Page 7: ... Technical Documentation Page 7 Issue 1 06 2000 E Nokia Mobile Phones Ltd Interconnection Diagram Module Radio UP9 LCD SIM Battery Charger Antenna 2 2 Earpiece IR Link 6 4 2 Slide mic 2 14 2 9 Keyboard module 3 module HF HS 4 ...

Page 8: ...P are in standby mode and the normal VCTCXO clock has been switched off The battery charging is controlled by a PWM signal from the CCONT The PWM duty cycle is determined by a charging software and is fed to the CHAPS charging switch Two types of chargers can be connected to the phone Standard chargers two wires provide coarse supply power which is switched by the CHAPS for suitable charging volta...

Page 9: ...n the baseband and the RF section is mainly han dled by a COBBA ASIC COBBA provides A D and D A conversion of the in phase and quadrature receive and transmit signal paths and also A D and D A conversions of received and transmitted audio signals to and from the user interface The COBBA supplies the analog TXC and AFC signals to RF section according to the MAD DSP digital control Data transmission...

Page 10: ...e Prommer 0 2 0 logic low logic high 0 5 2 85 V Transmit Data from Base band to Prommer GND GND 0 0 V Ground The service connector is used as a flash programming interface for up dating i e re programming the flash program memory and an electrical access for services to the engine When the flash prommer is connected to the phone supply power is pro vided through the battery contacts and the phone ...

Page 11: ...3 5 VSIM 5V SIM Card 3V SIM Card 4 8 2 8 5 0 3 0 5 2 3 2 V Supply voltage 6 DATA 5V Vin Vout 3V Vin Vout 4 0 0 2 8 0 1 0 1 0 VSIM 0 5 VSIM 0 5 V SIM data Trise Tfall max 1us 2 SIMRST 5V SIM Card 3V SIM Card 4 0 2 8 1 1 VSIM VSIM V SIM reset 1 SIMCLK Frequency Trise Tfall 3 25 25 MHz ns SIM clock RTC backup battery The RTC block in CCONT needs a power backup to keep the clock run ning when the phon...

Page 12: ...management circuit CHAPS provides protection against over voltages charger failures and pirate chargers etc that would otherwise cause damage to the phone Baseband Charger headset connector CHAPS CCONT COBBA GJP MAD2 MEMORY Battery connector VChar Vbatt RF CHRG_CTRL VB RF supply voltages VCobba Vbb VCORE UI LCD backlights buzzer RTC backup Battery charging The electrical specifications give the id...

Page 13: ...PWM charging that is controlled by the MCU software If the battery voltage reaches 3 55V 3 75V maximum before the program has taken control over the charg ing the startup current is switched off The startup current is switched on again when the battery voltage is sunken 100mV nominal Parameter Symbol Min Typ Max Unit VOUT Start up mode cutoff limit Vstart 3 45 3 55 3 75 V VOUT Start up mode hyster...

Page 14: ... logic LOW or logic HIGH on the CHAPS N101 VLIM input pin VLIM is fixed low in hard ware When the switch in output overvoltage situation has once turned OFF it stays OFF until the the battery voltage falls below VLIM and PWM LOW is detected The switch can be turned on again by setting PWM HIGH PWM 32Hz VOUT VLIM t SWITCH ON OFF VCH t VCH VOUT ON ...

Page 15: ...n state as long as PWM stays HIGH after the output overvoltage situation has occured PWM t VOUT t 4V VLIM 1 0 SWITCH t ON OFF 2 1 1 Battery removed standard charger connected VOUT rises follows charger voltage 2 VOUT exceeds limit VLIM X switch is turned immediately OFF 3 3 VOUT falls because no battery also VCH Vpor standard chargers full rectified output When VCH Vpor and VOUT VLIM X switch turn...

Page 16: ...vel with a CCONT N100 A D converter Name Min Typ Max Unit Notes BSI 0 2 8 V Battery size indication 100k pullup resistor to VBB in phone SIM Card removal detection Treshold is 2 4V VBB 2 8V 68 kohm Indication of a BLB 2 battery 600 mAh Li Ion 22 kohm Indication resistor for a service battery SIMCardDetX MAD BSI CCONT 2 8V TRANSCEIVER Rs BATTERY BSI BGND BTEMP VBATT 10k 10n 100k The battery identif...

Page 17: ... MCU can calculate the battery temperature by reading the BTEMP line DC voltage level with a CCONT N100 A D converter Pin Name Min Typ Max Unit Notes 3 BTEMP 0 1 4 V Battery temperature indication 100k pullup resistor to VREF in phone Battery package has NTC pull down resis tor 47k 5 25C B 4050 3 2 1 5 10 3 20 V ms Phone power up by battery input Power up pulse width 47 kohm Service battery value ...

Page 18: ...C backup is rechargable polyacene battery The battery is charged from the main battery voltage by the CHAPS when the main battery voltage is over 3 2V Operating mode Vref RF REG VCOBBA VBB VSIM SIMIF Power off Off Off Off Off Off Pull down Power on On On Off On On On On Off Reset On Off VR1 On On On Off Pull down Sleep On Off Off On On On Off NOTE COBBA regulator is off in SLEEP mode Its output pi...

Page 19: ...ll tempera ture input voltage and load range 2 7 2 8 2 85 V Output voltage V2V VCORE Programmable Vout 1 3V 225mV n N 0 1 2 3 4 5 6 1 30 2 65 V Output voltage V2V VCORE toler ance 5 5 Line regulation not VBB F v 10kHz 2 VBAT 3 15V 49 DB Line regulation not VBB F v 100kHz 2 VBAT 3 15v 40 DB Line regulation VBB V2V VCORE F v 100kHz 2 30 DB Load regulation T 25_C 0 6 1 mV mA Supply current each regul...

Page 20: ...signal from the power key to the CCONT which starts the pow er up procedure 2 Connecting a charger to the phone The CCONT recognizes the charger from the VCHAR voltage and starts the power up procedure 3 A RTC interrupt If the real time clock is set to alarm and the phone is switched off the RTC generates an interrupt signal when the alarm is gone off The RTC interrupt signal is con nected to the ...

Page 21: ...V CCPURX PURX Vchar 1 2 3 1 Battery voltage over 3 0 Digital voltages to CCONT VBB 2 CCONT digital reset released VCXO turned on 3 62ms delay before PURX released VR1 SLEEPX VR6 Vref When the phone is powered up with an empty battery pack using the standard charger the charger may not supply enough current for stan dard powerup procedure and the powerup must be delayed Power Up With The Power Swit...

Page 22: ...ses the system reset ExtSysResetX and the internal MCUResetX signals and starts the boot program execution from MAD bootrom if MAD GenSDIO pin is pulled low or from external memory if GenSDIO pin is pulled high In normal opera tion the program execution continues from the flash program memory If the MBUS line is pulled low during the power up the bootrom starts a flash programming sequence and wai...

Page 23: ... switched off A battery charging alert is given and or a battery charging indication on the display is shown to acknowledge the user that the battery is being charged Active Mode In the active mode the phone is in normal operation scanning for chan nels listening to a base station transmitting and processing information All the CCONT regulators are operating There are several substates in the acti...

Page 24: ...lled by the charging software running in the MAD The power management circuitry controls the charging current delivered from the charger to the battery Charging is controlled with a PWM input signal generated by the CCONT The PWM pulse width is controlled by the MAD and sent to the CCONT through a serial data bus The battery voltage rise is limited by turning the CHAPS switch off when the battery ...

Page 25: ...synchronization signal to DSP PCMSClk a codec transmit data line PCMTX and a codec receive data line PCMRX The COBBA GJP generates the PCMDClk clock which is supplied to DSP SIO The COBBA GJP also generates the PCMSClk signal to DSP by di viding the PCMDClk The PCMDClk frequency is 512 kHz PCMSClk fre quency is 8 0 kHz LSB LSB PCMDClk PCMSClk PCMTxData PCMRxData MSB MSB 15 14 13 12 0 11 10 sign ex...

Page 26: ...nterrupt control MCUIF Interface to ARM via BUSC Contains MCU Boo tROM DSPIF Interface to DSP MFI Interface to COBBA AD DA Converters CODER Block encoding decoding and A51 A52 ciphering AccIF Accessory Interface SCU Synthesizer Control Unit for controlling 2 separate synthesizer UIF Keyboard interface serial control interface for COBBA PCM Codec LCD Driver and CCONT SIMI SimCard interface with enh...

Page 27: ...mn 4 D3 Col3 I O UIF 2 Input Program mable pullup PR0201 I O line for key board column 3 H11 MCUGenIO1 I O 2 Input pullup Pullup PR0201 General purpose I O port E4 GND Ground D4 Col2 I O UIF 2 Input Program mable pullup PR0201 I O line for key board column 2 C4 Col1 I O UIF 2 Input program mable pullup PR0201 I O line for key board column 1 C3 Col0 I O UIF 2 Input program mable pullup PR0201 I O l...

Page 28: ... LCD driver data L11 JTDO O 2 Tri state JTAG data out L5 GND Ground N12 JTRst I Input pull down pulldown PD0201 JTAG reset M12 JTClk I Input pulldown PD0201 JTAG Clock N13 JTDI I Input pullup pullup PR0201 JTAG data in M13 JTMS I Input pullup pullup PR0201 JTAG mode se lect G13 VCC_IO IO VCC in 3325c10 Power L12 CoEmu0 I O 2 Input pullup pullup PR0201 DSP MCU emulation port 0 L13 CoEmu1 I O 2 Inpu...

Page 29: ...d12 O MCU MEMORY 2 0 MCU address bus K1 MCUAd13 O MCU MEMORY 2 0 MCU address bus J3 MCUAd14 O MCU MEMORY 2 0 MCU address bus J2 MCUAd15 O MCU MEMORY 2 0 MCU address bus J1 MCUAd16 O MCU MEMORY 2 0 MCU address bus M10 VCC_CORE Core VCC in 3325c10 Power H3 MCUAd17 O MCU MEMORY 2 0 MCU address bus H2 MCUAd18 O MCU MEMORY 2 0 MCU address bus G4 MCUAd19 O MCU MEMORY 2 0 MCU address bus G3 MCUAd20 O MCU...

Page 30: ...M9 MCUGenIODa4 I O 2 Input MCU Data in 16 bit mode General purpose I O port L9 MCUGenIODa5 I O 2 Input MCU Data in 16 bit mode General purpose I O port N10 MCUGenIODa6 I O 2 Input MCU Data in 16 bit mode General purpose I O port L10 MCUGenIODa7 I O 2 Input MCU Data in 16 bit mode General purpose I O port M5 MCURdX O MCU MEMORY 2 1 MCU Read strobe G11 VCC_CORE Core VCC in 3325c10 Power N5 MCUWrX O ...

Page 31: ... in 3325c10 Power F11 HookDet I Input Non MBUS ac cessory connec tion detector F10 HeadDet I Input Headset detec tion interrupt D6 AccRxData I Input Accessory RX data Flash_RX D5 GND Ground G10 MCUGenIO4 I O 2 Input pull down pulldown PD1001 General purpose I O port B5 MBUS I O 2 Input exter nal pullup external pullup MBUS Flash clock E11 VCXOPwr O CCONT 2 1 VCXO regulator control D13 SynthPwr O C...

Page 32: ... H10 LEADVCC LEAD Power C13 RxPwr O 2 0 RX regulator control C12 TxPwr O 2 0 TX regulator control H12 TestMode I Input pull down pulldown PD0201 Test mode select H13 ExtSysResetX O 2 0 System Reset B9 PCMTxData O COBBA 2 0 Transmit data DX K7 VCC_IO IO VCC in 3325c10 Power A9 PCMRxData I COBBA Input Receive data RX B8 PCMDClk I COBBA Input Transmit clock CLKX A8 PCMSClk I COBBA Input Transmitframe...

Page 33: ...rive req mA Connected to from Pin Type Pin Name Pin N o A5 DSPGenOut0 O CRFU 2 0 DSP general purpose output A3 FrACtrl O RF 2 0 RF front amplifi er control B3 SynthEna O HAGAR 2 0 Synthesizer data enable B1 SynthClk O HAGAR 2 0 Synthesizer clock B2 SynthData O HAGAR 2 0 Synthesizer data A2 TxPA O HAGAR 2 0 Power amplifier control ...

Page 34: ... resides in the program memory The program memory is 16Mbits 1024k x 16bit Flash memory The flash memory has a power down pin that should be kept low during the power up phase of the flash to ensure that the device is powered up in the correct state read only The power down pin is utilized in the sys tem sleep mode by connecting the ExtSysResetX to the flash power down pin to minimize the flash po...

Page 35: ... prommer is initially high When the baseband has recog nized the flash prommer the TX line is pulled low This acknowledge ment is used to start to toggle MBUS FCLK line three times in order that MAD2 gets initialized This must be happened within 15 ms after TX line is pulled low After that the data transfer of the first two bytes from the flash prommer to the baseband on the RX line must be done w...

Page 36: ...a SRAM D221 Chip Sel FLASH D210 Chip Sel CCONT pin PurX MAD pin FCLK MBUS MAD pin FRX FRxData MAD pin FTX FTxData COBBA GJP COBBA GJP ASIC provides an interface between the baseband and the RF circuitry COBBA performs analogue to digital conversion of the re ceive signal For transmit path COBBA performs digital to analogue con version of the transmit amplifier power control ramp and the in phase a...

Page 37: ...ready contains the power up down functions and a sleep control with the 32kHz sleep clock which is running always when the phone battery is connected This sleep clock is used for a time source to a RTC block RTC backup battery charging CHAPS has a current limited voltage regulator for charging a backup bat tery The regulator derives its power from VOUT so that charging can take place without the n...

Page 38: ...ading from CCONT at 3 6V and stores this reading to EEPROM memory as a reference point Another reference point is created by as suming that when the input voltage is zero A D reading is also zero Now the slope is known and A D readings can be calibrated Calibration is in cluded in VBATT A D reading task Battery charging voltage VCHAR and current ICHAR are calibrated using one test setting Test jig...

Page 39: ...wn locker PA and some surrounding components are covered with metal can The baseband circuitry is lo cated on the same side of the same board Environmental specifications Normal and extreme voltages Lithium ion battery 1 cell Nominal voltage 3 9 V Lower extreme voltage 0 85 x 3 9 3 31 V Higher extreme voltage same as nominal Absolute maximum voltage 4 8 V Software cut off voltage 3 1 V during TX b...

Page 40: ... 8 V regulators All regulators can be controlled individually with 2 8 V logic directly or through control register In GSM direct controls are used to get fast switching because regulators are used to enable RF functions VREF_2 from CCONT IC and RXREF from COBBA IC are used as the reference voltages for HAGAR RF IC VREF_2 1 5V for bias reference and RXREF 1 2V for RX ADC s reference Control signal...

Page 41: ...Power Distribution Diagram VR 3 Vpc SYNPWR VXOENA VBATT VR 1 VR 2 VR 4 VR 5 VR 6 VR 7 VREF BATTERY PA 1 57 A 3 6 V HAGAR RF IC RX TX parts 1 mA PLL VCTCXO 2 mA LNA 6 mA 20 mA HAGAR bias ref COBBA 20 mA analog vsyn_1 vsyn_2 vrx vxo vtx vcp V5V buff RX 53 mA TX 100 mA TXC TXP Hagar VCO 15 mA extreg 4V5 ...

Page 42: ...Description Architecture contains one RF IC dualband PA module VCO module VCTCXO module and discrete LNA stages for both receive bands RX_I RX_Q RXref 1 2V Vref_2 1 5V Serial CTRL BUS RFC AFC TXC TXP TXIP TXIN TXQP TXQN BIAS PLL SHF VCO VCTCXO HAGAR ANT SW PCS EGSM Dual PA EGSM SAW PCS EGSM Bias crtl Low pwr crtl ...

Page 43: ...phase detector Phase detector compares this signal to reference signal 400kHz which is divided with reference divider from VCTCXO output Output of the phase detector is connected into charge pump which charges or discharges integrator capacitor in the loop filter depending on the phase of the measured frequency compared to reference frequency Loop filter filters out the pulses and generates DC con...

Page 44: ...and if g10 is low 0 the gain of the stage is 4dB The active channel filters in HAGAR provides selectivity for channels 3dB 91 kHz typ Integrated base band filter is active RC filter with two off chip capacitors Large RC time constants needed in the channel select filter of direct conversion receiver are produced with large off chip capacitors because the impedance levels could not be increased due...

Page 45: ...nd power ramping up and down Harmonics generated by the nonlinear PA are filtered out with the diplexer inside the antenna switch module Power control circuitry consists of discrete power detector common for EGSM and GSM1900 and error amplifier in HAGAR There is a direc tional coupler connected between PA output and antenna switch It is a dualband type and has input and outputs for both systems Di...

Page 46: ...asured accurately on range 48 110 dBm After 48 dBm level MS reports to base station the same reading Production calibration is done with two RF levels LNA gain step is not calibrated AFC function AFC is used to lock the transceivers clock to frequency of the base sta tion AFC voltage is generated in COBBA with 11 bit DA converter There is a RC filter in AFC control line to reduce the noise from th...

Page 47: ... the signal offset to constant value RXREF 1 2 V Receiver characteristics Item Values Type Direct conversion Linear DualBand FDMA TDMA LO frequencies 3520 3840 MHz 3700 3980 MHz Typical 3 dB bandwidth 91 kHz Sensitivity min 102 102 dBm GSM GSM1900 S N 8 dB Total typical receiver voltage gain from antenna to RX ADC 86 dB Receiver output level RF level 95 dBm 230 mVpp single ended I Q signals to RX ...

Page 48: ... 4 7 k 5 0 063 W 0402 R205 1430762 Chip resistor 2 2 k 5 0 063 W 0402 R206 1430762 Chip resistor 2 2 k 5 0 063 W 0402 R207 1430726 Chip resistor 100 5 0 063 W 0402 R208 1430726 Chip resistor 100 5 0 063 W 0402 R211 1430754 Chip resistor 1 0 k 5 0 063 W 0402 R215 1620023 Res network 0w06 2x47k j 0404 0404 R216 1825021 Chip varistor vwm14v vc46v 0402 0402 R217 1825021 Chip varistor vwm14v vc46v 0402...

Page 49: ...Chip resistor 3 3 k 5 0 063 W 0402 R614 1620113 Res network 0w06 2x120r j 0404 0404 R640 1430742 Chip resistor 390 5 0 063 W 0402 R643 1430770 Chip resistor 4 7 k 5 0 063 W 0402 R645 1430766 Chip resistor 3 9 k 5 0 063 W 0402 R670 1430706 Chip resistor 15 5 0 063 W 0402 R671 1430706 Chip resistor 15 5 0 063 W 0402 R700 1430728 Chip resistor 120 5 0 063 W 0402 R704 1430728 Chip resistor 120 5 0 063...

Page 50: ... u 20 10 V 2 0x1 3x1 2 C133 2320481 Ceramic cap 5R 1 u 10 0603 C140 2320481 Ceramic cap 5R 1 u 10 0603 C142 2611719 Tantalum cap 10 u 20 10 V 2 0x1 35x1 35 C150 2320481 Ceramic cap 5R 1 u 10 0603 C151 2320481 Ceramic cap 5R 1 u 10 0603 C152 2320481 Ceramic cap 5R 1 u 10 0603 C153 2320481 Ceramic cap 5R 1 u 10 0603 C154 2320481 Ceramic cap 5R 1 u 10 0603 C165 2611737 Tantalum cap 68 u 20 16 V 7 3x4...

Page 51: ...C331 2320779 Ceramic cap 100 n 10 16 V 0603 C342 2320560 Ceramic cap 100 p 5 50 V 0402 C400 2320481 Ceramic cap 5R 1 u 10 0603 C401 2320805 Ceramic cap 100 n 10 10 V 0402 C405 2320544 Ceramic cap 22 p 5 50 V 0402 C406 2320805 Ceramic cap 100 n 10 10 V 0402 C510 2320135 Ceramic cap 150 n 10 10 V 0603 C511 2320135 Ceramic cap 150 n 10 10 V 0603 C512 2320135 Ceramic cap 150 n 10 10 V 0603 C513 232013...

Page 52: ...78 Ceramic cap 10 n 10 16 V 0402 C709 2320602 Ceramic cap 4 7 p 0 25 50 V 0402 C711 2320779 Ceramic cap 100 n 10 16 V 0603 C712 2320602 Ceramic cap 4 7 p 0 25 50 V 0402 C713 2320602 Ceramic cap 4 7 p 0 25 50 V 0402 C714 2320779 Ceramic cap 100 n 10 16 V 0603 C715 2320518 Ceramic cap 1 8 p 0 25 50 V 0402 C716 2312215 Ceramic cap 2 2 n 5 50 V 0805 C720 2320556 Ceramic cap 68 p 5 50 V 0402 C721 23205...

Page 53: ... 0 5r 120r 100m 0402 0402 L272 3203709 Ferrite bead 0 5r 120r 100m 0402 0402 L303 3203709 Ferrite bead 0 5r 120r 100m 0402 0402 L304 3203709 Ferrite bead 0 5r 120r 100m 0402 0402 L504 3646063 Chip coil 22 n 5 Q 28 800 MHz 0402 L553 4551015 Dir coupler 897 5 1747 5 1880mhz L600 3646069 Chip coil 33 n 5 Q 23 800 MHz 0402 L601 3646051 Chip coil 3 n Q 28 800M 0402 L602 3646003 Chip coil 2 n Q 30 800M ...

Page 54: ...64535 Led BUSTER V331 4864531 Led 0603 V332 4864531 Led 0603 V333 4864531 Led 0603 V334 4864531 Led 0603 V335 4864531 Led 0603 V336 4864531 Led 0603 V337 4864531 Led 0603 V338 4864531 Led 0603 V339 4864531 Led 0603 V340 4864531 Led 0603 V343 4110089 Diode x 2 BAV70W 70 V 5 A 4 ns SOT323 V360 4110089 Diode x 2 BAV70W 70 V 5 A 4 ns SOT323 V730 4110078 Schdix2 bas70 05w 70v 70ma sot323 SOT323 V800 42...

Page 55: ...50247 Rf9205e4 2 pw amp 900 1900mhz S300 5219015 SM sw push button spst 5v s key S330 5209001 SM sw tact spst 12v 50ma side k KEY X300 5409099 SM slide conn 2pol spr p2 12v0 12V0 1A A001 9510569 RF shield assy dmc02666 M300 9854352 PC board UX7V 4 5x4 5x1 6 d 140 pa 9854375 PC board UP9 94 8x40x1 15 m8 4 pa ...

Page 56: ...NSB 6 System Module PAMS Technical Documentation Page 56 Issue 1 06 2000 E Nokia Mobile Phones Ltd This page intentionally left blank ...