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| Antenna Embedded GPS Receiver Module GXB5210 Description The GXB5210 is a 12-channel GPS (Global Positioning System) receiver module. This small module includes all the functions required for GPS and a passive antenna and is ideal for use in various types of portable applications as well as automotive system. Features Implementation of Sony CXD2951 single chip GPS 12-channel GPS receiver capable of simultaneously receiving 12 satellites All-in-view measurement Tracking sensitivity : -150dBm (typ.) Acquisition sensitivity : -136dBm (typ.) Time to first fix (time until initial measurement after power-on) (Typ., Open sky) Cold start (without ephemeris and almanac) : 50s Warm start (without ephemeris with almanac) : 35s Hot start (with ephemeris and almanac) : 3s Positioning accuracy (Open air with -130dBm, PDOP 2.0) Stand alone (GPS unit only) 2DRMS: < 3m Communication method Supports NMEA-0183 version 3.01 WAAS/EGNOS compatible 1PPS output Current consumption : Acquisition (typ.): 74mA : Tracking (typ.): 45mA Module size (typ.) : 35 (W) x 34.5 (D) x 7.95 (H) [mm] Datum : WGS-84 Follow-up performance : Velocity : 500km/h or less Acceleration : 1G or less Antenna element : NTK Interface connector : FMN (side-entry, 1mm pitch), flat cable Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits. -1- E06602-PS GXB5210 Block Diagram CXD2951 TCXO CPU BPF Down Converter LNA SAW LNA LNA TCXO Baseband Unit 1.023MHz LPF RF/IF Unit 1 bit Freq. Synthesizer CMOS Radio Block Acquisition Block Tracking Block ARM7TDMI Host I/O Control Signal JTAG, GPIO, etc. CXO 32.768kHz CPU Multiplier/ Divider RTC Time Counter RAM/ ROM Computation & Control Block CPU, Counter, DLL, D.MF, S/P TCXO 18.414MHz 10-pin Connector Voltage, I/O Interface 1.8V Regulator Supervisory Circuit Battery Backup Sony provides all necessary components for GPS location estimations with the GXB5210 module. The only other requirements are voltage and RS232 receiving capability to capture the position outputs. The module is small and compact to fit into most applications. For the best results, the module should be placed with the antenna faced towards open sky to capture as much visible satellites as possible. -2- GXB5210 Pin Description Pin No. 1 2 3 4 5 6 7 8 9 10 Symbol TXD0 RXD0 1PPS BR1 BR0 RESET DGND VDD BATT AGND I/O O I O I I I Description UART(CH0) transmission data UART(CH0) reception data 1PPS output Baud rate setting 1 Baud rate setting 0 Hardware reset (Low active) Digital GND Power supply 3.4V Battery backup 2.8V Analog GND Operating Conditions Item Supply voltage Supply voltage ripple Backup battery voltage Input pin voltage Supply current: Acquisition Standby current Operating temperature Reception frequency, L1 CA code (25C) Supply current: Tracking (25C) Symbol VDD VCC Vbat VIN ICC ICC Istdby Topr FIN -40 2.6 -0.3 74 45 10 +25 1575.42 120 +85 2.8 Min. 3.1 Typ. 3.4 Max. 3.7 50 3.0 5.5 Unit V mVp-p V V mA mA A C MHz Operating Instructions 1. 2. 3. 4. 5. 6. Install 10-pin receiving connector with the pin-out connection above. Place the GXB5210 with the antenna faced towards open sky. Apply 3.4V supply voltage to the module. Install GPS View or NMEA-0183 GPS monitoring software. Open serial port on application to receive messages from the GXB5210. Wait for required TTFF to acquire a position fix. -3- GXB5210 Baud Rate Setting Baud rate 4800 9600 19200 38400 BR1 Open (L) Open (L) H H BR0 H Open (L) Open (L) H Electrical Characteristics Absolute Maximum Ratings Item Supply voltage Input voltage Output voltage Operating temperature Storage temperature Symbol VDD VI VO Topr Tstg Min. -0.5 -0.5 -0.5 -40 -40 Max. 3.7 5.5 VDD + 0.5 +85 +105 Unit V V V C C DC Characteristics (Ta = -40 to +85C) Item Supply voltage Supply voltage ripple Input voltage Output voltage H level L level H level L level Symbol VDD BATT VDD VIH VIL VOH VOL VDD (3.3V) BATT IOH = -8mA IOL = 2mA Acquisition Tracking Vbatt = 2.8V 74 45 10 120 2.0 -0.3 2.4 0.4 Condition Min. 3.1 2.6 Typ. 3.4 2.8 Max. 3.7 3.0 50 5.5 0.8 Unit V V mVp-p V V V V mA A 8 9 8 2, 3, 4, 5, 6 1 8 9 Pins Current consumption -4- GXB5210 AC Characteristics (Ta = 25C) Item C/N output value TCXO frequency Message latency RF gain Noise figure Output signal rise time Output signal fall time *1 Symbol CN Ftcxo Tl Grf NF Ttlh Tthl Internal Condition -130dBm input, tracking *1 Min. Typ. 41 18.414 Max. Unit dB MHz 1.0 125 10 Zload = 5k, 20pF Zload = 5k, 20pF 25 30 55 60 s dB dB ns ns Using SONY evaluation software "GPS View" Timing of Output Signal Pin 1 (TXD0) 20pF 5k Ttlh 10% 10% 90% 90% t+6 -5- GXB5210 UART Interface Interface: Baud rate: Start bit: Data bit: Stop bit: Parity bit: Flow control: Data output cycle: 1 Asynchronous serial interface (UART) 4800bps/9600bps/19200bps/38400bps 1 bit 8 bits 1 bit None Xon/Xoff Approximately 1 second (default) t+6 D0 D1 D2 t+6 t+6 t+6 t+6 t+6 t+6 0 t+6 t+5 t+6 t+5 t+6 t+5 NMEA-0183 Format The GXB5210 can output 8 different types of sentence: GPGGA, GPGLL, GPGSA, GPGSV, GPRMC, GPVTG, GPZDA and PSGSA. If 9600bps or 19200bps or 38400bps baud rate is set for port setting, it outputs 7 types of sentence: GPGGA, GPGSA, GPGSV, GPRMC, GPVTG, GPZDA, PSGSA as default. Moreover, if 4800bps baud rate is set, it outputs 4 types of sentences: GPGGA, GPGSA, GPGSV, GPRMC as default. -6- GXB5210 Initialization The GXB5210 has a reset pin (Pin 6) and normally this pin should be left open. The GXB5210 can perform the power-on reset operation only by turning on or off the power supply pin (Pin 8). In addition, when configuring the component in order to realize the reset from the system side during operation, connect the reset pin to the external circuit. The following setting enables the reset. 1. When turning the power on (Power-on reset) VDD VDD (Pin 8) VDD [V] 100ms or more VDD/2 RST (Pin 6) GND When applying the power supply to the power supply pin (Pin 8), set the reset pin (Pin 6) Low in advance, and set it High 100ms after power-on. 2. Initialization during operation VDD (Pin 8) VDD RST (Pin 6) VDD [V] 100s or more VDD/2 GND When performing the reset while the reset pin (Pin 6) is High, keep it Low for 100s or more before setting High. NMEA Message Output Timing NMEA messages are output within 1s after the 1PPS pulse. -7- GXB5210 t+1 t+2 t+3 t+4 t+5 t+6 T 1PPS t+1 t+2 t+3 t+4 t+5 t+6 NMEA -8- GXB5210 1PPS Output The 1PPS output provides a timing pulse synchronized to GPS time once a valid fix is available. The figure below shows the behavior of the 1PPS output signal after reset. For a period of 160s after reset, the 1PPS signal outputs the system clock. The actual 1PPS signal is activated at 500ms after reset. Reset 1+ ECLKOUT (1PPS) 500ms 1PPS signal output occurs 500ms after reset Expansion Reset 1+ 160s ECLKOUT (1PPS) CPU clock exists for 160s after reset Expansion Reset 1+ ECLKOUT (1PPS) 145ns (6.90MHz) -9- GXB5210 Backup Mode The backup mode is established by setting all inputs Low except for B.U. (Vbat: 2.6 to 3.0V). In this mode, the low power consumption can be achieved by stopping all oscillators except for RTC oscillator. Although all registers are initialized, the SRAM for both of Ephemeris data and Almanac data in backup area are held. Command Specifications The GXB5210 modules have a command format, NMEA-0183 version 3.01. A list of the supported UART interface is as follows. For detailed descriptions, see the CXD2951 Communication Command Specification document. - 10 - GXB5210 Label Printing The following label containing these items is put on a module after inspections. (The details of printing contents are specified separately.) GXB5210 Rev SONY MKM - JAPAN 1 2 3 4 5 6 Product name Manufacturing history: Version of software Manufacturer Country of origin Manufacturing company (MKM) = year, = month, = day 7 Code number: 8-753-243-55 - 11 - Package Outline (Unit: mm) Shield cap Antenna 1 .8 Ho le 13.5 23.6 3.3 (5.1) Connector 0.5 10FMN-SMT-A-TF 2.69 1.9 7.93 2.69 7.93 9.8 (13) 9.25 33.15 35 21.5 ( 7 Ma x.) 16.75 4.62 4.62 0.95 4.62 2.45 1 (0.8) 1.7 2 7.95 +0.25 -1 4.62 0.85 32.45 Shield cap A 1 4.55 25.5 2 30.5 34.5 Shield cap solder land (6 points) 33 - 12 23.6 Shield cap Solder point (4 points) PWB GXB5210 GXB5210 Tray (Unit: mm) 460 Partition board B 2.5 Partition board A 2.5 6.5 Common partition board Note) 1.Bond Partition boards A and B, and the common partition board with adhesive. 2.Be careful of the direction on bonding. 3.This part should not contain any substances which are specified in SS-00259-1. - 13 - 377 C 20 Sony Corporation |
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