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REB-4315 Operational Manual
REB-4315 Operational Manual
Version 0.2
2010/09/23
This document contains information highly confidential to RoyalTek Company LTD
(RoyalTek). It is provided for the sole purpose of the business discussions between customer
and RoyalTek and is covered under the terms of the applicable Non-Disclosure Agreements.
Disclosure of this information to other parties is prohibited without the written consent of
RoyalTek.
Prepared by RoyalTek Company L
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REB-4315 Operational Manual Content 1. Introduction...........................................................................................................2 1.1 Product Applications.....................................................................................2 2. Product Pictures...................................................................................................3 3. REB-4315 Block Diagram..........................................................................
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REB-4315 Operational Manual 1 Introduction RoyalTek REB-4315 is the newest generation of RoyalTek GPS module. The module is powered by latest SiRF Star IV chip and RoyalTek proprietary navigation technology that provides you with stable and accurate navigation data. SiRF Star IV is the high sensitivity navigation engine tracks as low as -163dBm. The smallest form factor and miniature design is the best choice to be embedded in a device such as portable navigation device, personal locato
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REB-4315 Operational Manual 2 Product Pictures Pin 1 3 REB-4315 Block Diagram System block diagram description: a. External antenna. b. 16 Mega bits flash memory c. 22 pin I/O pins RoyalTek Confidential 3
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REB-4315 Operational Manual 4 REB-4315 Technical Specification Impedance：50 Ω No Function Specification GPS receiver SiRF Star IV, GSD4e 1 Chipset 2 Frequency L1 1575.42MHz. 3 Code C.A. Code. 4 Channels 48 track verification channels 5 Sensitivity (Acquisition) It shall show C/No ≧ 40 dB-Hz when external power = -130dBm. 6 Cold start 35 sec (50% -130dBm Fu 0.5 ppm Tu ±2s Pu 30km) 7 Warm start 35 sec (50% -130dBm Fu 0.5 ppm Tu ±2s Pu 30km) 8 Hot start 1 sec (50% -130dBm Fu
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REB-4315 Operational Manual 5 Reference schematic: For example: Note: (1) Ground Planes: These pin(8、18、20、21、22) should be connect to ground. (2) Serial Interface: ( Ⅰ)The TX pin is the serial output data. ( Ⅲ)The RX pin is the serial input data.< UART data receive (RX)> (3) RF_IN: Connecting to the antenna has to be routed on the PCB. The transmission line must to be control impedance from RF_IN pin to the antenna or antenna connector of your choice.
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REB-4315 Operational Manual Input pulse is required to start the system, and switch the operation mode to full-power mode or Hibernate mode. (7) Wakeup： Wakeup output indicate the chip states, when chip is working the output is high level. Wakeup output can control or enable the external regulator.(Ex. To control external antenna power) (8) Boot Set this pin to high for programming flash. Normal operation mode it is set to low voltage. 6 Power Design Consideration
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REB-4315 Operational Manual 7 Recommend layout PAD: Dimension：13mm*15mm*2.2mm(Tolerance：±0.2mm) TOP View Recommend paste mask pad Recommend paste mask pad is shift outside the layout pad 0.2mm (See under figure) Black Block is layout PAD、Blue Block(Gray region is paste mask pad recommend) RoyalTek Confidential 7
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REB-4315 Operational Manual TOP View 8 Mechanical diagram RoyalTek Confidential 8
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REB-4315 Operational Manual 9 Interface document Top View Pin defined: Pin Input/ Name Description Characteristics No. Output 1 NC Non connect 2 NC Non connect Vol Max：0.4v TM Time mark output. 3 PPS Output Voh Min：1.35v Output pulse timing. (CMOS I/O run from 1.8v) Vol Max：0.4v Voh Min：1.35v 4 TX Output UART data transmit. (CMOS I/O run from 1.8v) Vil ：-0.4v~0.45v 5 RX Input UART data receive. Vih ：1.26v~3.6v (CMOS I/O run from 1.8v) 6 GPIO-3 Reserved Reserved
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REB-4315 Operational Manual External reset input with Vil ：-0.4v~0.45v 9 nRESET Input internal pull-up, active Vih ：1.26v~1.8v low. (CMOS I/O run from 1.8v) Vil ：-0.4v~0.45v Power control pin. Vih ：1.26v~3.6v 10 ON/OFF Input Need a pulse to ON or OFF the Chip set. (CMOS I/O run from 1.8v) 11 NC Non connect Single voltage supply of 12 VCC_IN_1V8 Input Max. 1.89v 1.8v. 13 DR_I2C_DIO Reserved Reserved. 14 DR_I2C_SCK Reserved Reserved. 15 GPIO-2 Reserved Reserved. Vil ：
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REB-4315 Operational Manual RX(CMOS I/O run from 1.8v) UART data receive (RX) TX (CMOS I/O run from 1.8v) UART data transmit (TX) RF_IN This pin receives GPS analog signal. The line on the PCB between the antenna(or antenna connector) has to be a controlled impedance line (Microstrip at 50Ω). ON_OFF (CMOS I/O run from 1.8v) Input pulse is required to start the system, and switch the operation mode to full-power mode or Hibernate mode. Wakeup(CMOS I/O run from 1.8v) Wakeup output
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REB-4315 Operational Manual 10. Software Interface NMEA Protocol NMEA Output Messages: the Engine board outputs the following messages as shown in Table 1: Table 1 NMEA-0183 Output Messages NMEA Record Description GGA Global positioning system fixed data GSA GNSS DOP and active satellites GSV GNSS satellites in view RMC Recommended minimum specific GNSS data GLL Geographic position – latitude/longitude VTG Course over ground and ground speed GGA-Global Positioning System Fixed
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REB-4315 Operational Manual Diff. Ref. Station ID 0000 Checksum *18 ＜CR＞＜LF＞ End of message termination Table 3 Position Fix Indicators Value Description 0 Fix not available or invalid 1 GPS SPS Mode, fix valid 2 Differential GPS, SPS Mode, fix valid 3-5 Not Supported 6 Dead Reckoning Mode, fix valid GSA-GNSS DOP and Active Satellites Table 4 contains the values of the following example: $GPGSA, A, 3, 07, 02, 26, 27, 09, 04, 15, , , , , , 1.8,1.0,1.5*33 Table 4 GSA Da
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REB-4315 Operational Manual Table 6 Mode 2 Value Description 1 Fix not available 2 2D 3 3D GSV-GNSS Satellites in View Table 7 contains the values of the following example: $GPGSV, 2, 1, 07, 07, 79, 048, 42, 02, 51, 062, 43, 26, 36, 256, 42, 27, 27, 138, 42*71 $GPGSV, 2, 2, 07, 09, 23, 313, 42, 04, 19, 159, 41, 15, 12, 041, 42*41 Table 7 GSV Data Format Name ExampleUnits Description Message ID $GPGSV GSV protocol header Total Number of 2 Range 1 to 3 1 Messages Messages 1
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REB-4315 Operational Manual $GPRMC, 161229.487, A, 3723.2475, N, 12158.3416, W, 0.13, 309.62, 120598, ,*10 Table 8 RMC Data Format Name Example Units Description Message ID $GPRMC RMC protocol header UTC Time 161229.487 hhmmss.sss Status A A=data valid or V=data not valid Latitude 3723.2475 ddmm.mmmm N/S Indicator N N=north or S=south Longitude 12158.3416 dddmm.mmmm E/W Indicator W E=east or W=west Speed Over Ground 0.13 knots True Course Over 309.62 degrees Ground Date 1
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REB-4315 Operational Manual Table 9 VTG Data Format Name Example Units Description Message ID $GPVTG VTG protocol header Course over rgound 79.65 degrees Measured heading Reference T True Course over ground degrees Measured heading Reference M Magnetic Speed over ground 2.69 Knots Measured speed Units N Knots Speed over ground 5.0 Km/hr Measured speed Units K Kilometer per hour Mode A A-autonomous, D=DGPS, E=DR Checksum *38 End of message termination
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REB-4315 Operational Manual 11. Package Specification and Order Information Shipment Method: Tape and reel SMT type with stamp holes (22 holes) 12 Contact Royaltek Con tact: sales@royaltek.com Headquarter: Address ：4F., No.188, Wen Hwa 2nd Rd., Kuei Shan, Tao Yuan 333, Taiwan TEL: 886-3-3960001 FAX: 886-3-3960065 Web Site: http://www.roy altek.com Web Site Cu stomer Service: http://www.royaltek.com/contact Revision History Title REB-4315 GPS Module Doc Ty
