Rainbow-electronics ATR0630 Uživatelský manuál

Features•16-channel GPS Correlator – 8192 Search Bins with GPS Acquisition Accelerator– Accuracy: 2.5m CEP (2D, Stand Alone)– Time to First Fix: 34s (

104920A–GPS–01/06ATR0630 [Preliminary] Boot SectionC6 BOOT_MODE DIGITAL IN - Leave open, internal pull downReset A7 NRESET DIGITAL IN Low Reset i

114920A–GPS–01/06 ATR0630 [Preliminary] Active Antenna SupervisionC8 NANTSHORT DIGITAL IN Low Active antenna short detection InputG5, G6 NAADET0/NAA

124920A–GPS–01/06ATR0630 [Preliminary] 3.3 Setting GPSMODE0 to GPSMODE12The start-up configuration of this ROM-based system without external non-vol

134920A–GPS–01/06 ATR0630 [Preliminary] 3.3.2 Sensitivity Settings3.4 Serial I/O ConfigurationThe ATR0630 features a two-stage I/O-message and protoc

144920A–GPS–01/06ATR0630 [Preliminary] The following message settings are used in the tables below:The following settings apply if GPSMODE configura

154920A–GPS–01/06 ATR0630 [Preliminary] 3.4.1 USB Power ModeFor correct response to the USB host queries, the device has to know its power mode. This

164920A–GPS–01/06ATR0630 [Preliminary] The Antenna Supervisor Software will be configured as follows:1. Enable Control Signal2. Enable Short Circuit

174920A–GPS–01/06 ATR0630 [Preliminary] 3.4.3 External Connections for a Working GPS SystemFigure 3-2. Example of an External Connection (ATR0630) AT

184920A–GPS–01/06ATR0630 [Preliminary] Table 3-15. Recommended Pin Connections Pin Name Recommended External CircuitP0/NANTSHORTInternal pull-down r

194920A–GPS–01/06 ATR0630 [Preliminary] 3.5 Connecting an Optional Serial EEPROMThe ATR0630 offers the possibility of connecting an external serial E

24920A–GPS–01/06ATR0630 [Preliminary] 1. DescriptionThe ATR0630 is a low-power, single-chip GPS receiver, especially designed to meet the requiremen

204920A–GPS–01/06ATR0630 [Preliminary] 4. Power SupplyThe ATR0630 is supplied with six distinct supply voltages:• The power supplies for the RF part

214920A–GPS–01/06 ATR0630 [Preliminary] Figure 4-1. Connecting Example: Separate Power Supplies for RF and Digital Part Using the Internal LDOs The A

224920A–GPS–01/06ATR0630 [Preliminary] The RTC section will be initialized properly if VDD18 is supplied first to the ATR0630. If VBAT is applied fi

234920A–GPS–01/06 ATR0630 [Preliminary] Figure 4-3. Connecting Example: Separate Power Supplies for RF and Digital Part Using 1.8V from Host System A

244920A–GPS–01/06ATR0630 [Preliminary] Figure 4-4. Connecting Example: Power Supply from USB Using the Internal LDOs ATR0630 internalVDDUSB1.5V to 3

254920A–GPS–01/06 ATR0630 [Preliminary] 5. CrystalsThe ATR0630 only needs a GPS crystal (XTAL), but supports also TCXOs. The reference fre-quency is

264920A–GPS–01/06ATR0630 [Preliminary] Figure 5-3. Equivalent Application Examples Using a GPS TCXO (See Table 5-3 on page 27) Figure 5-4. Applicati

274920A–GPS–01/06 ATR0630 [Preliminary] Note: All other parameters as specified in Table 5-1.Table 5-1. Specification of GPS Crystals Appropriate for

284920A–GPS–01/06ATR0630 [Preliminary] 5.2 RTC OscillatorFigure 5-5. Crystal Connection XT_INXT_OUTRTCATR0630 internal32 kHzCrystalOscillator32.768

294920A–GPS–01/06 ATR0630 [Preliminary] 7. HandlingThe ATR0630 is an ESD-sensitive device. The current ESD values are to be defined. Observe proper p

34920A–GPS–01/06 ATR0630 [Preliminary] 2. Architectural Overview2.1 Block DiagramFigure 2-1. ATR0630 Block Diagram NSLEEPNSHDNXT_INTMSTCKTDOTDINTRSTD

304920A–GPS–01/06ATR0630 [Preliminary] 8. Operating RangeParameters Pins Symbol Min Typ Max UnitAnalog supply voltage RF VCC1, VCC2, VBP VCC2.70 3.3

314920A–GPS–01/06 ATR0630 [Preliminary] 2.4 AGC cut-off frequency Cext = open A4 f3dB_AGC250 kHz2.5 AGC cut-off frequency Cext = 100 pF A4 f3dB_AGC33

324920A–GPS–01/06ATR0630 [Preliminary] 7.5Low-level input voltage VDDIO domainVDDIO = 1.65V to 3.6V VIL,IO–0.3 +0.41 V7.6High-level input voltage V

334920A–GPS–01/06 ATR0630 [Preliminary] 7.24Input pull-down resistors DBG_EN, NTRST, RF_ON–40°C to +85°C E8, H11 RPD718kΩ7.25Input pull-down resistor

344920A–GPS–01/06ATR0630 [Preliminary] 12. Package Information 11. Ordering InformationExtended Type Number Package MPQ RemarksATR0630-7KQY BGA96 20

Printed on recycled paper.4920A–GPS–01/06© Atmel Corporation 2006. All rights reserved. Atmel®, logo and combinations thereof, Everywhere You Are® an

44920A–GPS–01/06ATR0630 [Preliminary] 2.2 General DescriptionThe ATR0630 has been designed especially for mobile applications. It provides high isol

54920A–GPS–01/06 ATR0630 [Preliminary] 2.7 VGA/AGCThe on-chip automatic gain control (AGC) stage sets the gain of the VGA in order to optimally load

64920A–GPS–01/06ATR0630 [Preliminary] 3. Pin Configuration3.1 PinoutFigure 3-1. Pinning BGA96 (Top View) Table 3-1. ATR0630 Pinout Pin Name BGA 96

74920A–GPS–01/06 ATR0630 [Preliminary] GNDA B4 SupplyGNDA D2 SupplyGNDA E1 SupplyGNDA E2 SupplyGNDA E3 SupplyGNDA F1 SupplyGNDA F2 SupplyGNDA F3 Supp

84920A–GPS–01/06ATR0630 [Preliminary] P20 G7 Digital I/O Configurable (PD) TIMEPULSE SCK2 SCK2P21 E6 Digital I/O Configurable (PU) TXD2 TXD2P22 D10

94920A–GPS–01/06 ATR0630 [Preliminary] 3.2 Signal DescriptionVDD_USB(3)A10 SupplyVDD18 H9 SupplyVDD18 G11 SupplyVDD18 F12 SupplyVDD18 B9 SupplyVDD18