Rainbow-electronics EB-A802 Manual do Utilizador descarregar pdf (Página 3)

EB-A802-P GPS Engine Board

EverMore Technology, Inc.

2F, No.7, R&D Road 1, Science-Based Industrial Park, Hsinchu, Taiwan, 300, R.O.C. http://www.emt.com.tw

Definition of Pin assignment

Pin# Name Type Description

GPSMODE8 I Antenna detection configuration, keep floating

GPSMODE9 I Antenna detection configuration, keep floating

TxD1 O Serial Port 1, if not used keep floating

RxD1 I Serial Port 1, if not used keep floating

VDDIO I Pad voltage supply, 3.3V typical

VCC I Supply voltage, 3.3V typical

GND I Ground

VDD18OUT O Internal 1.8V regulator output, if not used keep floating

GPSMODE10 I Antenna detection configuration, keep floating

RESET_N I Reset Pin, active low, if not used keep floating

V_BAT I 1.5V~ 3.6V Input for backup RTC&SRAM

NC Not Connected, keep floating

13~15

GND I Ground

RF_IN I GPS signal input

GND I Ground

VCC_RF O Output Voltage RF section

V_ANT I Antenna Bias voltage

AADET_N I Active Antenna Detect (see application circuit)

GPSMODE3 I Sensitivity mode configuration, keep floating

GPSMODE2 I Sensitivity mode configuration, keep floating

GPSMODE7 I

USB Power Mode configuration, keep floating (Default

is self-powered) (“0” is bus-powered)

VDD_USB I USB Supply, 3.3V typical

USB_DM I/O USB data

USB_DP I/O USB data

EXTINT0 I External Interrupt Pin

TIMEPULSE O Time pulse (1 PPS)

1 2 3 4 5 6 7 8 9

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