Navman la000508 User Manual

LA000507G © 2006 Navman New Zealand. All rights reserved. Proprietary information and specifications subject to change without notice.

1

PWRIN

P

main power input (3.3 V)

2

GND

P

ground

3

BOOT

I

serial boot (high for serial boot, low or open circuit for 

normal operation)

4

RXA

I

CMOS level asynchronous input for UART A

5

TXA

O

CMOS level asynchronous output for UART A

6

TXB

O

CMOS level asynchronous output for UART B

7

RXB

I

CMOS level asynchronous input for UART B

8*

GPIO3/ 

ADC_CONV/ 

NANT_SC

IO

general purpose IO/ 

output for external A/D converter control/ 

antenna short circuit sensor input (active low)

9

RF_ON

O

output to indicate whether the RF section is enabled 

(active high)

10

GND

P

ground

11

GND

P

ground

12

GND

P

ground

13

GND

P

ground

14

GND

P

ground

15

GND

P

ground

16

GND

P

ground

17 

RF_IN

I

antenna signal input

18

GND

P

ground

19

V_ANT

P

external power supply for active antenna

20

VCC_RF

O

RF Power (+2.8 V) supply output

21

V_BATT

P

backup battery input

22

RESET

I

master reset (active low)

23

GPIO10/GPS_FIX

IO

general purpose IO or GPS fix indication (active low)

24

GPIO6/SDO

IO

general purpose IO or SPI serial data out

25

GPIO5/SDI

IO

general purpose IO or SPI serial data in

26

GPIO7/SCK

IO

general purpose IO or SPI serial clock

27*

GPIO15/ 

ANT_OC

IO

general purpose IO/ 

antenna open circuit sensor input (active high)

28*

GPIO1/ 

ANT_CTRL

IO

general purpose IO/ 

antenna DC power control output (ON=high)

29

GPIO9/1PPS

O

general purpose IO or 1 pulse per second output 

30

GND

P

ground