User guide

RN Commands Version 4.25, 11/1/2007 Page 24 of 25
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Appendix A FireFly Evaluation Board Physical Ports
Signal Name CONNECTOR PIN # IO DIR
Board PWR P1 1 Power IN (5.0 -8.0 Vdc)
Board GND P1 2 <—>
RS-232 SERIAL-CN1
Modem control options
Pin 1 - DCD DB9 Not used PIO2 – BT connect status
Pin 2 - TX DB9 2 OUT
Pin 3 - RX DB9 3 IN
Pin 4 - DTR DB9 4 Not used PIO10- remote DTR out
Pin 5 - GND DB9 5 <—>
Pin 6 - DSR DB9 6 Not used PIO11- remote RTS out
Pin 7 - RTS DB9 7 OUT? * (active low)
Pin 8 - CTS DB9 8 IN? * (active low)
Pin 9 - RING DB9 9 Pwr ?IN (4.5 -11Vdc)
SERIAL 3.3V (J1)
PWR J3-1
1
Optional 5VDC in
GND J3-2 2 GROUND
CTS J3-3 3 IN
RTS J3-4 4 OUT? 0 - 3.3Vdc
TX J3-5 5 OUT? 0 - 3.3Vdc
RX J3-6 6 IN
PIO#2 J3-7 7 BT Connection (high state)
PIO#10 J3-8 8 GPIO DTR output
PIO#11 J3-9 9 GPIO RTS output
PIO-SWITCH-LEDS
PIO#4 SWITCH-1 1 Reset Default Settings
PIO#3 SWITCH-2 2 Auto Discover and Pairing DCD input
PIO#6 SWITCH-3 3 Auto Connect as Master DSR input
PIO#7 SWITCH-4 4 Def Baud Rt (115K - 9600) CTS input
PIO#5 LED-DL1 GREEN Pulses for status 0-3.3Vdc
LED-DL2 YELLOW RX, TX data low to high
PIO#8 LED-DL3 RED Software controlled RX char low speed mode
6-Pin SPI (J2)
MISO J2-1 Reserved programming)
MOSI J2-2 Reserved programming)
SPICK J2-3 Reserved programming)
SPICS J2-4 Reserved programming)
PWR J2-5 Optional 3.3VDC Power
GND J2-6 Optional Ground