RN-21-U Roving Networks Inc, RN-21-U Datasheet - Page 28

• Manufacturer Part Number: RN-21-U
• Description: MODULE BLUETOOTH 2.0/EDR CLASS1
• Manufacturer: Roving Networks Inc

Specifications of RN-21-U

• Frequency: 2.4GHz Center
• Data Rate - Maximum: 921kBaud
• Modulation Or Protocol: FHSS
• Applications: Bluetooth v2.0
• Power - Output: 16dBm
• Sensitivity: -86dBm
• Voltage - Supply: 3 V ~ 3.6 V
• Current - Receiving: 60mA
• Current - Transmitting: 100mA
• Data Interface: PCB, Surface Mount
• Memory Size: 8MByte Flash
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Package / Case: Module
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Board PWR
Board GND
RS-232 SERIAL-CN1
SERIAL 3.3V (J1)
PIO-SWITCH-LEDS
6-Pin SPI (J2)
Pin 1 - DCD
Pin 2 - TX
Pin 3 - RX
Pin 4 - DTR
Pin 5 - GND
Pin 6 - DSR
Pin 7 - RTS
Pin 8 - CTS
Pin 9 - RING
PWR
GND
CTS
RTS
TX
RX
PIO#2
PIO#10
PIO#11
PIO#4
PIO#3
PIO#6
PIO#7
PIO#5
PIO#8
MISO
MOSI
SPICK
SPICS
PWR
GND
Signal Name
www.rovingnetworks.com
809 University Avenue
SWITCH-1
SWITCH-2
SWITCH-3
SWITCH-4
Connector
LED-DL1
LED-DL2
LED-DL3
DB9
DB9
DB9
DB9
DB9
DB9
DB9
DB9
DB9
J1-1
J1-2
J1-3
J1-4
J1-5
J1-6
J1-7
J1-8
J1-9
J2-1
J2-2
J2-3
J2-4
J2-5
J2-6
P1
P1
•
Los Gatos, CA 95032
YELLOW
GREEN
PIN #
RED
1
2
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
~ 28 ~
BT Connection (high state)
Pulses for status 0-3.3Vdc
Auto Discover and Pairing
Reserved programming)
•
Reserved programming)
Reserved programming)
Reserved programming)
Auto Connect as Master
RX, TX data low to high
OUT→ *
IN← *
Baudrate (115K - 9600)
Optional 3.3VDC Power
Reset Default Settings
Power IN (5.0 -9.0 Vdc)
PWR →IN (4.5 -11Vdc)
Tel [phone]
Software controlled
Optional 5VDC in
OUT→ 0 - 3.3Vdc
OUT→ 0 - 3.3Vdc
Optional Ground
I/O Direction
GROUND
Not used
Not used
Not used
GPIO
GPIO
<—>
<—>
OUT
IN
IN
IN
(active low)
(active low)
rn-bluetooth-um Version 4.77 1/24/2011
Advanced User Manual
• [e-mail]
RX char low speed mode
PIO2 – BT connect status
Modem control options
must be removed when
PIO10- remote DTR out
PIO11- remote RTS out
NOTE: the RS232 drive
using the serial 3.3v
signals (see below)
DTR output
RTS output
DCD input
DSR input
CTS input