RN21-I/RM Roving Networks, RN21-I/RM Datasheet - Page 3

• Manufacturer Part Number: RN21-I/RM
• Description: Bluetooth / 802.15.1 Modules Class1 Bluetooth Mod v2.0+EDR, No Antenna
• Manufacturer: Roving Networks

Specifications of RN21-I/RM

• Product Category: Bluetooth / 802.15.1 Modules
• Rohs: yes
• Frequency Band: 2.4 GHz
• Data Rate: 921.6 Kbps
• Operating Supply Voltage: 3.3 VDC
• Interface Type: PCM, UART, USB
• Antenna Connector Type: Chip
• Maximum Operating Temperature: + 85 C
• Dimensions: 21.8 mm x 12.5 mm x 2 mm
• Minimum Operating Temperature: - 40 C
• Modulation Technique: FHSS
• Factory Pack Quantity: 30

Pin Description
Pin
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
1
2
3
4
5
6
7
8
9
809 University Avenue
PCM_SYNC
UART_CTS
UART_RTS
PCM_OUT
SPI_MISO
SPI_MOSI
UART_RX
VCC_3.3V
PCM_CLK
UART_TX
SPI_CSB
SPI_CLK
RF_OUT
PCM_IN
Name
PIO10
PIO11
Reset
USB+
USB-
PIO7
PIO6
PIO5
PIO4
PIO3
PIO2
PIO8
PIO9
GND
GND
GND
GND
GND
AD0
AD1
NC
NC
NC
NC
RF pad keep all traces and planes clear.
Optional Analog input channel
Optional Analog input channel
Input to RN21
Programming only
Programming only
Programming only
Programming only
UART input, if set HIGH, disables transmitter
UART Transmit output
UART output, goes HIGH to disable host transmitter
UART Receive Input
Input
PCM interface
PCM interface
PCM interface
PCM interface
USB port
USB port
IO (HIGH= force 9600 baud), low = 115K baud
IO (HIGH=AUTO MASTER)
Status: toggles based on state, LOW on connect
To set Factory defaults start HIGH, then toggle 3x
Auto discovery = HIGH
IO (remote DTR signal) NOTE on 4.24 firmware
PIO2 and PIO10 are switched
Antenna ground
To external antenna
Antenna ground
IO (RF data/config LED option)
IO
High when connected, Low otherwise
IO ( remote RTS signal )
•
Los Gatos, CA 95032
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
Description
RN21
RN21
38 3 7 3 6 35
38 3 7 3 6 35
•
Tel [phone]
34
34
33
33
32
32
31
31
30
30
29
29
28
28
27
27
26
26
25
25
24
24
23
23
22
22
21
21
20
20
19
19
18
18
Antenna
Antenna
Antenna
• [e-mail]
DS-RN21-V2 3/25/2010
Not used
Not used
Active HIGH
No Connect
No Connect
No Connect
No Connect
Low level input to RN21
High level output from RN21
Low level output from RN21
Input to RN21 with pullup
No Connect
No Connect
No Connect
No Connect
Pull up 1.5K when active
Input to RN21 with weak pulldown
Input to RN21with weak pulldown
Output from RN21
Input to RN21 with weak pulldown
Input to RN21 with weak pulldown
Output from RN21
Output from RN21
Output from RN21
Input to RN21 with weak pulldown
Input to RN21 with weak pulldown
Input to RN21 with weak pulldown
Default