RN41SM-I/RM Roving Networks, RN41SM-I/RM Datasheet - Page 4

• Manufacturer Part Number: RN41SM-I/RM
• Description: Bluetooth / 802.15.1 Modules Class 1 Bluetooth Socket Mod v2.0+EDR
• Manufacturer: Roving Networks

Specifications of RN41SM-I/RM

• Product Category: Bluetooth / 802.15.1 Modules
• Rohs: yes
• Class: 1
• Frequency Band: 2.4 GHz
• Sensitivity: - 80 dBm
• Data Rate: 3 Mbps
• Operating Supply Voltage: 3.3 V
• Output Power: 16 dBm
• Interface Type: RS-232, UART
• Antenna Connector Type: Chip
• Maximum Operating Temperature: + 85 C
• Dimensions: 40.8 mm x 28 mm x 8.6 mm
• Minimum Operating Temperature: - 40 C
• Modulation Technique: FHSS, GFSK

Figure 2 shows the pinout and Table 6 describes the pins.
Figure 2. RN-41/RN-41-N Pinout
SPI_CLOCK
Table 6. Pin Description
www.rovingnetworks.com
PCM_SYNC
SPI_MOSI
PCM_OUT
PCM_CLK
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
PCM_IN
RESET
GPIO6
GPIO7
Pin
GND
GND
VDD
GND
SPI_MOSI
GPIO6
GPIO7
RESET
SPI_CLK
PCM_CLK
PCM_SYNC
PCM_IN
PCM_OUT
VDD
GND
UART_RX
UART_TX
UART_RTS
UART_CTS
35 29 34 33 32 31 28 30
1
2
3
4
5
6
7
8
9
10
11
12
Name
Top View
RN-41
Ground
Programming only
Set Bluetooth master (high = auto-master mode)
Set baud rate (high = force 9,600, low = 115 K
or firmware setting)
Active-low reset
Programming only
PCM interface
PCM interface
PCM interface
PCM interface
3.3-V regulated power input
Ground
UART receive input
UART transmit output
UART RTS, goes high to disable host transmitter
UART CTS, if set high, it disables transmitter
24
23
22
21
20
19
18
17
16
15
14
13
SPI_MISO
SPI_CSB
GPIO4
GPIO5
GPIO3
GPIO2
USB_D-
USB_D+
UART_CTS
UART_RTS
UART_TX
UART_RX
Description
Version 3.3r 4/9/2012
SPI_CLOCK
PCM_SYNC
SPI_MOSI
PCM_OUT
PCM_CLK
PCM_IN
RESET
GPIO6
GPIO7
GND
GND
VDD
35 29 34 33 32 31 28 30
1
2
3
4
5
6
7
8
9
10
11
12
–
No connect
Input to RN-41with weak pulldown
Input to RN-41 with weak pulldown
Input to RN-41 with 1K pullup
No Connect
No Connect
No Connect
No Connect
No Connect
–
–
Input to RN-41
High level output from RN-41
Low level output from RN-41
Low level input to RN-41
Top View
RN-41-N
Default
24
23
22
21
20
19
18
17
16
15
14
13
RN -41 -DS
SPI_MISO
SPI_CSB
GPIO4
GPIO5
GPIO3
GPIO2
USB_D-
USB_D+
UART_CTS
UART_RTS
UART_TX
UART_RX
4