RN42 Datasheet, PDF (5/26 Pages) Microchip Technology – Class 2 Bluetooth® Module with EDR Support

Figure 1-2 and Figure 1-3 show the modules’
dimensions.
FIGURE 1-2:
RN42 MODULE
DIMENSIONS
Top View
25.8
Side View
25.8
20.5
19.7
16.0
14.8
0.80mm
13.6
12.4
11.2
10.0
8.8
7.6
6.4
5.2
4.0
2.8
0.7
0.0
0.0
Dimensions are in millimeters
Tolerances:
PCB Outline: +/- 0.13 mm
PCB Thickness: +/- 0.1 mm
FIGURE 1-3:
RN42N MODULE
DIMENSIONS
Top View
Side View
20.5
19.7
20.5
16.0
14.8
0.80mm
13.6
12.4
11.2
10.0
8.8
7.6
6.4
5.2
4.0
2.8
0.7
0.0
0.0
Dimensions are in millimeters
Tolerances:
PCB Outline: +/- 0.13 mm
PCB Thickness: +/- 0.1 mm
RN42/RN42N
Figure 1-4 and Figure 1-5 show the pinout and
Table 1-6 describes the module’s pins.
FIGURE 1-4:
RN42 PIN DIAGRAM
GND
SPI_MOSI
GPIO6
GPIO7
RESET
SPI_CLOCK
PCM_CLK
PCM_SYNC
PCM_IN
PCM_OUT
VDD
GND
1
24
2
RN42
23
3
Top View
22
4
21
5
20
6
19
7
18
8
17
9
16
10
15
11
14
12
13
35 29 34 33 32 31 28 30
SPI_MISO
SPI_CSB
GPIO4
GPIO5
GPIO3
GPIO2
USB_D-
USB_D+
UART_CTS
UART_RTS
UART_TX
UART_RX
FIGURE 1-5:
RN42N PIN DIAGRAM
GND
SPI_MOSI
GPIO6
GPIO7
RESET
SPI_CLOCK
PCM_CLK
PCM_SYNC
PCM_IN
PCM_OUT
VDD
GND
27 26 25
1
24
2
RN42N
23
3
Top View
22
4
21
5
20
6
19
7
18
8
17
9
16
10
15
11
14
12
13
35 29 34 33 32 31 28 30
SPI_MISO
SPI_CSB
GPIO4
GPIO5
GPIO3
GPIO2
USB_D-
USB_D+
UART_CTS
UART_RTS
UART_TX
UART_RX
 2015 Microchip Technology Inc.
DS50002328A-page 5