RN42 Ver la hoja de datos (PDF) - Microchip Technology
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RN42 Datasheet PDF : 26 Pages
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RN42/RN42N
2.10 Application Schematic
Figure 2-7 shows an example application circuit. This schematic is for the RN-42-EK development tool. For details on
how to connect RN42/RN42N to a microcontroller, see Section 1.1 “MCU Interface”.
FIGURE 2-7:
EXAMPLE APPLICATION CIRCUIT
M1
SPI _MOSI
PI O6
PI O7
RESET _N
SPI _SCK
PCM_CL K
PCM_SYNC
PCM_I N
PCM_OUT
3.3V
1 GND
2 SPI _MOSI
3 PI O6
4 PI O7
5 RESET
6 SPI _SCK
7 PCM_CL K
8 PCM_SYNC
9 PCM_I N
10 PCM_OUT
11 VDD
12 GND
RN42 Module
SPI _MI SO 24
SPI _CS# 23
PI O4 22
PI O5 21
PI O3 20
PI O2 19
USB_D- 18
USB_D+ 17
UART_CTS 16
UART_RTS 15
UART_TX 14
UART_RX 13
SPI _MI SO
SPI _SS
PI O4
PI O5
PI O3
PI O2
CT S
RT S
TX D
RX D
PI O5
3.3V
D1 Green LED
R2
470
Connection Status
PI O8
D2 Red LED
R3
470
Activity
3.3V
C2
1uF
U1
5 VOUT
4 BYP
TC1185
VI N 1
SHDN 3
SHDN R1
3k3
VBUS
C1
1uF
HEADER 1
1
2
3
4
5
6
7
8
9
10
11
12
J1
PI O6
PI O7
RESET _N
VB2
SHDN
3.3V
R18
300k
R15
300k
R17
100k
R16
100k
PI O4
PI O3
PI O2
CT S
RT S
TX D
RX D
PI O11
PI O10
PI O9
PI O8
VB1
HEADER 2
1
2
3
4
5
6
7
8
9
10
11
12
J2
3.3V
R10
R9
R8
R7
3k3 1
3k3 2
3k3 3
3k3 4
S1
RXD R12 3k3
TXD R13 3k3
CTS R11 3k3
RTS R14 3k3
PI O4
PI O3
PI O6
PI O7
J3
1
2
3
4
5
6
SPI MASTER
SPI _MI SO
SPI _MOSI
SPI _SCK
SPI _SS
3.3V
VBUS
C4
100nF
30
2
32
8
31
6
7
3
TXD
RXD
RTS
CTS
DTR
DSR
DCD
RI
22
21
10
11
9
CBUS0
CBUS1
CBUS2
CBUS3
CBUS4
C6
100nF
C5
100nF
U3
FT232RQ
USBDM 15
USBDP 14
VBUS
D_N
D_P
RESET 18
J4
1
2
3
VBUS
D-
D+
MTAB 6
5 GND
USB Mini B
OSCI 27
OSCO 28
2015 Microchip Technology Inc.
DS50002328A-page 11
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