Datasheet RN41XV, RN42XV (Microchip) - 6

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RN4142XV-DS TABLE 2-8: PIN DESCRIPTION (PART 2 OF 2) Pin Optional Signal Name Description Direction Number Function
16 CTS UART CTS flow control, 3.3 V tolerant. To module 17 GPIO3 GPIO, 24 mA drive, 3.3 V tolerant/ADC input. I/O 18 GPIO7 GPIO, 24 mA drive, 3.3 V tolerant/ADC input. I/O 19 AIO0 20 AIO1
3.0 TYPICAL APPLICATION
RN-XV-EK evaluation kit is shown as a reference. The
SCHEMATIC
RN-XV-EK evaluation board provides a 2 x 10 (2-mm) socket for both the RN41XV and RN41XV modules. The design offers USB/serial connection to the on- Figure 3-12 shows a typical application schematic. board UART, a reset switch (pin 5), and switch to con- Because the RN41XV and RN42XV are functionally trol GPIO4 (pin 8). compatible, this diagram applies to both modules. The
FIGURE 3-1: APPLICATION SCHEMATIC, Note 1
C5 Power Net Power Net J4 Power Net i i VBUS Power Net 100nF 4 R10 62R GPI O6 i C6 i C4 3 R12 62R GPI O7 i Power Net 2 R14 62R GPI O8 1 i i 100nF 100nF CONN1X4 Power Net Power Net 19 1 16 VBUS C T IO U2 RXD U 30 C i Powe r Net VC FT232RQ TXD 3O 2 TXD VC CTS 32 RXD 3V J6 RTS 8 RTS USBDM 15 1 31 CTS D_N 2 VBUS 6 DTR D_P 3 D- 7 DSR D+ MTAB 6 USBDP 14 3 DCD 5 VDD3V3 RI GND 1 R2 VDD AIO1 20 AIO1 USB Mini B 10k RESET 18 22 TXD 2 t CBUS0 TXD AIO0 19 AIO0 21 10 CBUS1 RXD 3 CBUS2 OSCI 27 RXD GPIO7 18 GPIO7 TH1 10k 11 CBUS3 R3 9 GPIO10 4 CBUS4 GPI O10 GPIO3 17 GPIO3 D D T 100k D D D N OSCO 28 PA RESET 5 RESET CTS 16 CTS GN GN GN AG TH TES 4 R4 20 17 24 33 26 GPIO6 6 R5 GPIO6 GPIO5 15 GPIO5 100k R6 100k GPIO9 7 GPIO9 NC 14 100k GPIO4 8 R7 GPIO4 GPIO2 13 GPIO2 100k GPIO11 9 GPIO11 RTS 12 RTS VDD3V3 10 GND GPIO8 11 GPIO8 VBUS Power Net i 1 Vin Vout 3 i Powe r Net D b GN Ta M1 C1 2 4 C2 2.2uF 4.7uF U1 1 VDD3V3 AIO1 1 TXD AIO0 S1 i Powe r Net 2 2 RXD GPIO7 RESET 3 3 4 GPIO10 GPIO3 4 RESET_N CTS RESET 5 5 6 GPIO6 GPIO5 6 GPIO9 S2 7 7 8 GPIO4 GPIO2 8 VDD3V3 GPIO4 9 GPIO11 RTS 9 GPIO8 Factory Reset 10 10 J2 J3
Note 1:
The RN-XV-EK evaluation kit is shown as a reference. www.rovingnetworks.com Version 1.0 12/3/12 page 6 Document Outline Features: Applications: 1.0 Description 2.0 Overview FIGURE 2-1: RN41XV & RN42XV Dimensions 3.0 Typical Application Schematic FIGURE 3-1: Application Schematic, Note 1 4.0 Design Concerns 4.1 Powering the Module 4.2 Reset Circuit 4.3 Factory Reset Using GPIO4 4.4 Connection Status 5.0 Compliance Information 6.0 Ordering Information