User Manual

Overview
2014 Microchip Technology Inc. DS50002325A-page 17
TABLE 1-3: RN41/42 EVALUATION KIT HARDWARE
GPIO Signal Header 1 (J1) GPIO Signal Header 2 (J2) Programming Header (J3)
Pin Description Pin Description Pin Description
1 GPIO6 13 GPIO4 1 SPI_MISO
2 GPIO7 14 GPIO3 2 SPI_MOSI
3 RESET_N 15 GPIO2 3 SPI_SCK
4 No Connect 16 CTS 4 SPI_SS
5 No Connect 17 RTS 5 3.3 V
6 No Connect 18 TXD 6 GND
7 No Connect 19 RXD
Configuration Switches
8 Sensor Input 1 (AIO1) 20 GPIO11
9 Shutdown (SHDN) 21 GPIO10
Switch Description
10 No Connect 22 GPIO9 1 Restore Factory Defaults
11 3.3 V 23 GPIO8 2 Automatic Discovery
12 GND 24 Sensor Input 0 (AIO0) 3 Automatic Master
4 Default Baud Rate
TABLE 1-2: STATUS LEDS
Mode Green LED (S) Red LED (A)
Fast blink, 10 times per second Command mode
Blinks twice per second Boot up, remotely configurable
Blinks once per second Discoverable/idle Data over the UART
Solid on Connected
Hardware Description RN-41-EK RN-42-EK
Evaluation board Contains the Bluetooth
®
module and connectors For RN41 Module For RN42 Module
Power-Up Interface for powering up the evaluation boards USB USB
LEDs To indicate Status and for Debugging Available Available
Switches Used to access/configure functions in RN41/42
module such as factory default, Connection mode,
and so on
Available Available
10-Pin Sensor
Interface
Analog sensor interface supported provides direct
connections to read the temperature, acceleration,
and analog data
Available Available
Communication
Interface
UART and USB Available Available
USB Connector
On-board
Provides power to the evaluation board and sup-
ports communication (COM Port)
Available Available
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