SLAU213A Datasheet, PDF (8/19 Pages) Texas Instruments – MSP430FG4618/F2013 Experimenter’s Board

6.2 Communication Peripherals
The experimenter’s board supports numerous communication interfaces for on-
and off-board connections.
6.2.1 Chipcon Wireless Evaluation Module Interface
Interface to the wireless world is accomplished via the Wireless Evaluation
Module header supporting the CCxxxxEMK boards from TI. The
transceiver modules are connected to the USART of the MSP430FG4618
configured in SPI mode. Libraries [6] that interface the MSP430 to these
transceivers are available at www.ti.com/msp430. The CC2420EMK
supports the 802.15.4/Zigbee standard. The CC1100EMK may be
configured to work at an RF carrier frequency of up to 868 MHz and the
CC2500EMK/CC2420EMK at an RF carrier frequency of 2.4 GHz.
6.2.2 RS-232
For a serial interface to a PC, the MSP430FG4618 supports the standard
RS-232 9-pin interface via its USCI peripheral configured in UART mode.
Standard baud rates for transmission and reception can be configured
using in software
6.2.3 I2C/SPI
The MSP430FG4618 and the MSP430F2013 have support for I2C and
SPI protocols using the USCI and the USI peripherals. This protocol is
used for inter-processor communication The link can be disconnected in
hardware allowing these peripherals to be used for other communication
purposes.
6.3 Analog Signal Chain
The experimenter’s board is capable of forming a complete analog signal chain
using the MSP430FG4618. This board can be used for numerous audio
applications and is capable of recording and playback of audio signals without the
use of additional external components.
Analog IN
1^ST Order
Active HPF
Filter
Using OA0
12-bit
Analog-to-
digital
Converter
Data
Digital IN ^Processing
MIC
SAMPLING FREQ
12-bit
Digital-to-
analog
Converter
2^ND Order
Active LPF
Filter
Using OA1
Active
Voltage
Follower
Using OA2
Output Jack
Figure 4: MSP430 Analog Signal Chain
Analog OUT
5