14
Table B-1 Jumper
S
ettings and
F
unctionality
Header
Functionality when
jumper present
Functionality when
jumper absent
Requirement
PWR1
Provides power to MSP430FG4618
Also used to measure current
consumption of the MSP430FG4618
MSP430FG4618 is
not powered
Required for
MSP430FG4618
use
PWR2
Provides power to MSP430F2013
Also used to measure current
consumption of the MSP430F2013
MSP430F2013 is
not powered
Required for
MSP430F2013
use
BATT
On-board batteries provide power Also
used to measure current consumption
Batteries will not
provide power to
either MSP430
Required for use with
AAA batteries
JP1
Buzzer enabled and connected
to P3.5 of the MSP430FG4618
Buzzer muted
Optional
JP2
LED3 enabled and connected
to P1.0 of the MSP430F2013
LED3 connection
disabled
Optional / Required for
LED3 use
JP3
LED4 enabled and connected
to P5.1 of MSP430FG4618
LED4 connection
disabled
Optional / Required for
LED4 use
JP4
Attenuation set to approximately
69% of the DAC12 audio output
98% attenuation of
the DAC12 audio
output
Optional
Header H1
(Pins 1-2, 3-4)
I2C Configuration
1-2: SDA – UCB0SDA
3-4: SCL – UCB0SCL
No communication
possible via I2C
Required for
inter-processor
communication
Header H1
(Pins 1-2, 3-4,
5-6, 7-8)
SPI Configuration
1-2: SDI – UCB0SIMO
3-4: SDO – UCB0SOMI
5-6: P1.4 – P3.0 (CS)
7-8: SCLK – UCB0CLK
No communication
possible via SPI
Required for
inter-processor
communication
Table B-1 breaks down the function of each jumper shown in Figure B-1.