Casco Logix
MSP430AFE253 Development Board User Guide
Rev 1.3
www.cascologix.com
Page 5
3.3
Analog Connections
The 8-postion screw terminal block (TB1) offers an easy method of connecting external analog sensors, such as
current transformers, voltage taps, temperature sensors, pressure sensors, strain gauges and other high-
sensitivity wheatstone bridge outputs to the 24-bit analog-to-digital front end. The terminal block pinout is as
follows:
3.4
GPIO Header
The GPIO header (P) provides a means of utilizing other GPIO pins or other unused peripherals on the
MSP430AFE253. Refer to the MSP430AFE253 datasheet and family user guide for GPIO pin functionality and
peripheral availability.
P1.1
P1.5
P1.6
P2.0
P2.6
P2.7
3.3V
GND
Channel 0 - Positive
Channel 0 - Negative
Channel 1 - Positive
Channel 1 - Negative
Channel 2 - Positive
Channel 2 - Negative
Analog Voltage Reference
Analog Reference Ground
