2 scan if operation, 1 scan if analog front end – Texas Instruments MSP430x4xx User Manual

Page 464

Advertising
background image

Scan IF Operation

24-4

Scan IF

24.2 Scan IF Operation

The Scan IF is configured with user software. The setup and operation of the
Scan IF is discussed in the following sections.

24.2.1 Scan IF Analog Front End

The Scan IF analog front end provides sensor excitation and measurement.
The analog front end is automatically controlled by the timing state machine
according to the information in the timing state machine table. The analog front
end block diagram is shown in Figure 24−2.

Note:

Timing State Machine Signals

Throughout this chapter, signals from the TSM are noted in the signal name
with (tsm). For example, The signal SIFEX(tsm) comes from the TSM.

Advertising