User manual

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.