Information

TSIx_GENCS field descriptions (continued)
Field Description
1 indicates a scanning process is in progress. This bit is read-only and changes automatically by the TSI
model.
8
SWTS
Software Trigger Start
Write a 1 to this bit will start a scan sequence and write a 0 to this bit has no effect.
7
TSIEN
Touch Sensing Input Module Enable
0 TSI module is disabled.
1 TSI module is enabled.
6
TSIIE
Touch Sensing Input Interrupt Module Enable
0 Interrupt from TSI is disabled.
1 Interrupt from TSI is enabled.
5
ERIE
Error Interrupt Enable
Caused either by a Short or Overrun Error.
0 Interrupt disabled for error.
1 Interrupt enabled for error.
4
ESOR
End-of-Scan Or Out-of-Range Interrupt Select
0 Out-of-Range interrupt is allowed.
1 End-of-Scan interrupt is allowed.
3
Reserved
This field is reserved.
This read-only field is reserved and always has the value 0.
2
Reserved
Reserved
This field is reserved.
1
STM
Scan Trigger Mode
This field can be changed only if the TSI module is disabled (TSIEN bit = 0).
0 Software trigger scan.
1 Periodical Scan.
0
STPE
TSI STOP Enable while in low-power modes (STOP, VLPS, LLS, and VLLS{3,2,1}).
0 Disable TSI when MCU goes into low-power modes.
1 Allows TSI to continue running in all low-power modes.
Chapter 51 Touch sense input (TSI)
K20 Sub-Family Reference Manual, Rev. 1.1, Dec 2012
Freescale Semiconductor, Inc.
Preliminary
1421
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