RM0365 Datasheet, PDF (444/1076 Pages) STMicroelectronics – This reference manual targets application developers

RM0365
Touch sensing controller (TSC)
19.3.10 Capacitive sensing GPIOs
The table below provides an overview of the capacitive sensing GPIOs.
19.4
TSC low-power modes
Table 110. Effect of low-power modes on TSC
Mode
Description
Sleep
No effect
TSC interrupts cause the device to exit Sleep mode.
Stop
TSC registers are frozen
Standby ^{The TSC stops its operation until the Stop or Standby mode is exited.}
19.5 TSC interrupts
Interrupt event
End of acquisition
Max count error
Table 111. Interrupt control bits
Enable
control bit
Event flag
Clear flag
bit
Exit the
Sleep
mode
EOAIE
EOAIF
EOAIC
yes
MCEIE
MCEIF
MCEIC
yes
Exit the
Stop mode
no
no
Exit the
Standby
mode
no
no
19.6
19.6.1
TSC registers
Refer to Section 2.1 on page 42 of the reference manual for a list of abbreviations used in
register descriptions.
The peripheral registers can be accessed by words (32-bit).
TSC control register (TSC_CR)
Address offset: 0x00
Reset value: 0x0000 0000
31
30
29
28
CTPH[3:0]
rw
rw
rw
rw
15
14
13
12
SSPSC
PGPSC[2:0]
rw
rw
rw
rw
27
rw
11
Res.
26
25
CTPL[3:0]
rw
rw
10
9
Res. Res.
24
rw
8
Res.
23
22
21
20
19
18
17
16
SSD[6:0]
SSE
rw
rw
rw
7
6
5
MCV[2:0]
rw
rw
rw
rw
rw
4
3
IODEF
SYNC
POL
rw
rw
rw
rw
rw
2
1
0
AM START TSCE
rw
rw
rw
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