stmpe16m31px STMicroelectronics, stmpe16m31px Datasheet - Page 6

• Manufacturer Part Number: stmpe16m31px
• Description: S-touch? 16/24-channel Touchkey Controller With Proximity Sensing
• Manufacturer: STMicroelectronics

Pin assignment
6/82
Table 2.
STMPE24M31PX
Pin number
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
Pin description (continued)
STMPE16M31PX
Pin number
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
-
-
-
-
-
-
Doc ID 17058 Rev 1
RESET_N
Address 0
Address 1
Pin name
GPIO-10
GPIO-11
GPIO-12
GPIO-13
GPIO-14
GPIO-15
CAP-18
CAP-19
CAP-20
CAP-21
CAP-22
CAP-23
GPIO-8
GPIO-9
CRef
GND
GND
VCC
SCL
SDA
VIO
VIO
INT
Voltage domain
STMPE16M31PX, STMPE24M31PX
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VIO
VIO
VIO
VIO
VIO
VIO
VIO
VIO
-
-
-
-
Capacitive sense
Capacitive sense
Open drain interrupt
output. This pin should be
pulled to VCC or GND,
depending on polarity of
interrupt used. This pin
must not be left floating.
I
I
I
Active low reset signal
I
Reference capacitor
Capacitive sense
(minimum 10 pF capacitor
is recommended)
Capacitive sense
Ground
GPIO / capacitive sense
GPIO / capacitive sense
I/O supply
GPIO / capacitive sense
GPIO / capacitive sense
GPIO / capacitive sense
GPIO / cap sense
I/O supply
I/O voltage supply
Capacitive sense
Capacitive sense
GPIO / capacitive sense
GPIO / capacitive sense
2
2
2
2
C address 0
C clock
C data
C address 1
Description