STMPE24M31QTR STMicroelectronics, STMPE24M31QTR Datasheet - Page 6

• Manufacturer Part Number: STMPE24M31QTR
• Description: IC SENSOR S-TOUCH 24CH 40QFN
• Manufacturer: STMicroelectronics
• Series: S-Touch™r
• Type: Capacitiver

Specifications of STMPE24M31QTR

• Number Of Inputs/keys: 24 Key
• Data Interface: I²C
• Data Rate/sampling Rate (sps, Bps): 100k, 400k
• Voltage Reference: External
• Voltage - Supply: 1.65 V ~ 1.95 V
• Current - Supply: 900µA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 40-VQFN
• Output Type: Logic
• Interface: I²C
• Input Type: Logic
• Supply Voltage: 1.8 V
• Number Of Channels: 24
• Dimensions: 5 mm L x 5 mm W x 0.85 mm H
• Temperature Range: - 40 C to + 85 C
• Termination Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-10380-2

Pin assignment
6/83
Table 2.
STMPE24M31
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)
STMPE16M31
Pin number
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
-
-
-
-
-
-
Doc ID 16174 Rev 2
RESET_N
Pin name
Address 0
Address 1
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
SDA
SCL
INT
VIO
VIO
Voltage domain
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
STMPE16M31, STMPE24M31
2
2
2
2
C address 0
C clock
C data
C address 1
Description