STMPE24M31QTR STMicroelectronics, STMPE24M31QTR Datasheet - Page 67
STMPE24M31QTR
Manufacturer Part Number
STMPE24M31QTR
Description
IC SENSOR S-TOUCH 24CH 40QFN
Manufacturer
STMicroelectronics
Series
S-Touch™r
Type
Capacitiver
Datasheets
1.STMPE821QTR.pdf
(5 pages)
2.STMPE16M31QTR.pdf
(85 pages)
3.STMPE24M31QTR.pdf
(83 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
STMPE24M31QTR
Manufacturer:
STM
Quantity:
8 061
STMPE16M31, STMPE24M31
Bit 15-8 (0x93 for KFGROUP-1, 0x97 for KFGROUP-2)
Bit 23-16 (0x94 for KFGROUP-1, 0x98 for KFGROUP-2)
KEY_FILT_DATA
Address:
Type:
Reset:
Description:
Bit 7-0 (0x9A)
Bit 15-8 (0x9B)
S15
S23
S15
RW
RW
RW
RW
S7
7
0
7
0
7
0
7
0
[23:0] S-X
S14
S22
S14
RW
RW
RW
RW
S6
6
0
6
0
Write ‘1’ to include the corresponding channel in a group of Key Filter Unit
6
0
6
0
0x9A-0x9C
RW
0x000000
Represent the status of (touch/no-touch), after being filtered by key filter unit. This
register is always active and key status can be accessed from this register regardless
of key filter unit activity.
S13
S21
S13
RW
RW
RW
RW
S5
5
0
5
0
5
0
5
0
Doc ID 16174 Rev 2
S12
S20
S12
RW
RW
RW
RW
S4
4
0
4
0
4
0
4
0
S11
S19
S11
RW
RW
RW
RW
S3
3
0
3
0
3
0
3
0
S10
S18
S10
RW
RW
RW
RW
S2
2
0
2
0
2
0
2
0
Key filter data register
Touchkey controller
S17
RW
RW
RW
RW
S9
S1
S9
1
0
1
0
1
0
1
0
S16
RW
RW
RW
RW
S8
S0
S8
0
0
0
0
0
0
0
0
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