STMPE24M31QTR STMicroelectronics, STMPE24M31QTR Datasheet - Page 67

• 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

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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