STMPE24M31QTR STMicroelectronics, STMPE24M31QTR Datasheet - Page 20

• 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

Register map and function description
20/83
Table 8.
Address
0xCA
0xCC
0xCE
0xDC
0xDE
0xEC
0xC0
0xC2
0xC4
0xC6
0xC8
0xD0
0xD2
0xD4
0xD6
0xD8
0xDA
0xEA
0xEE
0x9A
0xB4
0xE0
0xE2
0xE4
0xE6
0xE8
0x92
0x96
Register map (continued)
KEY_FILT_GROUP-1
KEY_FILT_GROUP-2
KEY_FILT_DATA
Register name
TOUCH_DET
CH_DATA-10
CH_DATA-11
CH_DATA-12
CH_DATA-13
CH_DATA-14
CH_DATA-15
CH_DATA-16
CH_DATA-17
CH_DATA-18
CH_DATA-19
CH_DATA-20
CH_DATA-21
CH_DATA-22
CH_DATA-23
CH_DATA-0
CH_DATA-1
CH_DATA-2
CH_DATA-3
CH_DATA-4
CH_DATA-5
CH_DATA-6
CH_DATA-7
CH_DATA-9
CHDATA-8
Doc ID 16174 Rev 2
Reset value
0x00000000
0x00000000
0x00000000
0x00000000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
I
2
R
C
STMPE16M31, STMPE24M31
Define channels included in key
filter group 1
Define channels included in key
filter group 2
Filtered touchkey data
Touch detection register
(real time)
Channel data according to data
type setting
Register function