STMPE24M31QTR STMicroelectronics, STMPE24M31QTR Datasheet - Page 62

• 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

Touch sensor controller
RATIO_ENG-n_CFG
Address:
Type:
Reset:
Description:
62/85
RW
7
0
Figure 18. Configuration of ratio engine input
[7:5] RANGE:
[4:0] START:
RANGE
RW
6
0
‘Number of channels used in ratio engine. Maximum is 8 channels. The number represent
number of channels used - 1
Define the starting channel used in ratio engine. This number represent the channel number
0x81, 0x82
RW
0x00
Configure the channels used in ratio engine 1 and 2
RW
5
0
Doc ID 16174 Rev 3
RW
4
0
RW
3
0
START
Ratio engine-1,-2 registers
RW
.
2
0
STMPE16M31, STMPE24M31
RW
1
0
RW
0
0