STMPE24M31QTR STMicroelectronics, STMPE24M31QTR Datasheet - Page 31
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
8
Interrupt service routine
On receiving an interrupt, system software should:
Read InterruptStatus
If (GPIO.bit==1)
{
Read InterruptStatusGPIO
Write InterruptStatus to clear the corresponding bit
}
If (PWM.bit==1)
{
Read InterruptStatusPWM
Write InterruptStatus to clear the corresponding bit
}
If ( EV_ALARM or TOUCHSCREEN or TOUCHKEY or RE1/2)
{
}
Process INT
Write InterruptStatus to clear the corresponding bit
Process GPIO INT
Write InterruptStatusGPIO to clear the corresponding bit
Process PWM INT
Write InterruptStatusPWM to clear the corresponding bit
Doc ID 16174 Rev 2
Interrupt service routine
31/83