STMPE16M31PXQTR STMicroelectronics, STMPE16M31PXQTR Datasheet - Page 2

IC CTLR TOUCHKEY 16CHAN 32-QFN

STMPE16M31PXQTR

Manufacturer Part Number
STMPE16M31PXQTR
Description
IC CTLR TOUCHKEY 16CHAN 32-QFN
Manufacturer
STMicroelectronics
Series
S-Touch™r
Type
Capacitive, PWM, Ratio Enginer
Datasheets

Specifications of STMPE16M31PXQTR

Featured Product
STMPE16M31PX
Number Of Inputs/keys
16 Key, Slider
Data Interface
I²C
Data Rate/sampling Rate (sps, Bps)
100k, 400k
Voltage Reference
External
Voltage - Supply
2.7 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
32-VFQFN Exposed Pad
Supply Voltage
1.65 V to 1.95 V
Number Of Channels
16
Dimensions
4 mm L x 4 mm W x 0.8 mm H
Temperature Range
- 40 C to + 85 C
Termination Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Supply
-
Resolution (bits)
-
Touch Panel Interface
-
Other names
497-10738-2

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
STMPE16M31PXQTR
Manufacturer:
STM
Quantity:
12 495
Contents
Contents
1
2
3
4
5
6
7
8
9
10
11
12
13
2/75
Pin assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.1
1.2
I
2.1
Read operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Write operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.1
General call address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Register map and function description . . . . . . . . . . . . . . . . . . . . . . . . . 17
System controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
7.1
Interrupt service routine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
GPIO controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
PWM array controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
PWM controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
11.1
Basic PWM programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
12.1
Touch sensor controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
13.1
13.2
2
C interface module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Power scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Power states . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Device operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Write operations for one or more bytes . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Interrupt system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
PWM function register map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Interrupt on basic PWM controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Sampling rate calculation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Sensor resolution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Doc ID 17058 Rev 2
STMPE16M31PX

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