STMPE321QTR STMicroelectronics, STMPE321QTR Datasheet - Page 28
![IC CTLR TOUCH KEY 3CH 12-QFN](/photos/39/69/396989/qfn-12l_sml.jpg)
STMPE321QTR
Manufacturer Part Number
STMPE321QTR
Description
IC CTLR TOUCH KEY 3CH 12-QFN
Manufacturer
STMicroelectronics
Series
S-Touch™r
Type
Capacitiver
Specifications of STMPE321QTR
Number Of Inputs/keys
3 Key
Resolution (bits)
8 b
Data Interface
I²C
Data Rate/sampling Rate (sps, Bps)
100k
Voltage - Supply
1.65 V ~ 1.95 V
Mounting Type
Surface Mount
Package / Case
12-QFN
Voltage Supply Source
Single Supply
Resolution
7 bit to 10 bit
Interface Type
I2C
Supply Voltage (max)
1.95 V
Supply Voltage (min)
1.65 V
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Operating Temperature
-
Sampling Rate (per Second)
-
Lead Free Status / Rohs Status
Details
Other names
497-8985-2
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
STMPE321QTR
Manufacturer:
MICREL
Quantity:
54
Capacitive touch module registers
INT_MASK
Address:
Type:
Reset:
Description:
INT_CLR
Address:
Type:
Reset:
Description:
28/40
7
7
[7:4] RESERVED
[2:0] RESERVED
[7:4] RESERVED
[2:0] RESERVED
[3] EOC:
[3] EOC:
6
6
RESERVED
RESERVED
0x26
R/W
0x08
Writing '1' to this register disables the corresponding interrupt source.
End of calibration
This interrupt occurs on both automatic and forced calibration
0x27
R/W
0x00
Writing '1' to this register clears the corresponding interrupt source in INT_PENDING
register.
End of calibration
This interrupt occurs on both automatic and forced calibration
5
5
4
4
Doc ID 15791 Rev 3
EOC
EOC
3
3
2
2
RESERVED
RESERVED
1
1
Interrupt mask
Interrupt clear
STMPE321
0
0