STMPE321QTR STMicroelectronics, STMPE321QTR Datasheet - Page 28

• 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

Capacitive touch module registers
INT_MASK
Address:
Type:
Reset:
Description:
INT_CLR
Address:
Type:
Reset:
Description:
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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