STMPE821QTR STMicroelectronics, STMPE821QTR Datasheet - Page 30

• Manufacturer Part Number: STMPE821QTR
• Description: IC CTLR TOUCH KEY 8CH CAP 16-QFN
• Manufacturer: STMicroelectronics
• Type: Capacitiver

Specifications of STMPE821QTR

• Number Of Inputs/keys: 8 Key
• Data Interface: I²C
• Voltage - Supply: 1.65 V ~ 1.95 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-QFN
• Voltage Supply Source: Single Supply
• Resolution: 7 bit to 10 bit
• Interface Type: I2C
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 2.7 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Number Of Channels: 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Sampling Rate (per Second): -
• Resolution (bits): -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-8826-2

Capacitive touch module registers
INT_MASK
Address:
Type:
Reset:
Description:
INT_CLR
Address:
Type:
Reset:
Description:
30/50
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 14478 Rev 5
EOC
EOC
3
3
2
2
RESERVED
RESERVED
1
1
Interrupt mask
Interrupt clear
STMPE821
0
0