STMPE321QTR STMicroelectronics, STMPE321QTR Datasheet - Page 31

• 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

STMPE321
STRENGTH
Address:
Type:
Reset:
Description:
7
[7:0] STRENGTH:
6
0x60 - 0x62
R
0x00
The number of times a sensed capacitance exceeds the calibrated reference
impedance
Read-only field
Counts the number of times a sensed impedance exceeds calibrated reference impedance
and integration time. Maximum strength equals Integration Time [7:0]
5
Doc ID 15791 Rev 3
4
STRENGTH
3
Capacitive touch module registers
2
1
Strength
0
31/40