MPR121QR2 Freescale Semiconductor, MPR121QR2 Datasheet - Page 20

• Manufacturer Part Number: MPR121QR2
• Description: IC CTLR TOUCH SENSOR 20-QFN
• Manufacturer: Freescale Semiconductor
• Type: Capacitive, Proximity Sensorr

Specifications of MPR121QR2

• Number Of Inputs/keys: 12 Key
• Data Interface: I²C, Serial
• Voltage - Supply: 1.71 V ~ 3.6 V
• Current - Supply: 29µA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-UQFN, 20-µQFN
• Output Type: Logic
• Interface: I²C
• Input Type: Logic
• Supply Voltage: 2.5 V to 3.6 V
• Dimensions: 3 mm L x 3 mm W x 0.65 mm H
• Temperature Range: - 40 C to + 85 C
• Termination Style: SMD/SMT
• Supply Current: 29µA
• Ic Interface Type: I2C
• Supply Voltage Range: 1.71V To 3.6V
• Sensor Case Style: QFN
• No. Of Pins: 20
• Operating Temperature Range: -40°C To +85°C
• Interface Type: I2C
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: MPR121QR2; MPR121QR2TR

MPR121
20
Table 18. ELE0-7 Out Of Range Status Register Field Descriptions
Field
E7S
E6S
E5S
E4S
E3S
E2S
E1S
E0S
7
6
5
4
3
2
1
0
Electrode 1 OOR Status – The Electrode 7 OOR Status shows if the AUTO-CONFIG has failed.
0 – Auto-configuration Successful
1 – Auto-configuration Failed
Electrode 0 OOR Status – The Electrode 7 OOR Status shows if the AUTO-CONFIG has failed.
0 – Auto-configuration Successful
1 – Auto-configuration Failed
Electrode 7 OOR Status – The Electrode 7 OOR Status shows if the AUTO-CONFIG has failed.
0 – Auto-configuration Successful
1 – Auto-configuration Failed
Electrode 6 OOR Status – The Electrode 7 OOR Status shows if the AUTO-CONFIG has failed.
0 – Auto-configuration Successful
1 – Auto-configuration Failed
Electrode 5 OOR Status – The Electrode 7 OOR Status shows if the AUTO-CONFIG has failed.
0 – Auto-configuration Successful
1 – Auto-configuration Failed
Electrode 4 OOR Status – The Electrode 7 OOR Status shows if the AUTO-CONFIG has failed.
0 – Auto-configuration Successful
1 – Auto-configuration Failed
Electrode 3 OOR Status – The Electrode 7 OOR Status shows if the AUTO-CONFIG has failed.
0 – Auto-configuration Successful
1 – Auto-configuration Failed
Electrode 2 OOR Status – The Electrode 7 OOR Status shows if the AUTO-CONFIG has failed.
0 – Auto-configuration Successful
1 – Auto-configuration Failed
Description
Freescale Semiconductor
Sensors