MPR121QR2 Freescale Semiconductor, MPR121QR2 Datasheet - Page 21

• 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

Sensors
Freescale Semiconductor
ELE8-11, ELEPROX OUT OF RANGE STATUS REGISTER
Table 19. ELE8-11, ELEPROX Out Of Range Status Register Field Descriptions
ELEPROXS
Reset:
ARFF
ACFF
E11S
E10S
Field
E9S
E8S
7
6
4
3
2
1
0
W
R
ARFF
7
0
Automatic Reconfiguration Fail Flag – The Automatic Reconfiguration Fail Flag shows is the
OOR was triggered during a reconfiguration cycle.
0 – Auto-reconfiguration did not cause the OOR flag
1 – Auto-reconfiguration did cause the OOR flag
Automatic Configuration Fail Flag – The Automatic Configuration Fail Flag shows is the OOR
was triggered during an initial configuration cycle.
0 – Auto-configuration did not cause the OOR flag
1 – Auto-configuration did cause the OOR flag
Electrode PROX OOR Status – The Electrode PROX OOR Status shows if the AUTO-CONFIG
has failed.
0 – Auto-configuration Successful
1 – Auto-configuration Failed
Electrode 11 OOR Status – The Electrode 11 OOR Status shows if the AUTO-CONFIG has
failed.
0 – Auto-configuration Successful
1 – Auto-configuration Failed
Electrode 10 OOR Status – The Electrode 10 OOR Status shows if the AUTO-CONFIG has
failed.
0 – Auto-configuration Successful
1 – Auto-configuration Failed
Electrode 9 OOR Status – The Electrode 9 OOR Status shows if the AUTO-CONFIG has failed.
0 – Auto-configuration Successful
1 – Auto-configuration Failed
Electrode 8 OOR Status – The Electrode 8 OOR Status shows if the AUTO-CONFIG has failed.
0 – Auto-configuration Successful
1 – Auto-configuration Failed
Figure 17. ELE8-11, ELEPROX Out Of Range Status Register
= Unimplemented
ACFF
6
0
5
0
0
ELEPROXS
4
0
Description
E11S
3
0
E10S
2
0
E9S
1
0
E8S
0
0
MPR121
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