MPR121QR2 Freescale Semiconductor, MPR121QR2 Datasheet - Page 7

• 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
Table 1. Register Map
ELE3 Electrode Current
ELE4 Electrode Current
ELE5 Electrode Current
ELE6 Electrode Current
ELE7 Electrode Current
ELE8 Electrode Current
ELE9 Electrode Current
ELE10 Electrode Current
ELE11 Electrode Current
ELEPROX Electrode Current
ELE0, ELE1 Charge Time
ELE2, ELE3 Charge Time
ELE4, ELE5 Charge Time
ELE6, ELE7 Charge Time
ELE8, ELE9 Charge Time
ELE10, ELE11 Charge Time
ELEPROX Charge Time
GPIO Control Register 0
GPIO Control Register 1
GPIO Data Register
GPIO Direction Register
GPIO Enable Register
GPIO Data Set Register
GPIO Data Clear Register
GPIO Data Toggle Register
AUTO-CONFIG Control Register 0
AUTO-CONFIG Control Register 1
AUTO-CONFIG USL Register
AUTO-CONFIG LSL Register
AUTO-CONFIG Target Level Register
REGISTER
CTL011
CTL111
DAT11
CLR11
TOG11
SET11
DIR11
EN11
SCTS
AFES
CTL010
CTL110
TOG10
DAT10
SET10
CLR10
DIR10
EN10
CDT11
CTL09
CTL19
CDC3
CDT1
CDT3
CDT5
CDT7
CDT9
TOG9
DAT9
SET9
CLR9
DIR9
EN9
RETRY
CTL08
CTL18
DAT8
CLR8
TOG8
SET8
DIR8
EN8
Fields
USL
LSL
TL
CTL07
CTL17
7CLR7
TOG7
DAT7
SET7
DIR7
EN7
CDCPROX
CDC10
CDC11
CDC4
CDC5
CDC6
CDC7
CDC8
CDC9
BVA
OORIE
CTL06
CTL16
TOG6
DAT6
SET6
CLR6
DIR6
EN6
CDTPROX
CDT10
CTL05
CTL15
ARFIE
TOG5
CDT0
CDT2
CDT4
CDT6
CDT8
DAT5
SET5
CLR5
DIR5
ARE
EN5
CTL04
CTL14
ACFIE
TOG4
DAT4
SET4
CLR4
DIR4
ACE
EN4
Register
Address
30x75
0x6A
0x6B
0x6C
0x6D
0x6E
0x6F
0x7A
0x7B
0x7C
0x7D
0x7E
0x7F
0x62
0x63
0x64
0x65
0x66
0x67
0x68
0x69
0x70
0x71
0x72
0x73
0x74
0x76
0x77
0x78
0x79
Value
Initial
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
Address + 1
MPR121
Increment
Address
Register
Auto
0x00
7