STMPE821QTR STMicroelectronics, STMPE821QTR Datasheet - Page 15
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STMPE821QTR
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
STMPE821QTR
Manufacturer:
STM
Quantity:
1 261
STMPE821
Table 5.
Address
0x50 -
0x60 -
0x70 -
0x80 -
0xBA
0xBC
0xBD
0xBE
0xA0
0xA1
0xB0
0xB1
0xB2
0xB4
0xB5
0xB6
0xB8
0xB9
0x40
0x57
0x67
0x77
0x87
0x92
EVR
STRENGTH_THRES
[0-7]
STRENGTH [0-7]
CAL_IMPEDANCE
[0-7]
IMPEDANCE [0-7]
INT_PENDING
PWM_OFF_OUTPUT
MASTER_EN
PWM0_SET
PWM0_CTRL
PWM0_RAMP_RATE
PWM1_SET
PWM1_CTRL
PWM1_RAMP_RATE
PWM2_SET
PWM2_CTRL
PWM2_RAMP_RATE
PWM3_SET
PWM3_CTRL
PWM3_RAMP_RATE
Register summary map table (continued)
Register name
Bit
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
R
R
Reset value
Register map and function description
0x04
0x01
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
Environmental variance
Setting of strength threshold for
each channel
Strength
Calibrated impedance
Impedance
Status of GINT interrupt
sources
PWM group control
Master enable
PWM 0 setup
PWM 0 control
PWM 0 ramp rate
PWM 1 setup
PWM 1 control
PWM 1 ramp rate
PWM 2 setup
PWM 2 control
PWM 2 ramp rate
PWM 3 setup
PWM 3 control
PWM 3 ramp rate
Function
15/55