STMPE821QTR STMicroelectronics, STMPE821QTR Datasheet - Page 42
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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
Basic PWM controller
9.1
MASTER_EN
Address:
Type:
Reset:
Description:
42/55
AF3
7
PWM function register map
Table 11.
PWM_OFF_OUTPUT
MASTER_EN
PWM0_SET
PWM0_CTRL
PWM0_RAMP_RATE
PWM1_SET
PWM1_CTRL
RAMP1_RATE
PWM2_SET
PWM2_CTRL
RAMP2_RATE
PWM3_SET
PWM3_CTRL
PWM3_RATE
[7:4] AF3:0
[3:0] OUT3:0:
AF2
6
0xA1
R/W
0x00
Write ‘1’ to select PWM function on the corresponding channel.
Default is '0'.
Write ‘1’ to used the corresponding PWM channel must be diabled for the controlling registers
to be accessed.
Register name
PWM function register map summary table
AF2
5
Master enabler
Set the output level when PWM
is disabled
Enables/disables individual
basic PWM channels
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
AF0
4
Description
EN3
3
EN2
2
(during sequential R/W)
Auto-increment
EN1
1
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
STMPE821
EN0
0