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STMPE821QTR Datasheet(PDF) 43 Page - STMicroelectronics

Part # STMPE821QTR
Description  8-bit Xpander Logic??with touchkey controller
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STMPE821QTR Datasheet(HTML) 43 Page - STMicroelectronics

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STMPE821
Basic PWM controller
43/55
10.1
PWM function register map
MASTER_EN
Master enabler
Address:
0xA1
Type:
R/W
Reset:
0x00
Description:
Write ‘1’ to select PWM function on the corresponding channel.
Table 11.
PWM function register map summary table
Register name
Description
Auto-increment
(during sequential R/W)
PWM_OFF_OUTPUT
Set the output level when PWM
is disabled
Yes
MASTER_EN
Enables/disables individual
basic PWM channels
Yes
PWM0_SET
PWM 0 setup
Yes
PWM0_CTRL
PWM 0 control
Yes
PWM0_RAMP_RATE
PWM 0 ramp rate
Yes
PWM1_SET
PWM 1 setup
Yes
PWM1_CTRL
PWM 1 control
Yes
RAMP1_RATE
PWM 1 ramp rate
Yes
PWM2_SET
PWM 2 setup
Yes
PWM2_CTRL
PWM 2 control
Yes
RAMP2_RATE
PWM 2 ramp rate
Yes
PWM3_SET
PWM 3 setup
Yes
PWM3_CTRL
PWM 3 control
Yes
PWM3_RATE
PWM 3 ramp rate
Yes
765
432
10
AF3
AF2
AF2
AF0
EN3
EN2
EN1
EN0
[7:4] AF3:0
[3:0] OUT3:0:
Default is '0'.
Write ‘1’ to used the corresponding PWM channel must be diabled for the controlling registers
to be accessed.


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