STMPE821 datasheet(43/55 Pages) 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

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

AF3

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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