STMPE2403 datasheet(42/63 Pages) STMICROELECTRONICS

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PWM controller

STMPE2403

42/63

11.2

PWM Control and Status Register (PWMCS)

Bit

210

ExtSel

ExtEn

II2

II1

II0

EN2

EN1

EN0

Read/Write

Reset Value

Table 40. Bit description

Bits

Name

Description

0EN0

PWM Channel 0 Enable bit.

‘1’ – Enable the PWM Channel 0

‘0’ – Reset the PWM Channel 0. Only when the PWM channel is in reset state,

the stream of commands can be written into its data port, which in this case is

PWM_Command_Channel_0.

1EN1

PWM Channel 1 Enable bit.

‘1’ – Enable the PWM Channel 1

‘0’ – Reset the PWM Channel 1. Only when the PWM channel is in reset state,

the stream of commands can be written into its data port, which in this case is

PWM_Command_Channel_1.

2EN2

PWM Channel 2 Enable bit.

‘1’ – Enable the PWM Channel 2

‘0’ – Reset the PWM Channel 2. Only when the PWM channel is in reset state,

the stream of commands can be written into its data port, which in this case is

PWM_Command_Channel_2.

3II0

PWM Invalid Instruction Status bit for PWM Channel 0

‘0’ – No invalid command encountered during the instruction execution.

‘1’ – Invalid command encountered and this puts the PWM Channel 0 into reset

state.

4II1

PWM Invalid Instruction Status bit for PWM Channel 1

‘0’ – No invalid command encountered during the instruction execution.

‘1’ – Invalid command encountered and this puts the PWM Channel 1 into reset

state.

5II2

PWM Invalid Instruction Status bit for PWM Channel 2

‘0’ – No invalid command encountered during the instruction execution.

‘1’ – Invalid command encountered and this puts the PWM Channel 2 into reset

state.

6ExtEn

External Trigger Enable

‘0’ – External triggering function is disabled

‘1’ – External triggering function is enabled

If enabled, GPIO-15 is used as trigger input/output

7ExtSel

External Trigger Direction Selection

‘0’ – Active high external trigger input

‘1’ – Active low external trigger output

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