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STMPE2401 Folha de dados(PDF) 39 Page - STMicroelectronics

Nome de Peças STMPE2401
Descrição Electrónicos  24-bit Enhanced port expander with Keypad and PWM controller Xpander logic
PDF  55 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STMPE2401 Folha de dados(HTML) 39 Page - STMicroelectronics

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STMPE2401
PWM commands
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In order to enable a PWM channel, the programming sequence below should be observed.
The ENx of the PWMCS register should be kept in ‘0’. By default, it has a value of ‘0’.
Loads the instructions into the PWM channel x by writing the corresponding PWMICx.
The PWM channel x has a 64-word depth (16-bit width). Any instructions of size less
than or equal to 64 words can be loaded into the channel. Any attempt to load beyond
64 words will result in internal address pointer to roll-over (0x1f
◊ 0x00) and the excess
instructions to be over-written into the first address location of the channel and
onwards.
After the instructions are loaded in, then, the PWM channel x can be enabled by setting
a ‘1’ to the ENx bit.
Enables the corresponding interrupt mask bit to allow interruption to the host.



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