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新型三色LED驱动器使单片机中的控制线最少
消耗积分:10 |
格式:rar |
大小:22 |
2009-05-31
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When it comes to driving LEDs, a serial bus connection
eliminates the need for many connections to the MCU. The
SPI–Serial Peripheral Interface was introduced in the ’80s
by Motorola and been around for many years. It is still very
popular, and the purpose of this note is to show how to use
a two standard new open drain shift register to interface an
MCU. ON Semiconductor is introducing a new shift register
especially aimed at driving the newly available tri–color
LEDs (red, green, blue). The NLSF595 may be used as an
SPI peripheral, or with standard I/O.
eliminates the need for many connections to the MCU. The
SPI–Serial Peripheral Interface was introduced in the ’80s
by Motorola and been around for many years. It is still very
popular, and the purpose of this note is to show how to use
a two standard new open drain shift register to interface an
MCU. ON Semiconductor is introducing a new shift register
especially aimed at driving the newly available tri–color
LEDs (red, green, blue). The NLSF595 may be used as an
SPI peripheral, or with standard I/O.
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