W55P241

 

 

The W55P241 is a general purpose programmable I/O device usable with many different microprocessors through SPI interface. This contains three 8-bit ports, total 24 I/O pins which may be individually programmed for 4 separate command groups. These I/O pins can drive LED directly with high-current applications. A dedicated counter is in charge of 256-level output functions.

 

W55P241 是一顆通用可編程輸入輸出裝置，可連接各式各樣不同的微處理器，透過串行接口(SPI)。W55P241包括 3 組 8 位IO端口(BP0, BP1 and BP2)。這 24 根IO腳可以被個別程控，4 組分開的程序指令。W55P241擁有邏輯操作能力:及/ 或/ 互斥，可以和內部結構緩存器的每一個位進行處理，以加速尋址。這些IO 腳可以直接驅動發光二極管，用于高電流應用。一個專屬的計數器負責 256 階輸出功能。

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