參數(shù)資料
型號: M66291GP
元件分類: 總線控制器
英文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP48
封裝: 7 X 7 MM, 0.50 MM PITCH, PLASTIC, LQFP-48
文件頁數(shù): 102/128頁
文件大小: 928K
代理商: M66291GP
M66291GP/HP
Rev 1.01 2004.11.01 page 73 of 122
(1) PIEN (Port Input Enable) Bits (b14~b8)
These bits set the enable/disable of port input.
When “0” is written to this bit, the related port pin does not work as the input pin even if the PDIR bit of this
register is set to “0”. In this case the related port pin is in the high-impedance state. In this state, the port data
is read out as “0”.
When the PDIR bit of this register is set to “0”, the related port pin works as the input pin by writing “1” to
this bit.
When the PDIR bit of this register is set to “1”, these bits become invalid (and works as an output port).
(2) PDIR (Port Input/Output Select) Bits (b6~b0)
These bits select input/output direction of the port pin.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M66291GP#201 制造商:Renesas Electronics Corporation 功能描述:IC ASSP USB2.0 DEVICE CONTROLLER 48LQFP
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