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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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QL8150 Datenblatt(PDF) 39 Page - List of Unclassifed Manufacturers |
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QL8150 Datenblatt(HTML) 39 Page - List of Unclassifed Manufacturers |
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39 / 49 page  4XLFN/RJLF &RUSRUDWLRQ ZZZTXLFNORJLFFRP (FOLSVH,,)DPLO\ 'DWD 6KHHW 5HY % Preliminary 5HFRPPHQGHG 8QXVHG 3LQ7HUPLQDWLRQVIRUWKH (FOLSVH,, 'HYLFHV All unused, general purpose I/O pins can be tied to V CC, GND, or HIZ (high impedance) internally using the Configuration Editor. This option is given in the bottom-right corner of the placement window. To use the Placement Editor, choose Constraint > Fix Placement in the Option pull- down menu of SpDE. The rest of the pins should be terminated at the board level in the manner presented in 7DEOH . 34)33LQRXW'LDJUDP 7DEOH 5HFRPPHQGHG8QXVHG 3LQ7HUPLQDWLRQV 6LJQDO1DPH 5HFRPPHQGHG7HUPLQDWLRQ PLLOUT<x>a a. x represents a number. Unused PLL output pins must be connected to either VCC or GND so that their associated input buffer never floats. Utilized PLL output pins that route the PLL clock outside of the chip should not be tied to either VCC or GND. IOCTRL<y>b b. y represents an aphabetical character. There is an internal pulldown resistor to Ground on this pin. This pin should be tied to Ground if it is not used. For backwards compatibility with Eclipse, it can be tied to Vcc or Ground. If tied to Vcc, it will draw no more than 20 µA per IOCTRL pin due to the pulldown resistor. CLK/PLLIN<x> Any unused clock pins should be connected to VCC or GND. PLLRST<x> If a PLL module is not used, then the associated PLLRST<x> must be connected to VCC, under normal operation use it as needed. INREF<y> If an I/O bank does not require the use of INREF signal the pin should be connected to GND. Eclipse-II QL8325-7PQ208C |
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