S12 / MagniV MicrocontrollersのトピックRe: S12XDP512 PLL Circuit https://community.nxp.com/t5/S12-MagniV-Microcontrollers/S12XDP512-PLL-Circuit/m-p/175461#M6123 <HTML><HEAD></HEAD><BODY>The VDDPLL, VSSPLL power domain is required for the oscillator input even if you are not using the PLL.<BR />A decoupling capacitor (220 nF, X7R ceramic) should be placed between these supply lines, the internal voltage regulator supplies the power.<BR /><BR />If PLL usage is not required, the XFC pin must be tied to VDDPLL.<BR /></BODY></HTML> Wed, 02 Jan 2008 20:51:10 GMT DPB 2008-01-02T20:51:10Z S12XDP512 PLL Circuit https://community.nxp.com/t5/S12-MagniV-Microcontrollers/S12XDP512-PLL-Circuit/m-p/175460#M6122 <HTML><HEAD></HEAD><BODY><DIV>Hi,</DIV><DIV>If I don't use PLL how should I connect the VDDPLL, VSSPLL, XFC pins. (Connect them to ground or 5V with resistor or nothing...)</DIV></BODY></HTML> Fri, 28 Dec 2007 17:02:03 GMT https://community.nxp.com/t5/S12-MagniV-Microcontrollers/S12XDP512-PLL-Circuit/m-p/175460#M6122 sfb 2007-12-28T17:02:03Z Re: S12XDP512 PLL Circuit https://community.nxp.com/t5/S12-MagniV-Microcontrollers/S12XDP512-PLL-Circuit/m-p/175461#M6123 <HTML><HEAD></HEAD><BODY>The VDDPLL, VSSPLL power domain is required for the oscillator input even if you are not using the PLL.<BR />A decoupling capacitor (220 nF, X7R ceramic) should be placed between these supply lines, the internal voltage regulator supplies the power.<BR /><BR />If PLL usage is not required, the XFC pin must be tied to VDDPLL.<BR /></BODY></HTML> Wed, 02 Jan 2008 20:51:10 GMT https://community.nxp.com/t5/S12-MagniV-Microcontrollers/S12XDP512-PLL-Circuit/m-p/175461#M6123 DPB 2008-01-02T20:51:10Z