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SH7616 Datasheet(PDF) 150 Page - Renesas Technology Corp |
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SH7616 Datasheet(HTML) 150 Page - Renesas Technology Corp |
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150 / 935 page ![]() Section 3 Oscillator Circuits and Operating Modes Rev. 2.00 Mar 09, 2006 page 124 of 906 REJ09B0292-0200 When Using a PLL Oscillator Circuit: Keep the wiring short from the PLL VCC and VSS connection pattern to the power supply pins, and make the pattern width large, to minimize the inductance component. Ground the oscillation stabilization capacitors C1 and C2 to VSS (PLL1) and VSS (PLL2), respectively. Place C1 and C2 close to the CAP1 and CAP2 pins and do not locate a wiring pattern in the vicinity. CAP1 VCC (PLL) VCC C1 = 470 pF C2 = 470 pF VSS CAP2 VSS (PLL) Avoid crossing signal lines Power supply Reference values C1 C2 Figure 3.6 Points for Attention when Using PLL Oscillator Circuit 3.3 Bus Width of the CS0 Area Pins MD3 and MD4 are used to specify the bus width of the CS0 area . The pin combination and functions are listed in table 3.6. Do not switch the MD4 and MD3 pins while they are operating. Switching them will cause operating errors. Table 3.6 Bus Width of the CS0 Area Pin MD4 MD3 Function 0 0 8-bit bus width selected 0 1 16-bit bus width selected 1 0 32-bit bus width selected 1 1 Setting prohibited |
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