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ST75C540 数据表(PDF) 7 Page - STMicroelectronics |
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ST75C540 数据表(HTML) 7 Page - STMicroelectronics |
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7 / 84 page ![]() II.5 - Miscellaneous Pin Name Type Description EYEX O Constellation X analog coordinate EYEY O Constellation Y analog coordinate XTAL O Internal Oscillator Output. Left open if not used. EXTAL I Internal Oscillator Input, or External Clock Input. XPLL I Reserved for future use, must be connected to digital ground. CLKOUT O Output Clock, EXTAL/2 (not available in low power mode). TEST0 I Test pin for normal operation, must be connected to digital ground. Note : The nominal frequency of the crystal oscillator is 44.2368MHz with a precision better than ± 100ppm. II.6 - Power Supply Symbol Nber Parameter DVDD 6 Digital +5V. DGND 6 Digital Ground. AVDD 2 Analog +5V. AGND 3 Analog Ground. II - PIN DESCRIPTION (continued) ST75C530 - ST75C540 7/84 |
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