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SPC560B64x 数据表(PDF) 19 Page - STMicroelectronics |
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SPC560B64x 数据表(HTML) 19 Page - STMicroelectronics |
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19 / 133 page  DocID15131 Rev 9 19/133 SPC560B54x/6x Package pinouts and signal descriptions 132 3.7 Functional port pins The functional port pins are listed in Table 6. Table 5. System pin descriptions Port pin Function RESET configuration Pin number LQFP 100 LQFP 144 LQFP 176 LBGA 208(1) RESET Bidirectional reset with Schmitt- Trigger characteristics and noise filter. I/O M Input weak pull-up after RGM PHASE2 and 40 FIRC cycles 17 21 29 J1 EXTAL Analog output of the oscillator amplifier circuit, when the oscillator is not in bypass mode. Analog input for the clock generator when the oscillator is in bypass mode. I/O X Tristate 36 50 58 N8 XTAL Analog input of the oscillator amplifier circuit. Needs to be grounded if oscillator bypass mode is used. I X Tristate 34 48 56 P8 1. LBGA208 available only as development package for Nexus2+. |
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