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Motor de Búsqueda de Datasheet de Componentes Electrónicos |
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Motor de Búsqueda de Datasheet de Componentes Electrónicos |
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ST723246 Datasheet(PDF) 12 Page - STMicroelectronics |
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ST723246 Datasheet(HTML) 12 Page - STMicroelectronics |
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12 / 161 page  ST72324 12/161 column (wpu) is merged with the interrupt column (int), then the I/O configuration is pull-up interrupt input, else the configuration is floating interrupt input. 2. In the open drain output column, “T” defines a true open drain I/O (P-Buffer and protection diode to VDD are not implemented). See See “I/O PORTS” on page 45. and Section 12.8 I/O PORT PIN CHARACTER- ISTICS for more details. 3. OSC1 and OSC2 pins connect a crystal/ceramic resonator, or an external source to the on-chip oscil- lator; see Section 1 INTRODUCTION and Section 12.5 CLOCK AND TIMING CHARACTERISTICS for more details. 4. On the chip, each I/O port has 8 pads. Pads that are not bonded to external pins are in input pull-up con- figuration after reset. The configuration of these pads must be kept at reset state to avoid added current consumption. 5. In ROM devices, there is no weak pull-up on PB4. |
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