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SLG46169 数据表(PDF) 21 Page - Dialog Semiconductor |
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SLG46169 数据表(HTML) 21 Page - Dialog Semiconductor |
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21 / 102 page  000-0046169-105 Page 20 of 101 SLG46169 7.0 I/O Pins The SLG46169 has a total of 12 multi-function I/O pins which can function as either a user defined Input or Output, as well as serving as a special function (such as outputting the voltage reference), or serving as a signal for programming of the on-chip Non Volatile Memory (NVM). Normal Mode pin definitions are as follows: • Pin 1: VDD power supply • Pin 2: general purpose input • Pin 3: general purpose input or output • Pin 4: general purpose input or output with OE • Pin 5: general purpose input or output or analog comparator 0(+) • Pin 6: general purpose input or output with OE or analog comparator 0(-) • Pin 7: general purpose input or output with OE • Pin 8: general purpose input or output or analog comparator 1(+) • Pin 9: ground • Pin 10: general purpose input or output with OE • Pin 11: general purpose input or output • Pin 12: general purpose input or output with OE • Pin 13: general purpose input or output with OE and Vref output (VREF) • Pin 14: general purpose input or output or external clock input Programming Mode pin definitions are as follows: •Pin1: VDD power supply • Pin 2: VPP programming voltage • Pin 9: ground • Pin 10: programming mode control • Pin 11: programming ID pin • Pin 12: programming SDIO pin • Pin 13: programming SRDWB pin • Pin 14: programming SCL pin Of the 12 user defined I/O pins on the SLG46169, all but one of the pins (Pin 2) can serve as both digital input and digital output. Pin 2 can only serve as a digital input pin. 7.1 Input Modes Each I/O pin can be configured as a digital input pin with/without buffered Schmitt Trigger, or can also be configured as a low voltage digital input. Pins 5, 6 and 8 can also be configured to serve as analog inputs to the on-chip comparators. Pins 12 and 13 can also be configured as analog reference voltage outputs. 7.2 Output Modes Pins 3, 4, 5, 6, 7, 8, 10, 11, 12, 13 and 14 can all be configured as digital output pins. 7.3 Pull Up/Down Resistors All I/O pins have the option for user selectable resistors connected to the input structure. The selectable values on these resistors are 10 k , 100 k and 1 M. In the case of Pin 2, the resistors are fixed to a pull-down configuration. In the case of all other I/O pins, the internal resistors can be configured as either pull-up or pull-downs. |
类似零件编号 - SLG46169 |
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类似说明 - SLG46169 |
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