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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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SH7721 датащи(PDF) 94 Page - Renesas Technology Corp |
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SH7721 датащи(HTML) 94 Page - Renesas Technology Corp |
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94 / 1524 page  Section 1 Overview Rev. 3.00 Jan. 18, 2008 Page 32 of 1458 REJ09B0033-0300 Classification Symbol I/O Name Function SD_CD I SD card detection Card detection pin SD host interface (SDHI) SD_WP I SD write protect Write protect pin SIM_RST O SIM reset Smart card reset output pin SIM_CLK O SIM clock Smart card clock output pin SIM card module (SIM) SIM_D I/O SIM data Transmit/receive data input/output pin AN3 to AN0 I ADC analog input Analog input pin AVcc Analog power supply Power supply pin for the A/D or D/A converter. When the A/D or D/A converter is not in use, connect this pin to input/output power supply (VccQ). AVss Analog ground Ground pin for the A/D or D/A converter. Connect this pin to input/output power supply (VssQ). A/D converter (ADC) ADTRG I ADC external trigger External trigger signal for starting A/D conversion DA0 O DAC analog output Channel 0 analog output pin D/A converter (DAC) DA1 O DAC analog output Channel 1 analog output pin AVcc_USB USB power supply Power supply pin for USB AVss_USB USB ground Ground pin for USB EXTAL_USB I USB external clock Connects crystal resonator for USB. Also used to input external clock for USB (48 MHz) XTAL_USB O USB crystal Connects a crystal resonator for USB USB1_ovr_ current/ USBF_VBUS I USB1 over- current/ monitor USB port 1 over-current detection/ USB cable connection monitor pin USB USB2_ovr_ current I USB2 over- current USB port 2 over-current detection pin |
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