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AT91SAM9G20 Datasheet(PDF) 5 Page - ATMEL Corporation |
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AT91SAM9G20 Datasheet(HTML) 5 Page - ATMEL Corporation |
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5 / 42 page  5 6384DS–ATARM–13-Jan-10 AT91SAM9G20 Summary 3. Signal Description Table 3-1. Signal Description List (Continued) Signal Name Function Type Active Level Comments Power Supplies VDDIOM EBI I/O Lines Power Supply Power 1.65V to 1.95V or 3.0V to 3.6V VDDIOP Peripherals I/O Lines Power Supply Power 1.65V to 3.6V VDDBU Backup I/O Lines Power Supply Power 0.9V to 1.1V VDDANA Analog Power Supply Power 3.0V to 3.6V VDDPLL PLL Power Supply Power 0.9V to 1.1V VDDOSC Oscillator Power Supply Power 1.65V to 3.6V VDDCORE Core Chip Power Supply Power 0.9V to 1.1V VDDUSB USB Power Supply Power 1.65V to 3.6V GND Ground Ground GNDANA Analog Ground Ground GNDBU Backup Ground Ground GNDUSB USB Ground Ground GNDPLL PLL Ground Ground Clocks, Oscillators and PLLs XIN Main Oscillator Input Input XOUT Main Oscillator Output Output XIN32 Slow Clock Oscillator Input Input XOUT32 Slow Clock Oscillator Output Output OSCSEL Slow Clock Oscillator Selection Input Accepts between 0V and VDDBU. PCK0 - PCK1 Programmable Clock Output Output Shutdown, Wakeup Logic SHDN Shutdown Control Output WKUP Wake-up Input Input Accepts between 0V and VDDBU. ICE and JTAG NTRST Test Reset Signal Input Low Pull-up resistor TCK Test Clock Input No pull-up resistor TDI Test Data In Input No pull-up resistor TDO Test Data Out Output TMS Test Mode Select Input No pull-up resistor JTAGSEL JTAG Selection Input Pull-down resistor. Accepts between 0V and VDDBU. RTCK Return Test Clock Output |
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