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ATSAM3U Datasheet(PDF) 5 Page - ATMEL Corporation |
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ATSAM3U Datasheet(HTML) 5 Page - ATMEL Corporation |
5 / 62 page 5 6430CS–ATARM–09-Apr-10 SAM3U Series 3. Signal Description Table 3-1 gives details on the signal names classified by peripheral. Table 3-1. Signal Description List Signal Name Function Type Active Level Voltage Reference Comments Power Supplies VDDIO Peripherals I/O Lines Power Supply Power 1.62V to 3.6V VDDIN Voltage Regulator Input Power 1.8V to 3.6V VDDOUT Voltage Regulator Output Power 1.8V VDDUTMII USB UTMI+ Interface Power Supply Power 3.0V to 3.6V GNDUTMII USB UTMI+ Interface Ground Ground VDDBU Backup I/O Lines Power Supply Power 1.62V to 3.6V GNDBU Backup Ground Ground VDDPLL PLL A, UPLL and OSC 3-20 MHz Power Supply Power 1.62 V to 1.95V GNDPLL PLL A, UPLL and OSC 3-20 MHz Ground Ground VDDANA ADC Analog Power Supply Power 2.0V to 3.6V GNDANA ADC Analog Ground Ground VDDCORE Core, Memories and Peripherals Chip Power Supply Power 1.62V to 1.95V GND Ground Ground Clocks, Oscillators and PLLs XIN Main Oscillator Input Input VDDPLL XOUT Main Oscillator Output Output XIN32 Slow Clock Oscillator Input Input VDDBU XOUT32 Slow Clock Oscillator Output Output VBG Bias Voltage Reference Analog PCK0 - PCK2 Programmable Clock Output Output VDDIO Shutdown, Wakeup Logic SHDN Shut-Down Control Output VDDBU push/pull 0: The device is in backup mode 1: The device is running (not in backup mode) FWUP Force Wake-Up Input Input Low Needs external pull-up Serial Wire/JTAG Debug Port (SWJ-DP) TCK/SWCLK Test Clock/Serial Wire Clock Input VDDIO No pull-up resistor TDI Test Data In Input No pull-up resistor TDO/TRACESWO Test Data Out/Trace Asynchronous Data Out Output TMS/SWDIO Test Mode Select/Serial Wire Input/Output Input No pull-up resistor JTAGSEL JTAG Selection Input High VDDBU Internal permanent pull-down |
Similar Part No. - ATSAM3U_10 |
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Similar Description - ATSAM3U_10 |
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