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AT91SAM7S256 Datasheet(PDF) 6 Page - ATMEL Corporation |
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AT91SAM7S256 Datasheet(HTML) 6 Page - ATMEL Corporation |
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6 / 42 page  6 6175BS–ATARM–04-Nov-05 AT91SAM7S Series Summary 4. Signal Description Table 4-1. Signal Description List Signal Name Function Type Active Level Comments Power VDDIN Voltage and ADC Regulator Power Supply Input Power 3.0 to 3.6V VDDOUT Voltage Regulator Output Power 1.85V nominal VDDFLASH Flash Power Supply Power 3.0V to 3.6V VDDIO I/O Lines Power Supply Power 3.0V to 3.6V or 1.65V to 1.95V VDDCORE Core Power Supply Power 1.65V to 1.95V VDDPLL PLL Power 1.65V to 1.95V GND Ground Ground Clocks, Oscillators and PLLs XIN Main Oscillator Input Input XOUT Main Oscillator Output Output PLLRC PLL Filter Input PCK0 - PCK2 Programmable Clock Output Output ICE and JTAG 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 Flash Memory ERASE Flash and NVM Configuration Bits Erase Command Input High Pull-down resistor Reset/Test NRST Microcontroller Reset I/O Low Open-drain with pull-Up resistor TST Test Mode Select Input High Pull-down resistor Debug Unit DRXD Debug Receive Data Input DTXD Debug Transmit Data Output AIC IRQ0 - IRQ1 External Interrupt Inputs Input IRQ1 not present on AT91SAM7S32 FIQ Fast Interrupt Input Input PIO PA0 - PA31 Parallel IO Controller A I/O Pulled-up input at reset PA0 - PA20 only on AT91SAM7S32 |
Similar Part No. - AT91SAM7S256 |
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Similar Description - AT91SAM7S256 |
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