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AT91SAM9261 Datasheet(PDF) 5 Page - ATMEL Corporation |
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AT91SAM9261 Datasheet(HTML) 5 Page - ATMEL Corporation |
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5 / 44 page  5 6062LS–ATARM–23-Mar-09 AT91SAM9261 Preliminary 3. Signal Description Table 3-1. Signal Description by Peripheral Signal Name Function Type Active Level Comments Power VDDIOM EBI I/O Lines Power Supply Power 1.65 V to 1.95V and 3.0V to 3.6V VDDIOP Peripherals I/O Lines Power Supply Power 2.7V to 3.6V VDDBU Backup I/O Lines Power Supply Power 1.08V to 1.32V VDDPLL PLL Power Supply Power 3.0V to 3.6V VDDOSC Oscillator Power Supply Power 3.0V to 3.6V VDDCORE Core Chip Power Supply Power 1.08V to 1.32V GND Ground Ground GNDPLL PLL Ground Ground GNDOSC Oscillator Ground Ground GNDBU Backup 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 PLLRCA PLL Filter Input PLLRCB PLL Filter Input PCK0 - PCK3 Programmable Clock Output Output Shutdown, Wakeup Logic SHDN Shutdown Control Output Do not tie over VDDBU. WKUP Wake-Up Input Input Accepts between 0V and VDDBU. ICE and JTAG TCK Test Clock Input No pull-up resistor. RTCK Returned Test Clock Output 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. NTRST Test Reset Signal Input Low Pull-up resistor. JTAGSEL JTAG Selection Input Pull-down resistor. Accepts between 0V and VDDBU. ETM ™ TSYNC Trace Synchronization Signal Output TCLK Trace Clock Output TPS0 - TPS2 Trace ARM Pipeline Status Output TPK0 - TPK15 Trace Packet Port Output |
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