Datasheet
4
SAM9260 [SUMMARY]
6221LS–ATARM–15-Oct-12
3. Signal Description
Table 3-1. Signal Description List
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 to3.6V
VDDIOP0 Peripherals I/O Lines Power Supply Power 3.0V to 3.6V
VDDIOP1 Peripherals I/O Lines Power Supply Power 1.65V to 3.6V
VDDBU Backup I/O Lines Power Supply Power 1.65V to 1.95V
VDDANA Analog Power Supply Power 3.0V to 3.6V
VDDPLL PLL Power Supply Power 1.65V to 1.95V
VDDCORE Core Chip Power Supply Power 1.65V to 1.95V
GND Ground Ground
GNDPLL PLL and Oscillator Ground Ground
GNDANA Analog 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
OSCSEL Slow Clock Oscillator Selection Input
Accepts between 0V and
VDDBU.
PLLRCA PLL A Filter Input
PCK0 - PCK1 Programmable Clock Output Output
Shutdown, Wakeup Logic
SHDN Shutdown Control Output
Driven at 0V only. Do not tie over
VDDBU.
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