Datasheet

7
6289CS–ATARM–28-May-09
AT91SAM9R64/RL64
3. Signal Description
Table 3-1 gives details on the signal name classified by peripheral.
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 3.6V
VDDIOP Peripherals I/O Lines Power Supply Power 3.0V to 3.6V
VDDUTMII USB UTMI+ Interface Power Supply Power 3.0V to 3.6V
VDDUTMIC USB UTMI+ Core Power Supply Power 1.08V to 1.32V
GNDUTMI USB UTMI Ground Ground
VDDBU Backup I/O Lines Power Supply Power 1.08V to 1.32V
GNDBU Backup Ground Ground
VDDPLLA PLL Power Supply Power 3.0V to 3.6V
GNDPLLA PLL Ground Ground
VDDPLLB UTMI PLL and OSC 12M Power Supply Power 1.08 V to 1.32V
GNDPLLB UTMI PLL and OSC 12M Ground Ground
VDDANA ADC Analog Power Supply Power 3.0V to 3.6V
GNDANA ADC Analog Ground Ground
VDDCORE Core Chip Power Supply Power 1.08V to 1.32V
GNDCORE Ground Ground
GND 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
VBG Bias Voltage Reference Analog
PLLRCA PLL A Filter Input
PCK0 - PCK1 Programmable Clock Output Output
Shutdown, Wakeup Logic
SHDN Shutdown Control Output
Driven at 0V only.
0: The device is in backup mode.
1: The device is running (not in backup mode.)
WKUP Wake-Up Input Input Accept between 0V and VDDBU
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