AT91SAM9R64(2008) Просмотр технического описания (PDF) - Atmel Corporation
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AT91SAM9R64 Datasheet PDF : 911 Pages
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AT91SAM9R64/RL64 Preliminary
3. Signal Description
Table 3-1 gives details on the signal name classified by peripheral.
Table 3-1. Signal Description List
Signal Name
Function
Active
Type 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. Do not tie over VDDBU
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
7
6289A–ATARM–15-Jan-08
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