at91sam9263 ATMEL Corporation, at91sam9263 Datasheet - Page 5

• Manufacturer Part Number: at91sam9263
• Description: At91 Arm Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

3. Signal Description
Table 3-1.
6249D–ATARM–20-Dec-07
Signal Name
VDDIOM0
VDDIOM1
VDDIOP0
VDDIOP1
VDDBU
VDDPLL
VDDOSC
VDDCORE
GND
GNDPLL
GNDBU
XIN
XOUT
XIN32
XOUT32
PLLRCA
PLLRCB
PCK0 - PCK3
SHDN
WKUP
NTRST
TCK
TDI
TDO
TMS
JTAGSEL
RTCK
Signal Description List
Table 3-1
Function
EBI0 I/O Lines Power Supply
EBI1 I/O Lines Power Supply
Peripherals I/O Lines Power Supply
Peripherals I/O Lines Power Supply
Backup I/O Lines Power Supply
PLL Power Supply
Oscillator Power Supply
Core Chip Power Supply
Ground
PLL Ground
Backup Ground
Main Oscillator Input
Main Oscillator Output
Slow Clock Oscillator Input
Slow Clock Oscillator Output
PLL A Filter
PLL B Filter
Programmable Clock Output
Shutdown Control
Wake-up Input
Test Reset Signal
Test Clock
Test Data In
Test Data Out
Test Mode Select
JTAG Selection
Return Test Clock
gives details on the signal name classified by peripheral.
Clocks, Oscillators and PLLs
Shutdown, Wakeup Logic
Power Supplies
ICE and JTAG
Ground
Ground
Ground
AT91SAM9263 Preliminary
Output
Output
Output
Output
Output
Output
Power
Power
Power
Power
Power
Power
Power
Power
Type
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Active
Level
Low
Comments
1.65V to 3.6V
1.65V to 3.6V
2.7V to 3.6V
1.65V to 3.6V
1.08V to 1.32V
3.0V to 3.6V
3.0V to 3.6V
1.08V to 1.32V
Driven at 0V only. Do not tie
over VDDBU.
Accepts between 0V and
VDDBU.
Pull-up resistor
No pull-up resistor
No pull-up resistor
No pull-up resistor
Pull-down resistor. Accepts
between 0V and VDDBU.
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