AT91SAM9261S-CJ ATMEL [ATMEL Corporation], AT91SAM9261S-CJ Datasheet - Page 5

• Manufacturer Part Number: AT91SAM9261S-CJ
• Description: AT91 ARM Thumb-based Microcontrollers
• Manufacturer: ATMEL [ATMEL Corporation]

3. Signal Description
Table 3-1.
6242DS–ATARM–06-Jan-09
Signal Name
VDDIOM
VDDIOP
VDDBU
VDDPLL
VDDOSC
VDDCORE
GND
GNDPLL
GNDOSC
GNDBU
XIN
XOUT
XIN32
XOUT32
PLLRCA
PLLRCB
PCK0 - PCK3
SHDN
WKUP
TCK
RTCK
TDI
TDO
TMS
NTRST
JTAGSEL
NRST
TST
BMS
DRXD
DTXD
Signal Description by Peripheral
Function
EBI 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
Oscillator Ground
Backup Ground
Main Oscillator Input
Main Oscillator Output
Slow Clock Oscillator Input
Slow Clock Oscillator Output
PLL Filter
PLL Filter
Programmable Clock Output
Shutdown Control
Wake-Up Input
Test Clock
Returned Test Clock
Test Data In
Test Data Out
Test Mode Select
Test Reset Signal
JTAG Selection
Microcontroller Reset
Test Mode Select
Boot Mode Select
Debug Receive Data
Debug Transmit Data
Clocks, Oscillators and PLLs
Shutdown, Wakeup Logic
ICE and JTAG
Debug Unit
Reset/Test
Power
Ground
Ground
Ground
Ground
Output
Output
Output
Output
Output
Output
Output
Power
Power
Power
Power
Power
Power
Type
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
I/O
Active Level
Low
Low
Comments
1.65 V to 1.95V and 3.0V to 3.6V
2.7V to 3.6V
1.08V to 1.32V
3.0V to 3.6V
3.0V to 3.6V
1.08V to 1.32V
Do not tie over VDDBU.
Accepts between 0V and VDDBU.
No pull-up resistor.
No pull-up resistor.
No pull-up resistor.
No pull-up resistor.
Pull-up resistor.
Pull-down resistor. Accepts
between 0V and VDDBU.
Pull-up resistor
Pull-down resistor.
AT91SAM9261S
5