at91cap7e ATMEL Corporation, at91cap7e Datasheet - Page 4

• Manufacturer Part Number: at91cap7e
• Description: Customizable Microcontroller
• Manufacturer: ATMEL Corporation

3. Signal Description
Table 3-1.
4
Signal Name
VDDCORE
VDDBU
VDDIO
VDDPLLA
VDDPLLB
VDDOSC
VDDOSC32
AVDD
GND
GNDPLLA
GNDPLLB
GNDOSC
GNDOSC32
GNDBU
AGND
XIN
XOUT
XIN32
XOUT32
PLLRCA
PCK0 - PCK3
AD0
AD1
AD2
AD3
AT91CAP7E
Signal Description by Peripheral
Function
Core Chip Power Supply
Backup I/O Lines Power Supply
I/O Lines Power Supply
PLL A Power Supply
PLL B Power Supply
Oscillator Power Supply
Oscillator Power Supply
ADC Analog Power Supply
Ground
PLL Ground A
PLL Ground B
Main Oscillator Ground
32 kHz Oscillator Ground
Backup Ground
ADC Analog Ground
Main Oscillator Input
Main Oscillator Output
Slow Clock Oscillator Input
Slow Clock Oscillator Output
PLL A Filter
Programmable Clock Output
ADC Input 0
ADC Input 1
ADC Input 2
ADC Input 3
Clocks, Oscillators and PLLs
Analog to Digital Converter
Power Supplies
An. Input
An. Input
An. Input
An. Input
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Output
Output
Output
Power
Power
Power
Power
Power
Power
Power
Power
Type
Input
Input
Input
Analog
Analog
Analog
Analog
Active
Analog
Analog
Analog
Analog
Analog
Level
Clock
Comments
1.08V to 1.32V
1.08V to 1.32V
3.0V to 3.6V
3.0V to 3.6V
1.08V to 1.32V
1.08V to 1.32V
1.08V to 1.32V
3.0V to 3.6V
Connect to an external crystal
or drive with a 1.2V nominal
square wave clock input
Connect to external crystal or
leave unconnected
Must connect to a 32768Hz
crystal or drive with a 1.2V,
32kHz nominal square wave
input
Connect to a 32768Hz crystal
or leave unconnected
Must connect to an
appropriate RC network for
proper PLL operation
access via MPIO82 pin
access via MPIO83 pin
access via MPIO84 pin
access via MPIO85 pin
8549A–CAP–10/08