ATxmega128A3 Atmel Corporation, ATxmega128A3 Datasheet - Page 5

• Manufacturer Part Number: ATxmega128A3
• Manufacturer: Atmel Corporation

Specifications of ATxmega128A3

• Flash (kbytes): 128 Kbytes
• Pin Count: 64
• Max. Operating Frequency: 32 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 50
• Ext Interrupts: 50
• Usb Speed: No
• Usb Interface: No
• Spi: 10
• Twi (i2c): 2
• Uart: 7
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 16
• Adc Resolution (bits): 12
• Adc Speed (ksps): 2000
• Analog Comparators: 4
• Resistive Touch Screen: No
• Dac Channels: 2
• Dac Resolution (bits): 12
• Temp. Sensor: Yes
• Crypto Engine: AES/DES
• Sram (kbytes): 8
• Eeprom (bytes): 2048
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: Yes
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.6 to 3.6
• Operating Voltage (vcc): 1.6 to 3.6
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 7
• Output Compare Channels: 22
• Input Capture Channels: 22
• Pwm Channels: 22
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

3.1
Figure 3-1.
8068T–AVR–12/10
PB[0..7]/
PA[0..7]
JTAG
Block Diagram
XMEGA A3 Block Diagram
PORT A (8)
PORT B (8)
Tempref
Int. Ref.
AREFA
VCC/10
AREFB
IRCOM
ADCA
ADCB
DACB
ACA
ACB
PORT C (8)
PC[0..7]
Event System
DES
AES
Controller
Controller
Controller
DMA
BUS
XTAL1
XTAL2
PR[0..1]
Flash
NVM Controller
PORT D (8)
DATA BUS
EVENT ROUTING NETWORK
PD[0..7]
CPU
SRAM
DATA BUS
Generation
Oscillator
Circuits/
Clock
Prog/Debug
PORT E (8)
Oscillator
Controller
Controller
Controller
EEPROM
Interrupt
Control
PE[0..7]
Sleep
OCD
Real Time
TOSC1
TOSC2
Counter
To Clock
Generator
JTAG
Watchdog
Watchdog
PDI
Oscillator
Supervision
POR/BOD &
Timer
RESET
Power
USARTF0
TCF0
PORT B
XMEGA A3
PF[0..7]
RESET/
PDI_CLK
VCC
GND
PDI_DATA
5