Datasheet

5
XMEGA B [DATASHEET]
8291B–AVR–01/2013
Table 2-1. XMEGA B feature summary overview.
Feature Details / sub-family B1 B3
Pins, I/O
Total 100 64
Programmable I/O pins 53 36
Memory
Program memory (KB) 64 - 128 64 - 128
Boot memory (KB) 4 - 8 4 - 8
SRAM (KB) 4 - 8 4 - 8
EEPROM 2 2 - 4
General purpose registers 16 16
Package
TQFP 100A 64A
QFN /VQFN – 64M2
BGA 100C1/100C2 –
QTouch Sense channels 56 56
DMA Controller Channels 2 2
Event System
Channels 4 4
QDEC 1 1
Crystal Oscillator
0.4 - 16MHz XOSC Yes Yes
32.768 kHz TOSC Yes Yes
Internal Oscillator
2MHz calibrated Yes Yes
32MHz calibrated Yes Yes
128MHz PLL Yes Yes
32.768kHz calibrated Yes Yes
32kHz ULP Yes Yes
Timer / Counter
TC0 - 16-bit, 4 CC 2 1
TC1 - 16-bit, 2 CC 1 1
TC2 - 2x 8-bit 2 1
Hi-Res 1 1
AWeX 1 1
RTC 1 1
RTC32
Serial Communication
USB full-speed device 1 1
USART 2 1
SPI 1 1
TWI 1 1