ATXMEGA128A4_09 Datasheet, PDF (3/104 Pages) ATMEL Corporation – 8/16-bit XMEGA A4 Microcontroller

2. Pinout/Block Diagram
Figure 2-1. Bock Diagram and TQFP/QFN pinout
XMEGA A4
INDEX CORNER
PA5
1
PA6
2
PA7
3
PB0
4
PB1
5
PB2
6
PB3
7
GND
8
VCC
9
PC0
10
PC1
11
ADC A
AC A0
AC A1
DAC B
Port R
DATA BU S
OSC/CLK
Control
BOD
VREF
POR
Power
Control
Reset
Control
TEMP
RTC
OCD
FLASH
CPU
RAM
DMA
E²PROM
Watchdog
Interrupt Controller
Event System ctrl
DATA BU S
EVENT ROUTING NETWORK
Port C
Port D
Port E
33
PE3
32
PE2
31
VCC
30
GND
29
PE1
28
PE0
27
PD7
26
PD6
25
PD5
24
PD4
23
PD3
Note: For full details on pinout and pin functions refer to ”Pinout and Pin Functions” on page 49.
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8069L–AVR–11/09