xmega a3u - Elfa
xmega a3u - Elfa
xmega a3u - Elfa
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XMEGA A3U<br />
2. Pinout/Block Diagram<br />
Figure 2-1.<br />
Block diagram and pinout.<br />
Power<br />
Programming, debug, test<br />
Ground<br />
External clock / Crystal pins<br />
Digital function<br />
General Purpose I /O<br />
Analog function / Oscillators<br />
64<br />
PA2<br />
PA1<br />
PA0<br />
AVCC<br />
GND<br />
PR1<br />
PR0<br />
RESET/PDI<br />
PDI<br />
63<br />
PF7<br />
PF6<br />
VCC<br />
GND<br />
PF5<br />
PF4<br />
62<br />
61<br />
60<br />
59<br />
58<br />
57<br />
56<br />
55<br />
54<br />
53<br />
52<br />
51<br />
50<br />
49<br />
PF3<br />
Port R<br />
PA3<br />
1<br />
XOSC<br />
48<br />
PF2<br />
PA4<br />
2<br />
DATA BUS<br />
47<br />
PF1<br />
PA5<br />
PA6<br />
PA7<br />
PB0<br />
3<br />
4<br />
5<br />
6<br />
Port A<br />
AREF<br />
ADC<br />
AC0:1<br />
OSC/CLK<br />
Control<br />
Sleep<br />
Controller<br />
Event System<br />
Controller<br />
Internal<br />
oscillators<br />
Real Time<br />
Counter<br />
Crypto /<br />
CRC<br />
Watchdog<br />
oscillator<br />
Watchdog<br />
Timer<br />
OCD<br />
Power<br />
Supervision<br />
Reset<br />
Controller<br />
Prog/Debug<br />
Interface<br />
46<br />
45<br />
44<br />
43<br />
PF0<br />
VCC<br />
GND<br />
PE7<br />
PB1<br />
PB2<br />
PB3<br />
PB4<br />
7<br />
8<br />
9<br />
10<br />
Port B<br />
AREF<br />
ADC<br />
DAC<br />
AC0:1<br />
Interrupt<br />
Controller<br />
Internal<br />
references<br />
CPU<br />
DMA<br />
Controller<br />
BUS<br />
matrix<br />
42<br />
41<br />
40<br />
39<br />
PE6<br />
PE5<br />
PE4<br />
PE3<br />
PB5<br />
11<br />
JTAG<br />
FLASH<br />
EEPROM<br />
SRAM<br />
38<br />
PE2<br />
PB6<br />
12<br />
DATA BUS<br />
37<br />
PE1<br />
PB7<br />
13<br />
EVENT ROUTING NETWORK<br />
36<br />
PE0<br />
GND<br />
VCC<br />
PC0<br />
14<br />
15<br />
16<br />
IRCOM<br />
TC0:1<br />
USART0:1<br />
SPI<br />
TWI<br />
TC0:1<br />
USART0:1<br />
SPI<br />
USB<br />
TC0:1<br />
USART0:1<br />
SPI<br />
35<br />
34<br />
33<br />
VCC<br />
GND<br />
PD7<br />
PC1<br />
PC2<br />
PC3<br />
PC4<br />
PC5<br />
PC6<br />
PC7<br />
GND<br />
VCC<br />
PD0<br />
PD1<br />
PD2<br />
PD3<br />
PD4<br />
PD5<br />
PD6<br />
17<br />
18<br />
19<br />
20<br />
21<br />
22<br />
23<br />
24<br />
25<br />
26<br />
27<br />
28<br />
29<br />
30<br />
31<br />
32<br />
TWI<br />
TOSC<br />
TC0:1<br />
USART0<br />
Port C<br />
Port D<br />
Port E<br />
Port F<br />
Note: 1. For full details on pinout and alternate pin functions refer to ”Pinout and Pin Functions” on page 57.<br />
3<br />
8386B–AVR–12/11
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