Datasheet

3
XMEGA A1U [DATASHEET]
Atmel-8385H-AVR-ATxmega64A1U-128A1U-Datasheet–AVR–04/2014
2. Pinout/Block Diagram
Figure 2-1. Block diagram and pinout.
For details on pinout and pin functions refer to “Pinout and Pin Functions” on page 56.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
AVCC GND
GND
AVCC
GND
VCC
GND
VCC
GND
VCC
VCC
GND
VCC
GND
VCC
GND
GND
VCC
PA0 PA1 PA2 PA3
PB0
PB1
PB3
PB2
PB7
PB5
PB4
PB6
PA4 PA5
PA7
PA6
PDI/
RESET
PDI PR0 PR1 GND VCC PQ0 PQ1 PQ2 PQ3
PJ7
PJ6
PJ5
PJ4
PJ3
PJ2
PJ1
PJ0
PK7 PK6 PK5 PK4 PK3 PK2 PK1
PK0
PH7
PH6
PH5
PH3
PH2
PH1
PH0
PH4
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
PD0
PD1 PD2 PD3 PD4 PD5 PD6 PD7
PE0 PE1 PE2 PE3 PE4 PE5 PE6 PE7
PF0 PF1 PF2 PF3 PF4 PF5
PF7
PF6
100
99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76
Power
Supervision
Port A
EVENT ROUTING NETWORK
DMA
Controller
BUS
matrix
SRAMFLASH
ADC
AC0:1
OCD
Port EPort D
Prog/Debug
Interface
EEPROM
Port C
TC0:1
Event System
Controller
Watchdog
Timer
Watchdog
Oscillator
OSC/CLK
Control
Real Time
Counter
Interrupt
Controller
DATA BUS
DATA BUS
Port R
USART0:1
TWI
SPI
TC0:1
USART0:1
SPI
TC0:1
USART0:1
TWI
SPI
Port B
ADC
DAC
AC0:1
AREF
JTAG
AREF
Sleep
Controller
Reset
Controller
Internal
Reference
IRCOM
Crypto /
CRC
USB
DAC
TWI
Port F
TC0:1
USART0:1
TWI
SPI
External Bus Interface
Port KPort JPort H
Port Q
CPU
XOSC TOSC
Internal
Oscillators
Digital function
Analog function / Oscillators
Programming, debug, test
External clock / Crystal pins
General Purpose I/O
Ground
EBI
Power