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ATXMEGA256A3B Datasheet(PDF) 3 Page - ATMEL Corporation

Part # ATXMEGA256A3B
Description  8/16-bit XMEGA A3B Microcontroller
PDF  105 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATXMEGA256A3B Datasheet(HTML) 3 Page - ATMEL Corporation

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3
8116H–AVR–08/10
XMEGA A3B
2.
Pinout/Block Diagram
Figure 2-1.
Block diagram and pinout.
Notes:
1. For full details on pinout and pin functions refer to ”Pinout and Pin Functions” on page 50.
2. The large center pad underneath the QFN/MLF package should be soldered to ground on the board to ensure good
mechanical stability.
INDEXCORNER
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
PA3
PA4
PA5
PA6
PA7
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
GND
VCC
PC0
PF2
PF1
PF0
VCC
GND
TOSC1
TOSC2
PE5
PE4
PE3
PE2
PE1
PE0
VCC
GND
PD7
FLASH
RAM
E2PROM
DMA
Interrupt Controlle r
OCD
ADC A
ADC B
DAC B
AC A0
AC A1
AC B0
AC B1
Event System ctrl
Port R
Power
Contro l
Reset
Contro l
Watchdog
OSC/CLK
Contro l
BOD
POR
RTC
EVENTROUTING N
ETWORK
DATA BU S
DATA BU S
VREF
TEMP
Port C
Port D
Port E
Port F
CPU
Bat t Backup



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