ATXMEGA128B3-AU ATMEL [ATMEL Corporation], ATXMEGA128B3-AU Datasheet - Page 3
ATXMEGA128B3-AU
Manufacturer Part Number
ATXMEGA128B3-AU
Description
8/16-bit Atmel XMEGA B3 Microcontroller
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.ATXMEGA128B3-AU.pdf
(137 pages)
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2. Pinout/Block Diagram
Figure 2-1.
Note:
8074B–AVR–02/12
PDI / RESET
1. For full details on pinout and alternate pin functions refer to
GND
GND
VCC
VCC
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
PD0
PD1
PDI
Block diagram and pinout
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
USART0
IRCOM
TC0:1
USB
TWI
SPI
Ground
Digital function
Power
Analog function / Oscillators
Event Sys.
Controller
Watchdog
Real Time
OSC/CLK
EEPROM
Counter
Crypto /
Control
Timer
Port G
CRC
Port B
SEG
EVENT ROUTING NETWORK
TEMPREF
Controller
Interrupt
Port M
VREF
”Pinout and Pin Functions” on page
DATA BUS
DATA BUS
Port R
FLASH
CPU
Controller
Watchdog
Oscillator
Sleep
OCD
LCD
Programming, debug, test
External clock / Crystal pins
General Purpose I/O
LCD Controller
Supervision
Controller
Controller
Controller
Prog/Dbg
Interface
SRAM
SRAM
Power
Reset
DMA
BUS
56.
XMEGA B3
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
CAPH
CAPL
VLCD
BIAS2
BIAS1
VCC
GND
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
3
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