Datasheet

3
XMEGA B3 [DATASHEET]
8074D–AVR–08/2013
2. Pinout/Block Diagram
2.1 Pinout – TQFP/QFN
Figure 2-1. Block diagram and TQFP/QFN pinout
Note: 1. For full details on pinout and alternate pin functions refer to “Pinout and Pin Functions” on page 54.
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
2
3
4
5
6
7
8
1
9
VCC
GND
10
PD0
PD1 12
11
PDI / RESET
PDI
13
14
VCC
GND 15
16
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
SEG0
41
40
39
38
37
36
35
34
33
BIAS2
BIAS1
VLCD
CAPL
CAPH48
47
46
45
44
VCC
GND
43
42
54 53 PR0
PR1
64
PB0 PB1 PB2 PB3 PB6 PB7
PB4 PB5
63 62 60 60 59 58 57 52 51 50 49
COM3 COM2 COM0
COM1
56
AVCC AGND55
25 26 27 28 29 30 31 32
PM0 / SEG16 PM1 / SEG15 PM2 / SEG14 PM3 / SEG13 PM4 / SEG12 PM5 / SEG11 PM6 / SEG10
PM7 / SEG9
17 18 19 20 21 22 23 24
PG0 / SEG24 PG1 / SEG23 PG2 / SEG22 PG3 / SEG21 PG4 / SEG20 PG5 / SEG19 PG6 / SEG18 PG7 / SEG17
Power
Supervision
EVENT ROUTING NETWORK
DMA
Controller
BUS
Controller
SRAMFLASH
OCD
Prog/Dbg
Interface
EEPROM
Event Sys.
Controller
Watchdog
Timer
Watchdog
Oscillator
OSC/CLK
Control
Real Time
Counter
Interrupt
Controller
DATA BUS
DATA BUS
Sleep
Controller
Reset
Controller
TEMPREF
VREF
Port R
Crypto /
CRC
CPU
Port B
ADC
AC0:1
AREF
JTAG
Port D Port C
TC0:1
USART0
TWI
SPI
IRCOM
USB
SRAM
LCD PWR
COMSEG
Port MPort G
SEG LCD Controller
Digital function
Analog function / Oscillators
Programming, debug, test
External clock / Crystal pins
General Purpose I/O
Ground
LCDPower