ATXMEGA128B3-AU ATMEL [ATMEL Corporation], ATXMEGA128B3-AU Datasheet - Page 6

• Manufacturer Part Number: ATXMEGA128B3-AU
• Description: 8/16-bit Atmel XMEGA B3 Microcontroller
• Manufacturer: ATMEL [ATMEL Corporation]

3.1
Figure 3-1.
8074B–AVR–02/12
PB[0..7] /
JTAG
Block Diagram
XMEGA B3 Block Diagram
PORT B (8)
Int. Refs.
Tempref
VCC/10
AREFB
ADCB
ACB
EVENT ROUTING NETWORK
Event System
CRC
AES
DES
Controller
Controller
DMA
PORT C (8)
PC[0..7]
BUS Matrix
XTAL1 /
TOSC1
XTAL2 /
TOSC2
PORT R (2)
Flash
PR[0..1]
NVM Controller
DATA BUS
DATA BUS
CPU
SRAM
EVENT ROUTING NETWORK
Generation
Oscillator
Circuits/
PORT D (2)
Clock
PD[0..1]
Prog/Debug
Controller
Controller
Controller
Oscillator
EEPROM
Interrupt
Control
Sleep
OCD
Ground
Digital function
Power
Analog function / Oscillators
Real Time
Counter
JTAG
PDI
Supervision
POR/BOD &
Watchdog
Watchdog
Oscillator
RESET
Power
Timer
PORT M (8)
PORT G (8)
LCD
Programming, debug, test
External clock / Crystal pins
General Purpose I/O
LCD
PORT B
XMEGA B3
LCD POWER[0..4]
COM[0..3]
SEG[0..8]
SEG[16..9] /
PM[0..7]
SEG[24..17] /
PG[0..7]
RESET /
PDI_CLK
PDI_DATA
GND
VCC
6