ATXMEGA384C3_14 Datasheet, PDF (5/125 Pages) ATMEL Corporation – 8/16-bit Atmel XMEGA C3 Microcontroller

3.1 Block Diagram
Figure 3-1. XMEGA C3 Block Diagram
Power
Ground
Digital function
Analog function /Oscillators
Programming, debug,
External clock /Crystal pins
General Purpose I /O
PA[0..7]
PB[0..7]
ACA
PORT A (8)
ADCA
AREFA
VCC/10
Int. Refs.
Tempref
AREFB
PORT B (8)
PR[0..1]
XTAL1
XTAL2
PORT R (2)
Event System
Controller
DMA
Controller
Real Time
Counter
DATA BUS
SRAM
BUS Matrix
AES
CRC
CPU
NVM Controller
Flash
Oscillator
Circuits/
Clock
Generation
Oscillator
Control
Sleep
Controller
Prog/Debug
Controller
OCD
Interrupt
Controller
EEPROM
DATA BUS
EVENT ROUTING NETWORK
Watchdog
Oscillator
Watchdog
Timer
Power
Supervision
POR/BOD &
RESET
PDI
TCF0
PORT C (8)
PC[0..7]
PORT D (8)
PD[0..7]
PORT E (8)
To Clock
Generator
TOSC1
TOSC2
PE[0..7]
VCC
GND
RESET/
PDI_CLK
PDI_DATA
PF[0..7]
XMEGA C3 [DATASHEET]
5
Atmel-8361F-AVR-ATxmega384C3-Datasheet–11/2014