atxmega128d4-mh ATMEL Corporation, atxmega128d4-mh Datasheet - Page 6

• Manufacturer Part Number: atxmega128d4-mh
• Description: 8/16-bit Xmega D4 Microcontroller
• Manufacturer: ATMEL Corporation

3.1
Figure 3-1.
8135F–AVR–02/10
A[0..7]
B[0..7]
Block Diagram
XMEGA D4 Block Diagram
PORT A (8)
PORT B (8)
Int. Refs.
Tempref
AREFA
VCC/10
AREFB
IRCOM
ADCA
ACA
Event System
CRC
PORT C (8)
Controller
Controller
PC[0..7]
BUS
XTAL1/
TOSC1
XTAL2/
TOSC2
PORT R (2)
PR[0..1]
Flash
NVM Controller
EVENT ROUTING NETW ORK
DATA BUS
CPU
SRAM
PORT D (8)
PD[0..7]
DATA BUS
Generation
Oscillator
Circuits/
Clock
Prog/Debug
Controller
Controller
Controller
Oscillator
EEPROM
Interrupt
Control
Sleep
PORT E (4)
OCD
PE[0..3]
Real Time
Counter
W atchdog
W atchdog
PDI
Oscillator
Supervision
POR/BOD &
Timer
RESET
Power
XMEGA D4
RESET/
PDI_CLK
PDI_DATA
GND
VCC
6