Atmel AVR AT90CAN64 User Manual

4
7679H–CAN–08/08
AT90CAN32/64/128
1.4 Block Diagram
Figure 1-1. Block Diagram
PROGRAM
COUNTER
STACK
POINTER
PROGRAM
FLASH
MCU CONTROL
REGISTER
SRAM
GENERAL
PURPOSE
REGISTERS
INSTRUCTION
REGISTER
TIMER/
COUNTERS
INSTRUCTION
DECODER
DATA DIR.
REG. PORTB
DATA DIR.
REG. PORTE
DATA DIR.
REG. PORTA
DATA DIR.
REG. PORTD
DATA REGISTER
PORTB
DATA REGISTER
PORTE
DATA REGISTER
PORTA
DATA REGISTER
PORTD
INTERRUPT
UNIT
EEPROM
SPIUSART0
STATUS
REGISTER
Z
Y
X
ALU
PORTB DRIVERS
PORTE DRIVERS
PORTA DRIVERS
PORTF DRIVERS
PORTD DRIVERS
PORTC DRIVERS
PB7 - PB0PE7 - PE0
PA7 - PA0PF7 - PF0
RESET
VCC
AGND
GND
AREF
XTAL1
XTAL2
CONTROL
LINES
+
-
ANALOG
COMPARATOR
PC7 - PC0
INTERNAL
OSCILLATOR
WATCHDOG
TIMER
8-BIT DATA BUS
AVCC
USART1
TIMING AND
CONTROL
OSCILLATOR
OSCILLATOR
CALIB. OSC
DATA DIR.
REG. PORTC
DATA REGISTER
PORTC
ON-CHIP DEBUG
JTAG TAP
PROGRAMMING
LOGIC
BOUNDARY-
SCAN
DATA DIR.
REG. PORTF
DATA REGISTER
PORTF
ADC
POR - BOD
RESET
PD7 - PD0
DATA DIR.
REG. PORTG
DATA REG.
PORTG
PORTG DRIVERS
PG4 - PG0
TWO-WIRE SERIAL
INTERFACE
CAN
CONTROLLER

Atmel AVR AT90CAN64 Specifications

General

Brand	Atmel
Model	AVR AT90CAN64
Category	Microcontrollers
Language	English