AT90LS2333 ATMEL Corporation, AT90LS2333 Datasheet - Page 3

• Manufacturer Part Number: AT90LS2333
• Description: 8-bit Microcontroller with 2K/4K bytes In-System Programmable Flash
• Manufacturer: ATMEL Corporation

Block Diagram
Figure 1. The AT90S2333/4433 Block Diagram
AGND
AVCC
AREF
GND
VCC
PROGRAMMING
INSTRUCTION
INSTRUCTION
PROGRAM
PROGRAM
REGISTER
COUNTER
CONTROL
DECODER
FLASH
LOGIC
LINES
DATA REGISTER
ANALOG MUX
PORTB
PORTB DRIVERS
PB0 - PB5
REGISTERS
REGISTER
GENERAL
PURPOSE
POINTER
STATUS
STACK
SRAM
DATA REGISTER
ALU
SPI
X
Y
Z
REG. PORTB
DATA DIR.
PORTC
ADC
PORTC DRIVERS
AT90S/LS2333 and AT90S/LS4433
PC0 - PC5
REG. PORTC
DATA DIR.
DATA REGISTER
MCU CONTROL
OSCILLATOR
WATCHDOG
COUNTERS
INTERRUPT
REGISTER
INTERNAL
EEPROM
TIMER/
PORTD
TIMER
UART
UNIT
PORTD DRIVERS
OSCILLATOR
TIMING AND
CONTROL
XTAL1
XTAL2
RESET
3