AT90LS2333-4AI Atmel, AT90LS2333-4AI Datasheet - Page 3

• Manufacturer Part Number: AT90LS2333-4AI
• Description: IC MCU 2K 4MHZ A/D LV IT 32TQFP
• Manufacturer: Atmel
• Series: AVR® 90LSr

Specifications of AT90LS2333-4AI

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 4MHz
• Connectivity: SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 20
• Program Memory Size: 2KB (1K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 6 V
• Data Converters: A/D 6x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-TQFP, 32-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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