AT90S4433-8AC

Description

The AT90S2333/4433 is a low-power CMOS 8-bit microcontroller based on the AVR RISC architecture. By executing powerful instructions in a single clock cycle, the AT90S2333/4433 achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed.

Features

• High-performance and Low-power AVR® 8-bit RISC Architecture
– 118 Powerful Instructions - Most Single Cycle Execution
– 32 x 8 General Purpose Working Registers
– Up to 8 MIPS Throughput at 8 MHz
• Data and Nonvolatile Program Memory
– 2K/4K Bytes of In-System Programmable Flash Endurance 1,000 Write/Erase Cycles
– 128 Bytes of SRAM
– 128/256 Bytes of In-System Programmable EEPROM Endurance: 100,000 Write/Erase Cycles
– Programming Lock for Flash Program and EEPROM Data Security
• Peripheral Features
– One 8-bit Timer/Counter with Separate Prescaler
– Expanded 16-bit Timer/Counter with Separate Prescaler, Compare, Capture Modes and 8-, 9- or 10-bit PWM
– On-chip Analog Comparator
– Programmable Watchdog Timer with Separate On-chip Oscillator
– Programmable UART
– 6-channel, 10-bit ADC
– Master/Slave SPI Serial Interface
• Special Microcontroller Features
– Brown-Out Reset Circuit
– Enhanced Power-on Reset Circuit
– Low-Power Idle and Power Down Modes
– External and Internal Interrupt Sources
• Specifications
– Low-power, High-speed CMOS Process Technology
– Fully Static Operation
• Power Consumption at 4 MHz, 3V, 25°C
– Active: 3.4 mA
– Idle Mode: 1.4 mA
– Power Down Mode: <1 µA
• I/O and Packages
– 20 Programmable I/O Lines
– 28-pin PDIP and 32-pin TQFP
• Operating Voltage
– 2.7V - 6.0V (AT90LS2333 and AT90LS4433)
– 4.0V - 6.0V (AT90S2333 and AT90S4433)
• Speed Grades
– 0 - 4 MHz (AT90LS2333 and AT90LS4433)
– 0 - 8 MHz (AT90S2333 and AT90S4433)