AT90S4433 - AT90S4433 28-Pin 8MHz 4kb 8-bit Microcontroller Technical Data

Photograph

Features

Utilizes the AVR RISC Architecture
High-performance and Low-power 8-bit RISC Architecture
- - 118 Instructions - Most Single Clock Cycle Execution
- - 32 x 8 General-purpose Working Registers + Peripheral Control Registers
- - Fully Static Operation
- - Up to 10 MIPS Throughput at 10MHz
Data and Nonvolatile Program Memory
- - Programmable Lock for Flash Program and EEPROM Data Security
- - 4K Byte of Flash Program Memory In-System Programmable
- - 256 Bytes of In-System Programmable EEPROM Data Memory
- - 128 Bytes Internal SRAM
Peripheral Features
- - One 8-bit Timer/Counter with Separate Prescalar
- - Expanded 16-bit Timer/Counter with Separate Prescalar, Compare, Capture Modes with 8,9 or 10-bit PWM
- - Master/Slave SPI Serial Interface
- - Programmable Watchdog Timer with Separate On-Chip Oscillator
- - On-chip Analog Comparator
- - Programmable UART
- - 6 Channel, 10-bit Analog to Digital Converter
Special Microcontroller Features
- - Brown-out Reset Circuit
- - Enhanced Power-on Reset Circuit
- - Low-Power Idle, Power-Save and Power-Down Modes
Power Consumption at 4MHz, 3V 25°C
- - Active: 3.4mA
- - Idle Mode: 1.4mA
- - Power-down Mode: <1µA
28-Pin DIP Package, 20 Programmable I/O Lines
Operating Voltage: 4.0 to 5.5V

Pin Layout

Pin Description

Pin Number	Description
1	RESET - Reset (Active Low)
2 - 6	PD0 - PD4 - Port D
7	Vcc - Positive Power Supply
8	GND - Ground
9	XTAL1 - Crystal
10	XTAL2 - Crystal
11 - 13	PD5 - PD7 - Port D
14 - 19	PB0 - PB5 - Port B
20	AVCC - Analog Positive Power Supply
21	AREF - Analog Reference
22	AGND - Analog Ground
23 - 28	PC0 - PC5 - Port C

Dimensional Drawing

Technical Data

Datasheet

Atmel - Datasheet for AT90S4433

Application Notes