AT90S2333 28-Pin 8MHz 2kB Microcontroller Technical Data

Photograph

Features

High-performance, Low-power AVR 8-bit Microcontroller
Advanced RISC Architecture
- - 118 Instructions - Most Single Clock Cycle Execution
- - 32 x 8 General Purpose Working Registers
- - Up to 10 MIPS Throughput at 10MHz
- - Fully Static Operation
Data and Nonvolatile Program Memory
- - 2k Bytes of In-System Self-Programmable Flash
- - 256 Bytes of In-System Programmable EEPROM
- - 128 Bytes Internal SRAM
Peripheral Features
- - Programmable Watchdog Timer with Separate On-chip Oscillator
- - SPI Serial Interface for In-System Programming
- - One 8-bit Timer/Counter with Separate Prescalar
- - Expanded 16-bit Timer/Counter System with Separate Prescalar, Compare and 8,9, or 10-bit PWM
- - On-chip Analog Comparator
- - Programmable UART
- - Master/Slave SPI Serial Interface
- - 6-channel, 10-bit ADC
Special Microcontroller Features
- - Low-Power Idle, Power-Save and Power-Down Modes
- - External and Internal Interrupt Sources
- - Selectable On-chip RC Oscillator for Zero External Components
I/O and Packages
- - 20 Programmable I/O Lines
- - 28 pin PDIP
Power Consumption at 4 Mhz, 3V, 35 °C
- - Active: 3.4mA
- - Idle Mode: 1.4mA
- - Power-down Mode: < 1µA

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

Application Notes