Atmel AVR AT90S2313 User Manual

1
Features
• Utilizes the AVR
®
RISC Architecture
• AVR – High-performance and Low-power RISC Architecture
– 118 Powerful Instructions – Most Single Clock Cycle Execution
– 32 x 8 General-purpose Working Registers
– Up to 10 MIPS Throughput at 10 MHz
• Data and Nonvolatile Program Memory
– 2K Bytes of In-System Programmable Flash
Endurance 1,000 Write/Erase Cycles
– 128 Bytes of SRAM
– 128 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
– One 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 On-chip Oscillator
– SPI Serial Interface for In-System Programming
– Full Duplex UART
• • Special Microcontroller Features
– 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: 2.8 mA
– Idle Mode: 0.8 mA
– Power-down Mode: <1 µA
• I/O and Packages
– 15 Programmable I/O Lines
– 20-pin PDIP and SOIC
• Operating Voltages
– 2.7 - 6.0V (AT90S2313-4)
– 4.0 - 6.0V (AT90S2313-10)
• Speed Grades
– 0 - 4 MHz (AT90S2313-4)
– 0 - 10 MHz (AT90S2313-10)
Rev. 0839G–08/01
8-bit
Microcontroller
with 2K Bytes
of In-System
Programmable
Flash
AT90S2313
Pin Configuration
PDIP/SOIC

Atmel AVR AT90S2313 Specifications

General

Architecture	AVR
CPU	8-bit
Manufacturer	Atmel
Model	AT90S2313
Flash Memory	2 KB
SRAM	128 Bytes
EEPROM	128 Bytes
Clock Speed	Up to 10 MHz
I/O Pins	15
Timer	1 x 8-bit, 1 x 16-bit
Operating Temperature Range	-40°C to +85°C
Data Bus Width	8-bit
Communication Interfaces	USART
Package	SOIC
Series	AVR AT90S

Summary

Features

Pin Configuration

Pin Descriptions

Explains the function of each pin on the microcontroller.

Crystal Oscillator

Architectural Overview

Program and Data Addressing Modes

Explains how the MCU accesses memory.

Memory Access and Instruction Execution Timing

I/O Memory

Reset and Interrupt Handling

Describes reset sources and interrupt vectors.

Watchdog Timer

Details the Watchdog Timer functionality and control.

EEPROM Read/Write Access

UART

Data Transmission

Data Reception

Analog Comparator

I/O Ports

Memory Programming

Programming the Flash and EEPROM

Procedures for writing Flash and EEPROM.

Parallel Programming

Details the parallel programming interface and commands.

Serial Downloading

Explains serial programming via SPI.